{"Bibliographic":{
"Title":"Alaska Fisheries Science Center Quarterly Report : July, August, September , 1992",
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"Publication date":"1992",
"Publisher":"Alaska Fisheries Science Center (U.S.)"
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    "content": "NOAA\nRCE\nDEPAR\nENT O\nNational Marine Fisheries Service U.S. DEPARTMENT OF COMMERCE\nAlaska Fisheries Science Center\nECEIVE\nDEG T 4-1992\nNATIONAL MARINE FISHERIES SER. TIBURON LABORATORY LIBRARY\nQuarterly Report July-August-September 1992\nALASKA FISHERIES SCIENCE CENTER\n7600 Sand Point Way N.E., Bin C15700, Building 4, Seattle, WA 98115-0070\nScience and Research Director: William Aron Deputy Director: James Balsiger\nAUKE BAY LABORATORY (ABL) . Director: George R. Snyder\nNATIONAL MARINE MAMMAL LABORATORY (NMML) ......\n....\nDirector: Howard W. Braham\nOFFICE OF FISHERIES INFORMATION SYSTEMS (OFIS) ............. Director: J. Theodore Rodgers\nRESOURCE ASSESSMENT AND CONSERVATION\nDirector: Gary D. Stauffer ENGINEERING (RACE) DIVISION\nFacilities Director: Robert S. Otto Kodiak Investigations-Research\nRESOURCE ECOLOGY AND FISHERIES\n...... Director: Richard J. Marasco MANAGEMENT (REFM) DIVISION\nThe Quarterly Report is compiled by the AFSC Publications Unit, Susan Calderón (editor). To change your delivery address or to cancel delivery, please notify: Quarterly Report, Alaska Fisheries Science Center, 7600 Sand Point Way N.E., Bin C15700, F/AKC, Seattle, WA 98115-0070, Phone (206) 526-4283.\nPUBLICATION LIMITATION. Publication in whole or in part of the Quarterly Report should indicate the provisional nature of the findings and show credit to the appropriate research division of the AFSC. Advance copy should be submitted to the AFSC.\nReferences to trade names do not imply endorsement by the National Marine Fisheries Service.\n.\nTABLE OF CONTENTS\nFEATURE .. 1\nThe Rockfish Working Group: An Overview\nAUKE BAY\nLABORATORY (ABL) 6\nStudy on Pink Salmon Genetic Damage Initiated ... Field Trip to Glacier Bay, Alaska ... Juvenile Pink Salmon Sampled in Icy Strait ... Canadian Beam Trawl Operation Observed ... Second Field Trip to Cape Krusenstern ... John N.\nCobb Cruises ... Middleton Island Beach Surveys ... Pollock Tagging Study Underway ... Situk River Surveyed for Potential Study ... Reference Collections\nNATIONAL MARINE MAMMAL LABORTORY (NMML) 8 ICES Marine Mammal Committee Meeting ... Alaska Ecosystem Program\nRESOURCE ASSESSMENT AND CONSERVATION ENGINEERING (RACE) DIVISION 9\nBering Sea Groundfish Assessment Subtask ... Gulf of Alaska Groundfish Assessment Subtask ... West Coast Groundfish Assessment Subtask ... Shellfish Assessment Task (Kodiak) ... Recruitment Processes-FOCI ... Fisheries Resource Pathobiology ... Pelagic Resource Assessment Task\nRESOURCE ECOLOGY AND FISHERIES MANAGEMENT (REFM) DIVISION 19\nFood Habits Program ... Age and Growth Studies ... Status of Stocks Task ... King and Tanner Crab Research ... U.S. Fisheries Observer Program ... Socioeconomic Assessments\nITEMS\n22\nTaka Takes Off ... Sueto Murai Retires\nGENERAL ACTIVITIES . 23\nAwards ... Public Service and Cooperative Activities ... Meetings and Presentations\nPUBLICATIONS AND REPORTS BY CENTER AUTHORS 27\nPublications ... Technical Memorandums ... Processed Reports\nFEATURE\nThe Rockfish Working Group An Overview\nManagement of rockfish (Sebastes spp.) stocks in waters off Alaska is hampered by limited informa- tion and considerable uncertainty as to current stock abundance and long-term productivity. With the ex- ception of Pacific ocean perch (S. alutus), relatively little is known about the biology, distribution, and population dynamics of many of the commercially important rockfish species. This lack of information, combined with an uncertainty in biomass estimates for the deeper-water and more commercially valuable species such as shortraker (S. borealis) and rougheye (S. aleutianus) rockfish, prompted the Alaska Fisheries Science Center's (AFSC) Rockfish Working Group (RWG) to develop a comprehensive working plan to improve rockfish stock assessments and management recommendations.\nComposed of fishery scientists from the AFSC's Resource Ecology and Fisheries Management (REFM) Division, Resource Assessment and Conser- vation Engineering (RACE) Division, Auke Bay Labo- ratory (ABL), and the University of Washington (UW), the RWG completed a draft working plan in April 1991 which identifies, develops, and prioritizes specific research activities to improve rockfish stock assess- ments. More specifically, the goal of the working plan is to develop better estimates of acceptable biological catch (ABC), the starting point used by fishery man- agement in setting annual harvest levels. The RWG concluded that better estimates of ABC would be obtained by explicitly acknowledging and evaluating the potential sources of bias and uncertainty in the ABC estimates and by incorporating a better under- standing of the biology, distribution, behavior, and population dynamics of rockfish stocks. The ap- proach adopted by the RWG was to identify and develop sound data collection techniques and analytical methods which would improve the two key components that comprise an estimate of ABC -- ex- ploitable biomass and optimal exploitation rate.\nInitial Observations Aboard Commercial Rockfish Vessels\nThe fishing industry utilizes specialized skills and techniques when harvesting rockfish, especially the deeper-water species such as shortraker and\nrougheye rockfish. Many of the deep-water species are known to inhabit areas of very rough bottom -- areas generally inaccessible by survey trawl gear but readily accessible by many commercial rockfish trawlers. By working closely with industry and utiliz- ing its expertise in fishing rough areas, the RWG is devising several new survey approaches that incor- porate the specialized harvesting skills and gear that characterize a commercial fishing operation.\nAs part of these research efforts, the RWG ar- ranged with industry to place scientists onboard com- mercial rockfish vessels to observe and document their harvesting and processing operations. Scien- tists were placed on two commercial rockfish trawlers during the July 1992 rockfish opening in the central Gulf of Alaska. The scientists collected detailed infor- mation on harvesting strategies employed, areas and depths fished, gear used, vessel operations, and spe- cies composition of the catch (Fig. 1), information that will better assist the RWG in refining its new survey approaches before they are attempted on a large scale. The RWG hopes that involving the industry during the early stages of survey development will set the stage for more ambitious cooperative studies in the future.\nFigure 1. Susanne Finckh of the UW samples rockfish catch aboard a commercial rockfish trawler.\nAFSC Quarterly Report\n1\nHabitat Preference and Rockfish Behavior Studies\nMore than 60 species of rockfish inhabit the North Pacific Ocean and occupy a wide variety of habitats. Determining the habitat preferences of the economi- cally important species is an important research en- deavor of the RWG. If habitat preferences can be determined, and habitat types quantified, sampling stratification will be more accurate and efficient. Crit- ical habitat can then be sampled more intensively, resulting in improved species-specific abundance es- timates.\nThe RWG believes that hydroacoustic techniques may become a useful tool for assessing the abun- dance of rockfish stocks. However, hydroacoustic approaches are only applicable in situations where fish targets are distinguishable from the bottom. Many rockfish species are associated directly with the bottom but may move up in the water column during certain times of the day or night. Therefore, an eval- uation of rockfish behavior, particularly with regard to their on- and off-bottom distribution, is necessary to determine the feasibility of using hydroacoustics as a direct means of estimating rockfish biomass.\nIn May 1992 the RWG initiated a study to 1) de- scribe the habitat, behavior, and spatial distribution of\nshortraker and rougheye rockfish, 2) describe and chart substrates for testing sonar bottom-typing equipment, and 3) evaluate the behavior of Pacific ocean perch relative to the bottom. Since research on rockfish habitat preferences and behavior is best suited to in situ observations, the RWG chartered the two-person submersible (submarine) vessel Delta (Fig. 2) for 10 days during the study. Thirty-three submersible dives were completed in waters off Southeast Alaska to depths of 365 m. All observa- tions were visually and voice recorded by internal and external 8-mm video cameras; visual observations were also recorded by an external 35-mm still camera. The dives produced video footage of varied habitats, substrates, fish fauna, and behavior along the upper continental slope and shelf regions. The processing of this data is ongoing, with a report detailing the preliminary results of this cruise expected by year's end.\nAnalysis of Available Research and Fishery Information\nThe AFSC houses large quantities of data on fish- eries research and commercial fisheries recorded since the early 1960s. This information is perhaps among the best on demersal fisheries in the world.\nDa-ODELTA\nFigure 2. The submersible Delta being launched from the support vessel Jolly Roger.\nJuly-August-September 1992\n2\nIncompatible database programs, data formats, and other computer-related logistics problems have made accessing this information difficult. The RWG is constructing a rockfish database which will facilitate more efficient access and analysis of the data.\nAs a first step in creating the rockfish database, the RWG has focused on obtaining all the available research and fishery information on Pacific ocean perch. Once the RWG is satisfied with the database on Pacific ocean perch, information on the other rockfish species will then be incorporated. To date, the National Marine Fisheries Service (NMFS) re- search trawi survey database, the International North Pacific Fisheries Commission (INPFC) foreign re- ported database, and the U.S. Fisheries Observer Program foreign and domestic databases have been queried and the pertinent information extracted. In- formation extracted includes sampling locations by longitude and latitude, depth sampled, time fished, and gear used; environmental information such as water temperature and salinity; and biological data such as size, sex, age, and maturity.\nAlthough not yet complete, the rockfish database is already being used by REFM and ABL stock assess- ment scientists to produce the stock assessments of Pacific ocean perch in the eastern Bering Sea, Aleu- tian Islands, and Gulf of Alaska. All of the available size, age, catch, and effort information from research surveys and the commercial fishery were extracted, analyzed, and summarized for inclusion in the 1992 stock assessments. This task would have been quite cumbersome without access to the rockfish database. Scientists from the REFM Division are also using the rockfish database to extract, summarize, and document the locations and harvest levels of Pacific ocean perch from the early 1960s to the pres- ent. The database will eventually be interfaced with mapping and statistical software to generate interac- tive screen maps and data summaries based on se- lection criteria such as depth, gear type, season, water temperature, salinity, etc. This new technol- ogy should improve the sampling design and allow for more efficient stratification of future rockfish sur- veys.\nStock Identification Studies\nCoastwide movements of adult rockfish are gen- erally assumed to be minimal; however, lack of con- firmation or evaluation of this assumption contributes to uncertainty in survey results and management recommendations. Moreover, little is known about the discreteness of rockfish stocks in time and space. Separation of fish stocks into discrete entities is rec-\nognized as a prerequisite to rational management of fisheries. Therefore, the RWG has developed a num- ber of research activities to determine the discrete- ness of rockfish stocks and to determine if rockfish populations undertake extensive coastwide move- ments.\nThe RWG has begun identifying and delineating the stock structure of rougheye and shortraker rock- fish. Scientists at the ABL are currently examining 200 samples of these species for the presence of para- sites. The prevalence and intensity of parasites has proven useful as a biological tag for separating stocks of rockfish species. The specimens for the current study were collected from five INPFC areas during the 1991 NMFS Longline Survey of the Gulf of Alaska. Initial autopsies suggest that there is little movement between the areas for either species. It is hoped that some parasites, which are easily identified and quickly sampled, will be found to serve as future stock separation markers. Morphometric measurements from these specimens are also being recorded as a further means of identifying discrete stocks and local aggregations.\nMore refined stock differentiation techniques are hoped for in the future, such as allozyme analysis and mitochondrial DNA analysis. Recently, tissue sam- ples (eyeball, liver, and muscle) were collected for electrophoretic analysis from shortraker and rougheye rockfish taken from the area ranging from the southern coast of Washington to the northern tip of Vancouver Island, British Columbia. These sam- ples were collected by scientists aboard the NOAA ship Miller Freeman during the 1992 West Coast hydroacoustic survey of Pacific whiting (Fig. 3). The samples are currently stored in a special deep-freeze freezer at the AFSC until funds can be allocated for processing and analyzing the samples. Also during this cruise, detailed morphometric measurements and meristic counts were recorded from each speci- men.\nAge and Growth Studies\nKnowledge of the age composition and growth characteristics of a fish population is essential for good resource management. However, accurate age and growth information for many of the econom- ically important rockfish species is lacking. The RWG recently completed developing the ageing criteria and technique for production readings of rougheye rockfish otoliths (ear bones), the bony structures used to age the fish. Based on the resulting ages, growth parameters have been estimated and will be useful in future analytical stock assessments of this\nAFSC Quarterly Report\n3\nresource. The methodology for reading rougheye rockfish otoliths will be extended to shortraker rock- fish. Also, a comparative study of shortspine thornyhead ageing structures is currently under way. This study examines the utility and validity of various ageing structures, such as otoliths, fin-rays, scales and opercles. Finally, the RWG is funding a 1-year research contract with the University of Washington to evaluate the feasibility of radiometrically ageing six rockfish species: Pacific ocean perch, shortspine thornyheads, and rougheye, shortraker, dusky, and northern rockfishes. The longevity of some rockfish species has been estimated to be as much as 140 years, though those estimates have yet to be inde- pendently validated. Results of the radiometric age- ing study should provide such an independent test of the longevity estimates of the key rockfish species.\nHydroacoustics Research\nHydroacoustic techniques show great promise for improving rockfish stock assessments in two funda- mental ways. First, as an efficient means for deter- mining and quantifying bottom relief and substrate type for purposes of habitat identification and stratifi- cation; and secondly, as a noninvasive means for directly estimating rockfish abundance.\nOne problem with trawl surveys in the North Pa- cific Ocean is how to deal with sizeable tracts of untrawlable ground. Currently, these tracts are in- cluded in regionwide estimates of absolute abun- dance even though these areas are not sampled during the survey. This approach may lead to over- estimation or underestimation of abundance, de- pending on habitat preferences and behavior of the various species. At this point, untrawlable areas can- not be excluded from the biomass estimates because it is simply not known how large the areas are; so for now, the bias imposed by untrawlable bottom cannot be corrected. Appropriate hydroacoustic hardware and software that defines bottom roughness would provide a potentially cost-effective, quantitative clas- sification and mapping system of specific rockfish habitats. The size and type of these habitats could then be explicitly incorporated into the biomass cal- culations to produce a more accurate estimate.\nThe RWG is also exploring the utility of hydro- acoustic approaches for directly assessing rockfish abundance. Rockfish are an ideal acoustic target due to their large, closed swimbladder. However, only off-bottom targets can be readily detected with preci- sion. As mentioned before, many rockfish species are known to associate directly with the bottom. An evaluation of rockfish behavior, particularly with re-\ngard to their on- and off-bottom distribution, is neces- sary to determine the feasibility of using hydroacous- tic techniques as a noninvasive means of directly measuring absolute or relative abundance of rockfish stocks.\nThe RWG has submitted a research proposal to the National Undersea Research Program (NURP) for use of a submersible in 1993. The primary goal of this research is to determine the feasibility of using hydroacoustic techniques to assess the abundance and distribution of rockfish populations. Initial efforts will be directed at Pacific ocean perch, although results of this work will be relevant to other rockfish species. The proposed study has four objectives: 1) to conduct submersible surveys to determine the abundance and spatial distribution of Pacific ocean perch, 2) to conduct hydroacoustic surveys concur- rent with the submersible surveys to determine abun- dance and spatial distribution of Pacific ocean perch within the same area, 3) to quantify the behavioral and distributional response of Pacific ocean perch to the submersible, and 4) to compare estimates of Pacific ocean perch abundance and distributional patterns based on the submersible and hydroacoustic sur- veys. Funding should be determined by January 1993.\nAlso, the RWG has provided funding for an acous- tics specialist in the RACE Division to conduct a feasibility study of employing hydroacoustic ap- proaches for rockfish stock assessments and habitat typing. A report of the findings and recommenda- tions will be available to the RWG by the end of 1992.\nNew Analytical Techniques\nFishery assessment models are valuable tools for quantitatively evaluating the condition of exploited stocks and for measuring the impact of various ex- ploitation patterns. These models aid the decision- making process in three major ways. First, a wide range of management alternatives can be readily evaluated. Second, assumptions and data can be tested, and results can be used to identify and prior- itize additional data needs. Third, all assumptions and judgments are exposed for everyone to analyze and question. The RWG realizes that stock assess- ment models have been, and will continue to be, the main avenue for generating estimates of optimal ex- ploitation rates. Continued evaluation and develop- ment of new analytical techniques, such as the stock synthesis (SS) model, are necessary for optimizing the use and interpretation of available data sources.\nRecent stock assessments of Pacific ocean perch in the North Pacific Ocean have relied on the stock\nJuly-August-September 1992\n4\nreduction analysis (SRA) model to provide historical trends in the fish- ery. One limitation with SRA is that the underlying age-structure of the population and other auxiliary in- formation are not directly incorpo- rated into the analysis. The SS model, on the other hand, is a form of catch-at-age analysis that has been designed to incorporate age composition and a diversity of other information into a single computational framework. By ex- plicitly tracking age structure, the SS model allows information on age composition to be used in the estimation process. Stock synthe- sis functions by simulating both the dynamics of the population and the processes by which the popu- lation is observed. This simulation, which incorporates both impreci- sion and bias in the observations, is used to predict expected values for the observa- tions. These expected values are then compared to the actual observations (data) from surveys and the fishery. The SS model is now being used by REFM and ABL stock assessment scientists as the primary assessment tool for evaluating the condition of Pacific ocean perch in the North Pacific Ocean.\nCollection and Analysis of Biological Data\nWith the exception of Pacific ocean perch, rela- tively little is known about the biology of the other commercially important rockfish species. To in- crease our understanding of the basic biology of these other species, especially shortraker and rougheye rockfishes, the RWG has funded a 2-year contract with the University of Washington to collect and analyze biological information on shortraker and rougheye rockfish from the North Pacific. Informa- tion such as seasonal availability, times and seasons of birth, and gonadal somatic index (GSI) information are currently being collected and analyzed.\nFigure 3. Dave Baker and the author (right) take tissue samples, morphometric measurements, and meristic counts aboard the Miller Freeman from shortraker and rougheye rockfish.\nFuture Directions\nThe original RWG working plan drafted in April 1991 identifies additional studies that would contrib- ute significantly to improving rockfish stock assess- ments and management recommendations. Due to funding limitations, many of these research endeav- ors have been postponed, such as studies on rockfish early life history and recruitment processes, examina- tion of the utility of adaptive management ap- proaches, and analyses of rockfish assemblages. A detailed report summarizing the current progress and major accomplishments of the RWG is being drafted and is expected to be completed by the end of Janu- ary 1993. This report will include recommendations for new research activities that were not addressed in the original working plan.\nThis article was written by DANIEL ITO of the REFM Division.\nAFSC Quarterly Report\n5\nDIVISION AND LABORATORY REPORTS\nAUKE BAY LABORATORY (ABL)\nStudy on Pink Salmon Genetic Damage Initiated\nA long-term study to evaluate the effects of oiled substrate on pink salmon egg development and subsequent gamete viability was initiated at Little Port Walter Field Station, using funds from the Exxon Valdez Restoration Pro- gram. The study involves incubat- ing pink salmon eggs in oiled substrate and rearing the emerg- ing fry to maturity. Mature salmon will be spawned to evaluate the effect of substrate oiling on fertility. The study was initiated because genetic damage to the 1989-brood stock of pink salmon in Prince Wil- liam Sound is believed to have caused relatively high egg mortal- ities in 1991. The Alaska Depart- ment of Fish and Game's (ADF&G) comparisons of eggs from oiled and control streams in 1991, in- cluding eggs spawned in the fresh- water zone above the oil-affected intertidal zone, revealed higher mortality rates in oiled streams. The study at Little Port Walter is in cooperation with the ADF&G, which will continue with a field component in 1993. The ABL tests will not be concluded until the cur- rent eggs mature as adults in 1994.\nThe preceding information was provided by RONALD HEINTZ.\nField Trip to Glacier Bay, Alaska\nMembers of the ABL travelled to Glacier Bay, Alaska, to partici- pate in a joint sampling cruise with representatives of the National Park Service and the Juneau Cen- ter for Fisheries and Ocean Sci- ences of the University of Alaska Fairbanks. The cruise was part of a study to determine the effects of the commercial Dungeness crab\nfishery on Dungeness crab popu- lation structure in Glacier Bay. The fishery is scheduled to be closed in the wilderness-designated part of Glacier Bay National Park at the end of the 1992 commercial sea- son for Dungeness crab in South- east Alaska. The September sampling cruise was the second of two sampling cruises this year. Crabs were sampled previously on 6-12 April 1992. The purpose of the September trip was to obtain additional information on the structure of the Dungeness crab populations in the park prior to the fishery closure. Crabs were col- lected with commercial crab pots and by hand along subtidal tran- sects sampled by divers. A total of 3,425 crabs were processed from 250 pot sets and 75 diver transects at five locations in and adjacent to Glacier Bay National Park.\nThe preceding information was provided by CHARLES O'CLAIR.\nJuvenile Pink Salmon Sampled in Icy Strait\nThe Early Ocean Salmon Task tested two types of sampling gear to capture juvenile salmon, partic- ularly pink salmon, from the NOAA research vessel John N. Cobb in Icy Strait on 29 July to 3 August. A primary objective of the trials was to determine an effective means for sampling juvenile pink salmon with suitable scales to use for fore- casting subsequent marine sur- vival. A two-boat surface trawl and small-mesh monofilament gill nets were fished concurrently for 5 nights. The 3- x 6-m trawl was typically fished to 3 m deep at speeds of 1.0, 1.5, and 2.0 knots. The gill net was 200-300 m long, 6 m deep, with 24- to 42-mm panels of stretch mesh. Each night, up to seven 15-minute trawls and 6 hours of gillnetting were accom- plished.\nIn total, the trawl caught 177 juvenile pink salmon and the gill nets caught 64. About half the trawl-caught fish had lost many scales during capture, while the fish caught by gill net had most of their scales. Both sampling gears yielded 10- to 21-cm pink salmon which averaged 14.5 cm. In addi- tion to pink salmon, 100 coho salmon, 78 chum salmon, 55 sock- eye salmon, and 2 chinook salmon were captured. Over 82% of the pink salmon caught by gill net were in the top 4 m of the net; this study and others suggest that juvenile salmon are concentrated at the surface for at least their first 4 months at sea. The fishing method ultimately needed for sampling ju- venile pink salmon must minimize the size of crew and vessel needed to capture the fish.\nThe preceding information was provided by HERBERT JAENICKE and JOSEPH ORSI.\nCanadian Beam Trawl Operation Observed\nABL staff, invited by the Cana- dian Department of Fisheries and Oceans, traveled to British Colum- bia to observe beam trawl sam- pling operations from 14 June to 3 July. The work, conducted aboard the research vessel W.E.Ricker, in- volved the simultaneous fishing of surface and subsurface trawls for juvenile salmon off the west coast of Vancouver Island. The purpose of the ABL's participation was to examine the gear and monitor its performance and limitations in capturing juvenile salmon at sea. During the survey, 480 successful trawl sets were completed along transect to 40 nmi offshore, and over 6,000 juvenile salmon were captured. Numerous coded-wire tags were recovered from coho salmon and, to a lesser extent, from chinook salmon. Of the juve- nile salmon captured, chum\nJuly-August-September 1992\n6\nsalmon dominated the catch at about 60%; followed by coho salmon and pink salmon, both about 17%; sockeye salmon and chinook salmon, both about 3%; and a few steelhead. In addition to identifying and measuring salmo- nids, ABL staff also enumerated and examined other co-occurring fishes, including potential compet- itors and predators. The beam trawl gear was determined to be an effective and innovative sampling technique for capturing juvenile salmonids at sea.\nThe preceding information was provided by JOSEPH ORSI.\nSecond Field Trip to Cape Krusenstern\nScientists from the ABL trav- eled to Kotzebue, Alaska, on 16 July to conduct the second year of field work in Cape Krusenstern Na- tional Monument under an inter- agency agreement with the National Park Service. The objec- tives of the study were 1) to char- acterize epifaunal and infaunal components of macrobenthic communities in representative coastal lagoons in the monument, 2) to measure background levels of organic (petroleum hydrocar- bons and coprostanol) and heavy metal contaminants in lagoon sed- iments and bivalve tissue, and 3) to measure characteristics of water and bottom sediments in the la- goons. The benthos of the la- goons was sampled using a drop net and Ponar grab; sediments for chemical analysis were sampled with a corer or glass jar. Sampling was conducted from 17 to 29 July. A total of 150 benthic samples were collected at five lagoons (Au- kulak, Imik, Ipiavik, Kotlik and Portsite Lagoons). A total of 44 sediment samples were collected for chemical analysis at these la- goons and at a small lagoon adja- cent to the port facility of the Red\nDog Mine. Sticklebacks, Pungitius pungitius, were col- lected at Portsite, Imik, and Kotlik Lagoons, and Macoma balthica and Mya arenaria were collected at Aukulak and Kotlik Lagoon for pos- sible tissue analyses.\nThe preceding information was provided by CHARLES O'CLAIR.\nJohn N. Cobb Cruises\nThe Marine Fisheries Assessment's Analysis Task used the NOAA research vessel John N. Cobb for two longline research cruises in June and July 1992. The first cruise, conducted 27 June-2 July in Chatham Strait, Southeast Alaska, focused on sablefish. Hook timers were attached to the longline gear to record the time that fish, especially sablefish, were first hooked on the gear. These data will be used as part of a model that accounts for the effect of com- petition for hooks among species when determining abundance es- timates for sablefish caught on longlines.\nThe second cruise, conducted 6-15 July, studied shortraker and rougheye rockfish offshore of Sitka, Alaska. The purpose of the cruise was to conduct a feasibility study of using longlines to assess abundance of shortraker and rougheye rockfish. Several of the sites fished proved to be too deep to effectively fish the longlines in the desired depth stratum (300- 400 m); other localities, however, showed more promise as future shortraker and rougheye rockfish study sites. Substantial catches of both shortraker and rougheye rockfish were recorded at two sites. Three fishing days were lost due to poor weather conditions; these days were spent in St. John Baptist Bay tagging juvenile sable- fish (<40 cm fork length). For the seventh consecutive year, juvenile sablefish were found in large num-\nbers in the bay, and 1,659 were tagged and released.\nThe preceding information was provided by DAVID CLAUSEN.\nMiddleton Island Beach Surveys\nResearchers from the ABL sur- veyed beaches on Middleton Is- land for derelict fishing gear and other plastic debris, 12-15 July. About 55 fragments of trawl web were observed, similar to quanti- ties recorded in the last survey in 1989. Other types of plastic de- bris, such as gill-net floats, were more numerous in 1992 than in 1989, possibly because of a shift in surface currents associated with El Niño. A flipper-tagged elephant seal was also observed hauled out on the island; information on the seal was passed to the National Marine Mammal Laboratory in Se- attle.\nThe preceding information was provided by JEFFREY SHORT.\nPollock Tagging Study Underway\nEfforts to locate schools of wall- eye pollock near Auke Bay, Alaska, have been successful; more than 200 pollock, mostly juveniles, have been tagged and released or held in a large tank to monitor tagging mortality. Pollock were collected by jigging from a 17-ft work boat at several sites in and near Auke Bay. Two days of jigging aboard the John N. Cobb proved very reward- ing in locating and sampling schools of pollock more distant from Auke Bay, on the west side of Douglas Island and south of Port- land Island, Alaska. Most of the fish came from the Portland Island site. This site is accessible by skiff in good weather and we are plan- ning to continue to sample and release tagged pollock to this school if it remains in the area.\nThe preceding information was provided by RICHARD HAIGHT.\nAFSC Quarterly Report\n7\nSituk River Surveyed for Potential Study\nRepresentatives of the NOAA Coastal Ocean Program's Coastwatch Change Analysis Pro- gram (C-CAP) accompanied ABL personnel to Yakutat, Alaska, to survey the Situk River as a possible pilot study site. The goal of C-CAP is to develop a comprehensive, na- tionally standardized information system to assess changes in land cover and habitat in the coastal regions of the United States. Po- tential flooding of the Situk River by the Hubbard Glacier could provide C-CAP with a unique opportunity to monitor significant natural changes in fish habitat. ABL's re- search program on the Situk River will provide much of the necessary verification of riparian and aquatic habitats identified by satellitle im- agery and aerial photography.\nThe preceding information was provided by K KOSKI.\nReference Collections\nThe ABL received an Atlantic salmon and two Pacific barracuda in August collected by Alaska De- partment of Fish and Game sam- plers in Ketchikan during the late July sockeye salmon fishery.\nThe preceding information was provided by BRUCE WING.\nNATIONAL MARINE MAMMAL LABORTORY(NMML)\nICES Marine Mammal Committee Meeting\nDeputy Director of the NMML R.V. Miller represented the United States on the Marine Mammal Committee at the annual statutory meeting of the International Coun- cil for the Exploration of the Sea (ICES), held in Rostock, Germany, 24-29 September 1992. Interest at the meeting centered on the re-\nports of the Study Group on As- sessment of Pilot Whales and the Study Group on Seals and Small Cetaceans. The work of the Study Group on Assessment of Pilot Whales is of primary interest to the United States because of U.S. in- volvement in the International Whaling Commission (IWC) and the IWC's concern over the contin- uing harvest of pilot whales in the Faroe Islands, Denmark. The new North Atlantic Marine Mammals Commission (NAMMCO), organ- ized as an alternative to the IWC, requested the assessment of pilot whales by ICES shortly after NAMMCO's formation this sum- mer. The study group was unable to provide a population estimate or assessment because necessary data was not available at the time, but did agree that sufficient data exists for an attempt at such an assessment in the future. The ICES Marine Mammal Committee recommended continuation of the Study Group on Assessment of Pilot Whales with addition of IWC scientists and involvement of NAMMCO scientists when an as- sessment is undertaken.\nThe Marine Mammal Commit- tee recommended that the Study Group on Seals and Small Ceta- ceans meet again in early 1993 to update relevant information on those species in the North Atlantic area and work on problems of by- catch statistics and sighting sur- vey protocol. The committee also recommended that a workshop on impact of marine mammal patho- gens be convened in March 1993 to consider contributory factors, potential effects, and protocol for study of future outbreaks, in order to collate and effectively use infor- mation gained from the study of the seal virus (phocid distemper) epidemic in 1988-89 in northern European seas. Information gained from the 1993 workshop\nwill be valuable to U.S. researchers in attacking future epidemics among seals and cetaceans along U.S. coasts.\nA joint ICES-Northwest Atlantic Fisheries Organization (NAFO) symposium on the role of marine mammals in exploited ecosystems was proposed for 1995. The pro- posal had been discussed earlier in other forums and was greeted with encouragement by the ICES Marine Mammal Committee be- cause of the growing involvement of marine mammals in various as- pects of fisheries and the recogni- tion that fisheries problems must be treated in a multispecies con- text. It was agreed that the Marine Mammal Committee should take the lead within ICES. Johann Sigurjonsson of Iceland agreed to coordinate the symposium and serve as cochair with a representa- tive from NAFO.\nAlaska Ecosystem Program\nThe Alaska Ecosystem Pro- gram conducted population as- sessment research on Steller sea lions, northern fur seals, harbor seals, killer whales, and harbor porpoise throughout the Gulf of Alaska and Bering Sea during the third quarter. Feeding ecology and movement patterns at sea of Steller sea lions and fur seals were monitored by attachment of satel- lite transmitters and VHF radio transmitters. An assortment of other projects were conducted on sea lions and fur seals, including stock differentiation, health status, disease profiles, levels of heavy metals and other pollutants, the physiological cost of feeding trips, growth, and survival-mortality rates. Data resulting from these projects are currently under analy- sis and will be published in annual reports available during winter and spring 1993.\n6\nJuly-August-September 1992\n8\n180 00W\n177 00W\n174 00W\n171 00W\n168 00W\n165 00W\n162. 00W\n159 00W\n156 00W\n63 0ON\n63 0ON\n62 0ON\n+ + + +\n62 0ON\n+ + + + +\n+ +\n+\n61 0ON\n+ 4\n1\n4 + + + +\n61 OON\n+\n1\n1\n60 0ON\n+ + 4 + +\n+\n1 +\n+\n1\n+\n+\n+\n+\n59 00N\n+\n1\n59 OON\n+\n1 + 1 + 4\n58 OON\n1\n+\n58 00N\n+\n1\n57 OON\n57 0ON\n+\n1\n56 OON\n56 OON\n+ R/V Alaska\n55 0ON\n& F/V Tracy Anne\n55 OON\n0.\n54 OON\n54 0ON\n180 COW\n177 00W\n174 00W\n171 00W\n168 00W\n165 00W\n162 00W\n159 00W\n156 00W\nFigure 1. Stations sampled during the 1992 crab-groundfish survey of the eastern Bering Sea.\nSteller sea lion and harbor seal surveys were conducted coopera- tively with the Alaska Department of Fish and Game and with biolo- gists from the Russian Academy of Sciences, Petropavlovsk- Kamchatski, and the Pacific Re- search Institute of Marine Fisheries and Oceanography (TINRO), Vlad- ivostok. Portions of the northern fur seal research were conducted cooperatively with the Far Seas Fisheries Research Agency, Japan, and Ehime University, Japan. Steller sea lion physiologi- cal research and genetics studies were conducted cooperatively with the University of Alaska and Texas A&M University.\nThe preceding information was provided by R. V. MILLER.\nRESOURCE ASSESSMENT AND CONSERVATION ENGINEERING (RACE) DIVISION\nBering Sea Groundfish Assessment Subtask\nThe 1992 crab-groundfish sur- vey of the eastern Bering Sea (EBS) began on 1 June and was completed on 9 August. The sur- vey was designed to assess the abundance of demersal fish and crabs over an area of 465,000 km2 of the eastern Bering Sea conti- nental shelf. The area covers the shelf from inner Bristol Bay to the shelf edge and extends from the Alaska Peninsula to St. Matthew\nIsland (Fig. 1). The standard area has been surveyed annually since 1979. During triennial years, such as 1991, the survey is extended to include the northern shelf, Norton Sound, and the continental slope. These surveys are a combined ef- fort of the RACE Division's Groundfish Task and the Kodiak Laboratory and are used to pro- vide estimates of abundance for management agencies such as the North Pacific Fishery Management Council (NPFMC) and the Alaska Department of Fish and Game (ADF&G).\nDue to unusually bad weather and mechanical problems during the early and middle portions of the survey, a block of 18 stations was deleted in the midnorthern\nAFSC Quarterly Report\n9\n+\n€\n+\nLNUNIVAK I\n60 OON\n1\nALASKA\nALASKA PENINSULA\nTable 1. -- Biomass estimates of major demersal fish species taken during annual resource assessment surveys of the eastern Bering Sea continental shelf, 1989-92 (1000's of metric tons).\nYEAR\nSPECIES\n1989\n1990\n1991\n1992\nWalleye pollock\n5,877\n7,125\n5,109\n4,323\n(4,356)\nPacific cod\n832\n691\n533\n535ª\n(547)\nYellowfin sole\n2,306\n2,184\n2,393\n1,993\n(2,172)\nRock sole\n1,332\n1,381\n1,588\n1,476\n(1,575)\nFlathead sole\n533\n628\n570\n648\n(649)\nAlaska plaice\n528\n523\n529\n489\n(550)\nArrowtooth flounder\n372\n435\n390\n414\n(414)\nGreenland turbot\n9\n14\n11\n24\n(24)\nTotal\n11,789\n12,962\n11,122\n9,902\n(10,287)\na Values in parentheses are estimates for 1992 taking into account the deleted 18 stations, based on the mean proportion of the biomass estimate present in that area during 1989-91.\nsection of the survey area. This decision was based on expected low abundance of primary species in the deleted area and the need to complete the survey in the north- western area where higher abun- dances of important species such as walleye pollock, Pacific cod, and snow crab (Chionoecetes op- ilio) were expected.\nThe survey was conducted aboard the chartered vessels Alaska and Tracy Anne. Catch and biological data, as well as biologi- cal samples, were collected from 358 stations. These included 338 stations within the standard area and 20 stations northwest of that area which were allocated to spe- cifically assess C. opilio. Addi- tional data and samples collected included: 1) over 8,000 fish stom- achs for trophic studies by the Food Habits program of the AFSC, 2) fish identification samples for the NMML, 3) fish samples of Gym- nocanthus sp. for systematic work at the University of Washington, 4) juvenile Pacific halibut for parasite studies by the International Pacific Halibut Commission, 5) fish identi- fication samples for the Domestic Observer Training Program of the AFSC, 6) maturity data on yellowfin\nsole, 7) pathobiology collections by the Fisheries Resource Pathobiology group from nearly 400 fish and invertebrates, and 8) a variety of invertebrate samples and collections by the Kodiak Lab- oratory.\nBiomass estimates for the major fish species in the standard area in 1992, as well as the preced- ing 3 years, are given in Table 1. The most abundant species, wall- eye pollock, declined for the sec- ond consecutive year from a peak year in 1990. Walleye pollock is a semidemersal species that exhib- its a more demersal behavior with age. Therefore, the biomass esti- mate developed from bottom trawl surveys is weighted by older, larger fish. The pelagic component of the population is surveyed trienni- ally by hydroacoustic methods. Commercial catches since 1984 have exceeded 1 million t per year.\nPacific cod biomass estimates decreased approximately 50% be- tween 1986 and 1991. However, the estimate for 1992 is nearly the same as in 1991. Hopefully, the precipitous decline of recent years has ended for this valuable fish.\nAlthough biomass estimates for the flatfishes on the continental\nshelf have been relatively stable over the last few years, rock sole, arrowtooth flounder, and flathead sole have all increased dramati- cally since the early 1980s. Yellowfin sole and Alaska plaice have decreased somewhat during that period. The biomass estimate for Greenland turbot on the conti- nental shelf has been significantly lower than the high of 226,000 t in 1979. The shelf acts as a nursery ground for Greenland turbot and they are usually only found there until they are 4 to 5 years old. At that time they begin migrating to the continental slope. There has been little indication of significant recruitment since the early 1980s. In 1992, there appears to be a small pulse of Greenland turbot in the size range of 20 to 30 cm, about age 2. Although not equivalent to the recruitment of the late 1970s, the abundance of this young year class is encouraging.\nSubtask members also took part in a cooperative survey aboard the Russian vessel Mys Babushkina. The Mys Babushkina conducted a bottom trawl survey of the shelf north of St. Matthew Island into the Gulf of An- adyr and extending westward into\n10\nJuly-August-September 1992\n.\nRussian waters to Cape Olyutorskiy. A total of 113 stations were sampled. In addition to the standard data collection, U.S. sci- entists collected walleye pollock tissue samples for stock identifica- tion experiments, and a visiting sci- entist from Bucknell University collected skates for an ongoing study of systematics and identifi- cation. The data from this survey have not yet been analyzed.\nData from bottom trawl surveys are used in several ways. The data provide for a fishery-independent estimate of stock condition to sup- plement estimates derived from fishery statistics. The data also are used for tuning population models using a variety of fishery data. In both cases, it is important that the accuracy of survey-based esti- mates is known and maintained at acceptable levels. Work in the Groundfish Task is focusing on just that aspect. Improved knowledge of the net configuration while fish- ing is now provided by net mensu- ration equipment. Recent advances in determining on-bot- tom trawling time and geographi- cal position are being incorporated. Improved mathe- matical methods of comparing the fishing power of different vessels have been adopted. A reevalua- tion of the survey time series is being conducted utilizing new in- formation gained from these stud- ies.\nThe preceding information was provided by GARY WALTERS.\nGulf of Alaska Groundfish Assessment Subtask\nNMFS Longline Survey of the Gulf of Alaska\nThe sixth annual NMFS long- line survey of Gulf of Alaska groundfish was conducted aboard the chartered U.S. longliner Ocean\nProwler from 12 July to 28 Septem- ber. The survey was conducted jointly by the RACE Division and the ABL. Catch and length fre- quency data were recorded at 60 standard survey sites located on the upper continental slope and in deep gullies. An electronic datalogger was used to record catch, replacing the on-deck sam- pling forms used in previous years. A similar data entry device with a bar code reader recorded length frequencies by station, species, depth interval, and sex. Electroni- cally stored data was downloaded to computer files and subse- quently stored and edited in a rela- tional database.\nPreliminary results suggest that sablefish abundance in the west- ern Gulf of Alaska has decreased since last year; however, recent commercial fishing pressure in the vicinity of some stations might have caused localized, short-term depletion. Indices of sablefish abundance in the central gulf show the total abundance to be approx- imately the same as in 1991, but the center of abundance may have shifted somewhat eastward. Un- usually large survey catches of ju- venile sablefish were made near the Shumagin Islands and in gul- lies in the central gulf, suggesting that sablefish recruitment to the survey area in 1992 might have been larger than in the previous 5 survey years.\nLongline survey catches of Pa- cific cod in the western gulf were notably higher than those ob- served last year, although many were relatively small juvenile cod. Giant grenadiers were the third most common species captured. Data from the final leg of the sur- vey, conducted off southeastern Alaska, were not available at the time of this writing.\nJapan-U.S. Cooperative Longline Survey of the Aleutian Island-Bering Sea Region and Gulf of Alaska\nIn cooperation with the AFSC, Japan has conducted the longest series of longline surveys in the northeast Pacific Ocean. Indepen- dent U.S. surveys were initiated re- cently, in anticipation of the Japanese survey being discon- tinued. The Gulf of Alaska portion of the Japan-U.S. survey has been conducted annually since 1978 and the Aleutian Island -Bering Sea region has been sampled since 1982. Recent trends in sablefish catches taken by this survey in the Aleutian Island and Bering Sea re- gion indicate that sablefish abun- dance is decreasing. Preliminary 1992 results suggest a continua- tion of that trend. Survey catch data for the Gulf of Alaska are not yet available\nAt the conclusion of the coop- erative longline survey, a study was conducted to compare the rel- ative efficiencies of the NMFS and Japanese longline sampling gears. During this experiment, sets of two skates of NMFS longline gear and two skates of Japanese longline gear were tied together alternately and fished along the same tran- sect. Japanese and RACE scien- tists worked jointly to collect species-specific catch rate and size composition data. These data will assist in attempts to relate Jap- anese longline survey results and NMFS longline survey results through application of a fishing power coefficient.\nThe preceding information pro- vided by HAROLD ZENGER.\nWest Coast Groundfish Assessment Subtask\nThe West Coast Groundfish As- sessment Subtask is currently\nAFSC Quarterly Report\n11\nconcluding the sixth in a series of triennial bottom trawl surveys of the groundfish resources off Cali- fornia, Oregon, Washington, and British Columbia. The survey began on 13 July near Pt. Concep- tion, California, replicating the 1989 survey station pattern which had been altered to improve the biomass estimates for Pacific whit- ing and juvenile sablefish while maintaining the multispecies ob- jectives of the survey. The char- tered vessels Alaska and Green Hope have completed 417 trawl hauls at stations between Pt. Con- ception and southern Washington. Sampling will continue until 7 Oc- tober, extending to approximately lat. 50°30'N, off the northern part of Vancouver Island. Cooperating scientists from the REFM Division, the International Pacific Halibut Commission, the Washington State Department of Fisheries, Or- egon State University, the Makah Tribal Council, and the Southwest Fisheries Science Center's Tibu- ron Laboratory also participated.\nAlthough data from just the first third of the survey have been ed- ited, some general observations can be made. Catches were gen- erally quite small in the southern half of the survey area. This fea- ture has been noted during previ- ous surveys which occurred during El Niño events, especially in 1983. North of Cape Mendocino (approximately lat. 40°30'N), catch rates appeared similar to those from years with more normal temperature regimes. Pacific whit- ing and shortbelly rockfish were important components in the catches, as in past years. Pelagic species, however, were more prev- alent catch components this year. Larger than usual catches of Pa- cific herring, chub mackerel, and jack mackerel have been taken. Pacific sardines have also been noted in higher abundance and\ndistributed in more northerly areas than in previous surveys.\nThe Pacific whiting size distri- bution off California was bimodal. Fish in the 24- to 28-cm mode dominated, though 43- to 47-cm fish were also quite abundant. As- suming that growth rates from re- cent years apply to these fish, these modes probably represent fish primarily from the 1991 and 1987 year classes. Catches north of the California-Oregon border were composed almost entirely of the larger fish.\nKnowing that a significant El Niño event was occurring, we in- corporated a more intense sam- pling of physical oceanographic data, including temperature pro- files at all stations and conductivity, temperature, and depth profile (CTD) casts at over 100 stations along the coast.\nTemperature information has not been adequately analyzed yet, but in general, surface tempera- tures were higher than in all previ- ous years except 1983. We noticed, however, that northerly winds of relatively short duration (1 to 2 days) were causing surface temperatures to drop markedly, apparently because the winds were initiating local upwelling. Fol- lowing these winds, sea surface temperatures would climb steadily over 4 to 5 days, returning to the higher-than-normal states. We will be trying to relate changes in fish distributions to temperature anom- alies by comparing the 1992 data with what we have collected in pre- vious years.\nThe preceding information was provided by MARK WILKINS.\nShellfish Assessment Task (Kodiak)\nThe Crab Assessment Program has completed calculations of abundance for eastern Bering Sea crab stocks based on results of the\n1992 bottom trawl survey. These estimates have been discussed with the ADF&G and with the NMFS Alaska Regional Office. The ADF&G has set guideline harvest levels (GHL) for commercial king and Tanner crab fisheries in the Bering Sea-Aleutian Islands re- gion. Data and charts showing distribution and catch rates on a tow-by-tow basis have been dis- tributed to the fishing industry. Re- sults of the survey were presented to the NPFMC at its September meeting.\nThe abundance of Bristol Bay red king crab showed a decline relative to 1991, while the abun- dance of blue king crab stocks re- mained stable. The abundance index for legal male Bristol Bay red king crab was 5.7 million crab, as compared to 12.0 million in 1991, and the GHL will be 10.3 million pounds, as compared to a catch of 17.2 million pounds in 1991. The Bristol Bay stock is suffering from a long period of low recruitment, and estimates for juvenile crabs are the lowest on record. While the current abundance level of adults is considered adequate for repro- duction, continued low recruit- ment may jeopardize the continuance of this fishery. Blue king crab abundance in the Pribilof Islands shows an index of 1.0 mil- lion legal crab in both years. This fishery has been closed due to low stock abundance from 1988 on- ward and will remain closed in 1992. The abundance estimate for blue king crab legal males in the St. Matthew Island area was 2.2 mil- lion crab in 1991 and 2.3 million in 1992. The fishery opened on 4 September with a GHL of 3.3 mil- lion pounds and record 174 ves- sels participating. The fishery was open for 60 hours and then reeval- uated. Although final catch statis- tics are still being tabulated, it appears that the catch exceeded\nJuly-August-September 1992\n12\n1\n2.4 million pounds with 92% of the fleet reporting. Landings were 3.4 million pounds in 1991.\nThe 1992 abundance index for Tanner crab (C. bairdi) is 41.8 mil- lion legal males, as opposed to 35.1 million in 1991. The 1992 GHL is 39.2 million pounds, as com- pared to a 1991 catch of 31.8 mil- lion pounds. The eastern Bering Sea Tanner crab stock generally has shown high levels of juvenile abundance and good recruitment since 1986-87 when the fishery was closed due to low stock abun- dance. The current abundance of legal males is above the historical average. The abundance of com- mercial-size snow crab (C. opilio) declined from a record high of 484.1 million crab in 1991 to 256.4 million in 1992. The GHL for 1992 will be 207 million pounds, as com- pared to a catch of 315.5 million pounds in 1991. Declining abun- dance was expected in this stock due to the passage of an extremely large cohort which had supported record catches in 1988 to 1991 fisheries. Although the 1991 to 1992 decline has been more abrupt than anticipated, overall stock abundance remains high and landings will remain well above average.\nThe Kodiak Island Borough project, conducted over the past 2 years, has been completed. This project was contracted to the Ko- diak Laboratory in order to investi- gate the suitability of Womans Bay, Trident Basin, and Anton Larsen Bay as juvenile red king crab hab- itat. The borough's main interest is in choosing a site for future red king crab enhancement efforts that may involve culture of red king crab, habitat alteration, or stocking of adult brood stock. Of the three sites, Womans Bay had the highest abundance of juveniles (as deter- mined by diver sampling), a more variable temperature regime, and\ngreater habitat suitability. It was recommended that future en- hancement efforts be concen- trated in Womans Bay until the benefits of a given type of en- hancement could be evaluated. Tracking of crab with sonic tags showed that residence time in Womans Bay includes the first 5 years (age 0 to 4) of life. Age-2 to -3 juveniles preferred shallow water and were frequently found near vertical structures such as pil- ings in winter. When temperatures were below 4℃, crab were rela- tively immobile and remained in tight aggregates or pods. During the winter they tended to move to deeper water and become more mobile and less aggregated. The highest degree of mixing between age groups occurred August through October when tempera- tures were highest. Molting fre- quency declined to once per year at a mean carapace length of 58 mm or age 3. Distributions of all macroinvertebrates counted by di- vers were highly contagious. Ju- venile red king crab showed the most contagious distribution of seven species examined and were, hence, most aggregated. The degree of contagion for age-0 to -1 king crab was 30.7 times greater than that expected for a random distribution, while that for age-2 to -4 crab was 16.1 times greater. Comparative factors were 8.2 for Tanner crab and 6.2 for hel- met crab. Sonic tagging showed that juvenile red king crab in Wom- ans Bay maintained discrete, age- specific aggregations for up to 25 months and confirms that they have highly aggregating (podding) behavior at least until age 5.\nThe preceding information was provided by ROBERT OTTO.\nRecruitment Processes-FOCI\nThe scientific objective of the Fisheries-Oceanography Coordi-\nnated Investigations (FOCI) Task is to understand the environmental mechanisms causing recruitment variation in walleye pollock. We believe that the survival of larvae spawned in Shelikof Strait is en- hanced if they remain on the con- tinental shelf and ultimately recruit to nearshore nursery areas rather than be advected out to deep water in the Gulf of Alaska with little chance of return. One way that larvae can be retained on the shelf is to be hatched or entrained into one of the many eddies that form in Shelikof Strait each year.\nIn the past, we have tried to use several methods to detect the presence of eddies. Satellite im- agery can tell us the location and size of several eddies at once, but observations are often hampered by persistent cloud cover during the spring. We also have relied on the chance placement of a satel- lite-tracked drifter buoy within an eddy, but full definition of an eddy feature is laborious and costly using this method. Neither of these methods is capable of pro- viding instantaneous at-sea detec- tion and definition of eddies which can be used to direct sampling in the field.\nQuite by accident, it was dis- covered that hydroacoustic sam- pling may offer a real-time method of detecting and defining eddies. During spring 1992, we arranged to use the RACE Pelagic Resource Assessment Task's Simrad EK500 (38 kHz) echo sounding system to look for aggregations of post- spawning adult pollock. We ob- served anomalous patterns made by the sound scatterers in several locations in Shelikof Strait. These patterns consisted of strong scat- tering layers in the surface along a transect with a rather sudden in- crease in the layer's depth and ab- solutely no scatterers detected in between (Fig. 1). The deeper layer\nAFSC Quarterly Report\n13\n0\n2095\n45606 .62.8:15601\n559\n50\n560\n100\nDepth (meters)\n150\n200\n50 1570\n250 1$20\n250 !$70\n250 -.\nFigure 1. Acoustic profile of a west-to-east transect (total distance of approximately 2.5 miles) at the edge of an eddy located south of Shelikof Strait on 28 May 1992. The boundary of the eddy shows up a distinct layer rising to the surface in the center of the trace. To the left, the distinctive clear region within the eddy is apparent.\nappeared concave or bowl-like in the transects. In one instance, this pattern was near a satellite drifter which followed a circular path. This location and those of two other anomalous scattering layer patterns were observed in satellite images to contain eddy-like fea- tures (~20 to 25 km in diameter). We made several acoustic tran- sects across one of the features to map its three-dimensional shape and found it to be approximately circular, 20 km in diameter. We took oceanographic measure- ments and made plankton tows at various locations, both within and immediately outside the eddy. Water property and Acoustic Doppler Current Profiler data taken concurrently also indicated that this feature was an eddy. Hopefully, this new tool may en-\nable us to locate eddies in real-time to conduct targeted sampling and eventually allow us to describe the importance of eddies in larval sur- vival.\nPreliminary counts of pollock larvae in the plankton tows con- ducted in 1992 revealed higher abundances at stations within the eddies than in those surrounding the eddies. Subsequent analyses of the growth and condition of the larvae and the amount of food available at contrasting sites within and outside the eddy will deter- mine whether these eddies are also favorable for feeding and sur- vival of the larvae, as has been indicated in previous years. In fu- ture research, we plan to identify these scatterers and determine what causes them to aggregate along the edges of the eddy.\nThe preceding information was provided by RICHARD BRODEUR.\nFisheries Resource Pathobiology\nAnalyses of the fourth year (1991) of blood samples collected to determine the prevalence and distribution of Bitter Crab Syn- drome (BCS) in both C. bairdi and C. opilio in the Bering Sea were completed. The results indicate that BCS is significantly more prev- alent in C. opilio. Prevalences di- minish toward the southern distribution range of the species -- being highest in the Chukchi Sea with progressively reduced preva- lences in Norton Sound, the north- east Bering Sea, and the eastern Bering Sea. However, preliminary results indicate that BCS preva- lence in C. opilio from the eastern\n14\nJuly-August-September 1992\nBering Sea increased slightly in 1991 over previous years. The in- cidence in C. bairdi is negligible, at less than 1%.\nCollections of Dungeness crab from two sites in northern Puget Sound (Smuggler's Cove and Clayton Beach) were made to as- sess the presence of a lethal, pro- tistan parasite for the third consecutive year. The evidence suggests that the ciliated parasite gains entry during the molting pe- riod, resulting in an overall preva- lence in shell-1 crabs of 34.3%. Overall, infections were more prev- alent in males (18.6%) than fe- males (7.1%). Infections were also more prevalent at Smuggler's Cove (24.1%) than at Clayton Beach (9.5%).\nThe preceding information was provided by FRANK MORADO.\nPelagic Resource Assessment Task\nEcho integration-midwater trawl survey of Pacific whiting\nScientists from the RACE Divi- sion conducted an echo integra- tion-midwater trawl (EIMWT) survey of Pacific whiting aboard the NOAA research vessel Miller Freeman from 7 July to 19 August as part of the West Coast triennial groundfish survey. The area of op- erations included waters off the west coast of the continental United States from central Califor- nia to the north end of Vancouver Island, British Columbia (Fig. 1). The principal objective was to pro- vide data for the estimation of age- specific biomass and population numbers for the pelagic compo- nent of the coastal Pacific whiting stock. A secondary objective was to collect acoustic and biological data on selected rockfish species. The EIMWT survey was conducted during daylight hours. Nighttime hours were used to collect whiting\ntarget-strength data or to investi- gate aggregations of other midwa- ter and demersal fish species, primarily rockfish.\nIn addition to the U.S. effort, the Canadian Department of Fisheries and Oceans' Pacific Biological Station in Nanaimo, British Colum- bia, conducted an EIMWT survey off Vancouver Island from 29 July to 2 September to assess whiting in Canadian waters. On 10 Au- gust, an intership calibration be- tween the U.S. and Canadian research vessels was conducted to compare acoustic system per- formance.\nAggregations of whiting were encountered along the coast from Point Sur, California, to the north end of Vancouver Island. South of Coos Bay, Oregon, whiting distri- bution was very patchy. Medium to low density aggregations were found over bottom depths from 200 m to beyond 500 m. Midwater trawl catches south of San Fran- cisco (hauls 3 to 5) were domi- nated by whiting with a modal length of 24 to 25 cm (Fig. 2A). In the area between Fort Bragg, Cal- ifornia, and Coos Bay, Oregon, catches from midwater trawl hauls 8 to 16 consisted primarily of whit- ing between 25 and 35 cm with a few adults between 35 and 50 cm (Fig. 2B).\nMost of the coastal whiting bio- mass was found north of Coos Bay. Midwater hauls were com- posed primarily of adult whiting greater than 40 cm (Fig. 2C-G). Fish greater than 50 cm in length were encountered in significant quantities only in Canadian waters. Off Oregon and Washington, con- centrations of whiting were found over bottom depths as shallow as 60 m, and they extended beyond the edge of the continental shelf. Trawl catches in this area were dominated by male fish (Fig. 2C- D). Very little whiting echo-sign\nwas detected on La Perouse or Swiftsure Banks off southern Van- couver Island, except in an area of deeper water adjacent to Barkley Sound where the Canadian joint venture fleet was fishing. The large female fish in the south Canada size composition (Fig. 2E) came from two trawl hauls off Barkley Sound. North of lat. 49ºN, whiting aggregations were strongly asso- ciated with the shelf edge at about 200 m. Aggregations of whiting were observed as far north as Cape Scott at the northern tip of Vancouver Island and in an area just west of Calvert Island. Throughout most of the survey area, low-density, 20- to 50-m thick bands of whiting were observed at depths of 150 to 350 m extending out over deeper waters. This caused us to extend some tran- sects up to 20 miles beyond the 500-m bottom depth contour.\nThe preceding information as provided by NEAL WILLIAMSON.\nFishing gear research for by- catch reduction\nA 23-day cruise to observe groundfish behavior in response to approaching trawls was con- ducted aboard the chartered ves- sel Royal Baron in the vicinity of Kodiak, Alaska, from 13 August to 4 September. This cruise was part of a cooperative project with the International Pacific Halibut Com- mission and representatives of the fishing industry to facilitate the de- velopment of more selective bot- tom trawls aimed at reducing the bycatch of Pacific halibut.\nThe primary objective was to obtain observations of groundfish, particularly Pacific halibut and Pa- cific cod, as they encounter vari- ous features of a bottom trawl. These observations were planned, in consultation with industry trawl experts, to record behaviors which\nAFSC Quarterly Report\n15\n43 OON\n15\nCanada\n44\n#13\n42.\n1 40\n37\n35\nWashington\n33\n32\n31\n30\n29\n47 00\nNorth Columbia - Vancouver\n28\n27\n26\n25\nOregon\n39 00\nMonterey\n7 6 **\nSan Francisco\n5\n20\n19\n37 00\nPoint Sur\n35 00\n125 00W\n123 00\n121 00\n127 00W\n125 00\n123 00\n52 OON\nCalvert I.\n60\n62\n59\nCape Scott\n58\n55,56,57\nVancouver I.\n50 00\n52\n51\nNorth Canada\n50\n49\n48\n47\nBarkley Sound\n46\nSouth Canada\n45\n48 00\n130 00W\n128 00\n126 00\n124 00\nJuly-August-September 1992\n16\nFigure 1. Survey trackline, midwater (x) and demersal (A ) trawl haul locations, and biological sampling strata for the summer 1992 West Coast EIMWT survey, Miller Freeman cruise 92-8.\n49 00N\nSouth\nOregon\n13\n12\n× 2\nEureka\n10\n11\n41 00\nCalifornia\n×9\n.24\n23\nSouth Columbia\n45 00\n×22\n21\n× 1\n×18\n17\n.Coos Bay\n16\n43 00\nHauls 3-5\nHauls 8-16\nProportion\nn-728\na\n0.2\n48% males\n52% females\n49% females\n0.12\n0.1\n0.08\n0.1\n0.06\n0.04\n0.05\n04\n0\n20\n25 30\n35 40 45\n50\n55\n60\n65\n20\n25\n30\n35\n40 45 50 55 60\n65\nLength (cm)\nLength (cm)\nHauls 17-24\nN. Columbia-Vancouver\nProportion\nn=4629\nd\nProportion\nn·2331\nC\n0.14\n65% males\n0.14\n62% males\n38% females\n0.12\n0.12\n0.1\n0.1\n0.08\n0.08\n0.06\n0.06\n0.04\n0.04\n0.02\n0\n0\n20\n25\n30\n35\n40\n45 50\n55\n60\n65\n20 25 30\n35\n40\n45\n50\n55\n60\n65\nLength (cm)\nLength (cm)\nFigure 2. Preliminary Pacific whiting size and sex compositions from the summer 1992 West Coast EIMWT survey, Miller Freeman cruise 92-8, as determined from midwater trawl samples.\nAFSC Quarterly Report\n17\nProportion\nn·2318\nb\n0.14\n51% males\n0.15\n0.02\n0.02\n35% females\nSouth Canada\nProportion\nn=1764\ne\n0.14\n46% males\nAV 64% females\n0.12\n0.1\n0.08\n0.06\n0.04\n0.02\n0\n20\n25 30 35 40 45 50 55 60 Length (cm)\n65\nNorth Canada\nProportion\nn-2651\nf\n0.14\n52% males\n48% females\n0.12\n0.1\n0.08\n0.06\n0.04\n0.02\n0\n20\n25 30 35 40 45\n50\n55\n60 65\nLength (cm)\nWest Calvert I.\nProportion\nn-884\ng\n0.14\n41% males\n50% females\n0.12 -\n0.1\n0.08\n0.06\n0.04\n0.02 -\n0 4\n20 25 30 35 40 45 50\n55 60\n65\nLength (cm)\nFigure 2 continued.\n18\nJuly-August-September 1992\nare likely to be useful in developing more selective bottom trawls.\nFish behavior observations were made with a video system consisting of a low-light camera mounted on a pan-tilt apparatus attached to the trawl. Connection to the surface through an electro- mechanical cable allowed real- time viewing and aiming. Video observations were recorded on tape for later analysis. An imaging sonar, aimed to cover part of the camera's field of view, was used to supplement the video observa- tions.\nThe camera system was at- tached to the trawl at several loca- tions, including a number of points on the top midline of the trawl be- tween the headrope and the codend and on a trawl wing. These deployments allowed view- ing fish behavior as the fish en- countered the lower bridles, as they swam ahead of the footrope, as they passed through the trawl, as they accumulated near the codend, and as they encountered several internal trawl modifications incorporated as experimental spe- cies segregators.\nThe observations collected during this cruise will be analyzed for behavioral differences between species and size groups. The video observations and results of the analysis will be provided to the fishing industry and trawl manu- facturers to aid in their develop- ment of more selective fishing trawls and strategies.\nTwo additional projects were carried out during this cruise. In the first, hydroacoustics were used to observe the movement of wall- eye pollock in reaction to the ap- proach of a vessel towing a bottom trawl. These observations were made with a scientific echo sounder mounted on a small boat which made a series of passes over the area between the towing\nvessel and the trawl, noting changes in fish position as the trawl approached. Understanding the reaction of fish schools to sur- face vessels and towed capture gear will play an important role in defining biases associated with abundance estimates.\nThe second was a pilot project aimed at answering questions re- lated to the survivability of Pacific halibut caught by trawl, which must be discarded according to current regulations. Scientists from the University of Washington's Fisheries Research Institute kept trawl-caught halibut in cages lowered to the sea floor which were subsequently recov- ered to evaluate the proportion surviving. The time in the cage and number of fish per cage were var- ied to evaluate this technique for determining survival rates. Blood samples were also taken and ana- lyzed to test for useful physiologi- cal indicators of fish survivability.\nThe preceding information was provided by CRAIG ROSE.\nRESOURCE ECOLOGY AND FISHERIES MANAGEMENT (REFM) DIVISION\nFood Habits Program\nApproximately 8,127 fish stom- achs were collected, 140 were scanned aboard ship, and 1,291 were analyzed in the laboratory for the Bering Sea area. A total of 381 stomachs from the Gulf of Alaska, and 547 stomachs from the west coast of North America were ana- lyzed. Six observers were trained for stomach collection this quarter. Data on various indicators of feed- ing status such as bile color and gall bladder fullness were col- lected during the West Coast groundfish survey and will be used\nto determine the accuracy of our regurgitation determinations.\nFurther analysis has been com- pleted of groundfish, marine mam- mal, and bird predation on walleye pollock and Pacific herring from 1985 to 1988 in the eastern Bering Sea. Although walleye pollock cannibalism was the largest source of mortality for age-0 pol- lock, predation mortality of pollock by Pacific cod and marine mam- mals was also very important for age-1+ pollock. Instantaneous annual mortality rates from groundfish predation were esti- mated for ages 0-2 walleye pol- lock. Interannual variation in these rates suggest the occurrence of density-dependent predation pro- cesses. Higher predation mortal- ity rates at age for the 1985 year class of pollock were observed rel- ative to the 1986 and 1987 year classes. The 1985 year class was more abundant than other year classes in the analysis, which sug- gests that predators may tend to partially switch to feeding on a more abundant year class.\nThe preceding information was provided by PATRICIA LIVING- STON.\nAge and Growth Studies\nFrom January to September 1992, the Age and Growth Task members estimated the ages of groundfish species for 1,327 rock sole, 363 rex sole, 1,254 yellowfin sole, 8,914 walleye pollock, 3,030 Pacific cod, 1,865 sablefish, 827 Atka mackerel, 2,918 Pacific whit- ing, and 1,908 Pacific ocean perch, for a total of 22,406 fish. In addi- tion, 6,380 were examined, 704 were examined and determined to be unreadable, 3,214 were reread.\nThe preceding information was provided by DANIEL KIMURA.\nAFSC Quarterly Report\n19\nStatus of Stocks Task\nNorth Pacific groundfish stock assessments reviewed\nThe Gulf of Alaska (GOA) and Bering Sea-Aleutian Islands (BSAI) Plan Teams of the North Pacific Fishery Management Council (NPFMC) met 1-4 September in Seattle. They reviewed groundfish stock assessments, recom- mended preliminary acceptable biological catches (ABCs), and compiled the preliminary stock as- sessment and fishery evaluation report. The Plan Teams also re- viewed and prioritized amendment proposals to the fishery manage- ment plans. For the BSAI area, REFM scientists on the Plan Team prepared preliminary assessments for walleye pollock, Pacific cod, yellowfin sole, Greenland turbot, rock sole, other flatfish, arrowtooth flounder, sablefish, Pacific ocean perch (POP), other rockfish, Atka mackerel, and other species.\nFor the GOA area, preliminary assessments were prepared for walley pollock, flatfish, thornyhead, Pacific cod, POP, sa- blefish, several rockfish species, Atka mackerel, Pacific cod, and various flatfish species. In addi- tion, REFM staff contributed to re- views of marine mammal issues and proposed plan amendments.\nWest Coast stock asessments\nStatus of Stocks Task members completed final stock assess- ments for Pacific whiting, POP, sa- blefish, and Dover sole and presented them to the Pacific Fish- eries Management Council (PFMC) in September. (West Coast stock assessments are pro- duced on an earlier cycle than the GOA and BSAI assessments.) These final assessments are avail- able as appendices to the Stock Assessment and Fishery Evalua-\ntion Report published in Septem- ber 1992 by the PFMC. In brief:\nPacific whiting: A coastwide (U.S. plus Canada) ABC in 1993 of 177,000 t is recommended from a geographic version of the stock synthesis model. The model is tuned to triennial surveys of this stock's biomass and divides the population into U.S. and Canadian components. The ABC in 1993 is lower than the 1992 ABC because of reduced recruitment since the 1984 year class and because lack of agreement between the United States and Canada regarding allo- cation of the total available yield has caused harvests to exceed the ABC.\nSablefish: The sablefish stock was assessed through application of the size-structured version of the stock synthesis model. The model was used to explore the im- plications of fitting either the bio- mass observed in bottom trawl surveys or the relative trend ob- served in fish pot surveys. The former produces an optimistic sce- nario that is consistent with recent recommendations and indicates that ABC should decline by about 1,000 t to maintain a constant ex- ploitation rate. The latter suggests that sablefish have declined greatly and that the ABC should be reduced to one-third of the 1992 level. The optimistic scenario is recommended with caution, and the recommended ABC range is 5,000-7,000 t.\nPOP: A rebuilding program was established for POP in 1981 following depletion of this stock by foreign fleets during the 1960s and early 1970s. Strict trip limits are used to discourage target fishing. A new comprehensive review of fishery and survey data does not indicate any significant rebuilding. The stock is estimated to be at about 50% of its maximum sustain-\nable yield (MSY) level and recent incidental harvests of about 1,000 t are near the level of overfishing. The review also indicates that strong year classes, which are necessary to rebuild the stock, occur infrequently so the lack of rebuilding is not unexpected.\nDover sole: Size- and age- composition data from the Interna- tional North Pacific Fisheries Commisssion's (INPFC) Eureka and Columbia statistical areas were analyzed by stock synthesis. The analyses for each area were conducted independently be- cause tag return data indicate very little coastwide movement of adult\nDover sole. The model was tuned with biomass estimates from bot- tom trawl surveys and a range of assumptions regarding the catchability of the trawl. In the Eu- reka area where recent harvests have been about 3,500 t, the re- sults range from a heavily ex- ploited stock with a 1993 recommended harvest of 1,732 t, to a stock that is only slightly below its target level with a 1993 ABC of 4,134 t. In the Columbia area where recent harvests have in- creased to nearly 8,000 t, the re- sults range from a stock that is near its target level with a 1993 ABC of 2,248 t, to a stock that is still above its target level with a 1993 ABC of 5,766 t. The need for repli- cation of the surveys is identified by the fact that the better model fits occurred at the higher biomass levels in the Eureka area and at the lower biomass levels in the Colum- bia area.\nThe preceding information was provided by RICHARD METHOT.\nKing and Tanner Crab Research\nREFM staff prepared an analy- sis of the effect of lowered mini- mum size limits on discard\nJuly-August-September 1992\n20\n1\nmortality rates for the Bristol Bay red king crab stock. Given high discard mortality and constant ex- ploitation rates on mature males, the study indicates a significant re- duction in deaths of mature males due to discard by lowering the size limit by 1/2 inch to 6 inches. This result is attributed to the shorten- ing of the season by retention of a larger part of the on-deck catch. Discard deaths of females were re- duced moderately, as were total catch and average size of crab in the catch. While demonstrating the importance of obtaining esti- mates of the actual discard mortal- ity, the study also indicates the need for further analysis dealing with the economic implications, as well as extension to other crab fish- eries which interact with the red king crab fishery.\nThe preceding information was provided by JERRY REEVES.\nU.S. Fisheries Observer Program\nGroundfish observer training and deployments\nThrough September 1992, the Observer Program trained 382 in- dividual observers for deployment to domestic fishing vessels and processing plants and ships. An additional 14 observers were trained by the University of Alaska Anchorage through a pilot training program funded by NMFS through the Alaska Sea Grant Program. These 396 observers made over 600 observer deployments. Ob- servers sampled aboard 394 differ- ent fishing vessels and in 29 different processing plants. The majority of observer deployments were made in groundfish fisheries off Alaska, where observer cover- age aboard vessels in the groundf- ish fishery is mandatory. Some observer deployments (roughly 3%-5% of the total number of de- ployments) were made on catcher- processor and mothership vessels\nin the Pacific whiting fishery off the northwest coast of the United States. Vessels in the Pacific whit- ing fishery carried observers vol- untarily. Seventy-one percent of all observer deployments in 1992 were made by observers who had made previous trips on domestic vessels for the program.\nHigh-seas driftnet observer program\nThe high-seas driftnet portion of the Observer Program contin- ued to compile data collected in 1991 by U.S. observers on 30 Jap- anese, 10 Korean, and 8 Taiwanese driftnet vessels. Joint reports were completed on the data results from Japanese and Taiwanese fisheries. Copies of these reports can be ob- tained upon request from the Of- fice of the Driftnet Coordinator, AFSC. Work on the third joint re- port with scientists from the Re- public of Korea continues.\nThe preceding information was provided by RUSSELL NELSON.\nSocioeconomic Assessments\nMembers of the Socioeco- nomic Task contributed signifi- cantly to the analyses and review of fishery management plan amendments for the Pacific and North Pacific Fishery Management Councils.\n1.NPFMC BS/AI Amendment 24 - Task members prepared a draft evaluating the merits of es- tablishing an explicit allocation of the Pacific cod total allowable catch (TAC) between trawl and nontrawl gear. The council asked that seasonal allocations also be considered and that other changes be made to the draft.\n2. NPFMC BS/AI Amendment 25 - Task members prepared a draft evaluating the merits of es- tablishing an explicit allocation of the BSAI prohibited species catch (PSC) allowances among the on-\nshore processing, at-sea process- ing, and community development quota walleye pollock fisheries. Amendment 18 and Revised Amendment 18 established these three pollock allocation fisheries but did not address PSC allow- ances for them. The Council asked that additional alternatives be added before the draft is re- leased for public comment.\nTask members also assisted the Alaska Regional Office in pre- paring: 1) a draft for alternatives to regulate fishing vessels returning from the Russian exclusive eco- nomic zone (EEZ) with fish that cannot be retained if taken in the U.S. EEZ and 2) regulations for the halibut and sablefish individual fishing quota (IFQ) program rec- ommended by the NPFMC.\nIn cooperation with the NOAA Damage Assessment Office and the NOAA General Counsel, Task members have provided an ongo- ing review of draft regulatory lan- guage and advice concerning the use of economics in damage as- sessment and restoration planning in the Oil Pollution Act of 1990. The Task also provided a NMFS techni- cal representative in two planning meetings on Natural Resource Damage Assessment and Restora- tion Economics in association with the Exxon Valdez Restoration Plan- ning Working Group (RPWG). The meetings focused on applications of scientific and economic con- cepts in developing resource and service-flow restoration following the discharge of hazardous mate- rials spills in the aquatic environ- ment.\nThe preceding information was provided by JOE TERRY.\nAFSC Quarterly Report\n21\nITEMS\nTaka Takes Off\nMARION \"TAKA\" KOGITA retired as secretary to the AFSC Deputy Director effec- tive 3 October 1992.\nTAKA began work- ing for the Federal government in 1951 as a member of the U.S. Army at Fort Lawton, Washington, where she served until 1958. After a break in her career to raise a family, she joined the National Marine Fisheries Service (NMFS) (Bureau of Com- mercial Fisheries) and worked as a typist with the Exploratory Fishing and Gear Research Base at the Biological Laboratory at Montlake in 1970. In 1971, during the early years of the Northwest and Alaska Fisheries Center (NWAFC), she was hired as a secre- tary in the Coastal Zone and Estuarine Studies (CZES) Division, where she is well known for being short of stature (often standing on a box to see into the top drawer of the filing cabinet) and long on outstanding performance (she received many awards for exemplary performance). Despite being a super secretary, she wasn't perfect. Once, when accomp- lishing an extremely rushed job in which 10 people were to receive 1 copy of a 10-page document, she mailed each person 10 copies of a single different page of the document, an act which over time en- deared her all the more to the CZES staff.\nIn 1983 TAKA joined the NWAFC Center Director's Office staff, and eventually that of the AFSC, perform- ing the many duties of secretary and person \"Friday\" to Center Deputy Directors H. \"Heater\" Heyamoto, until his retirement in 1985; Ben Jones, until his retire- ment in 1991; and present AFSC Deputy Director Jim Balsiger. During her tour of duty she always exhibited boundless energy, a warm smile, and a special twin- kle in her eye, making her a pleasure to work with. She wil be missed by many.\nAccording to inside sources, TAKA plans to spend her retirement playing volleyball, pickleball, bowling, and \"not, repeat not, babysitting for her grandchil- dren.\"\nThis item was written by Susan Calderon of the Publications Unit, former CZES Division Director Jerry Monan, and former AFSC Deputy Director Ben Jones.\nSueto Murai Retires\nSUETO MURAI retired from the AFSC effective 2 October 1992 after 41 years of Federal service, of which 39 years were spent with NMFS and its prede- cessor agencies.\nSUETO grew up on Oahu, Hawaii, and graduated from the University of Hawaii with a B.S. degree from the School of Applied Science as a premed major. Soon after graduating, he was drafted into the U.S. Army where he served 2 years at the Letterman Army Hospital in San Francisco, California. In 1952, he began his work in fisheries analyzing the stomach contents of tuna as part of the Pacific Oceanic Fish- eries Investigations in Honolulu. After attending the College of Engineering at the University of Hawaii, SUETO applied his newly acquired knowledge to an electric fish-guiding project on Pacific salmon when he first joined the Bureau of Commercial Fisheries in Seattle, in 1954. He later worked under Frank Fukuhara on a salmon stock identification study based on morphology, and under Reynald Fredin on a compilation of international Pacific salmon and groundfish data. In 1959, his collection of salmon samples led him on an extensive survey of salmon hatcheries and rivers in Hokkaido, Japan. He served as an observer aboard three different Japanese salmon fishing vessels in 1962-63, in spite of breaking his right wrist while working on the first vessel.\nIn 1984, Sueto transferred to the Foreign Groundf- ish Observer Program. He maintained the foreign historical groundfish database for many years and used his computer skills in checking and running the \"best-blend\" estimates of the in-season foreign and joint venture groundfish catches in the Bering Sea, Gulf of Alaska, and off the Washington-Oregon- California coast. As the fishery changed from foreign to domestic, SUETO took charge of the domestic groundfish logbook program, overseeing the editing, data entry, and computer editing of the logbooks turned in quarterly by commercial groundfish vessels fishing in Alaska. During the 8 years he spent with the Observer Program, SUETO always encouraged the younger members of the staff to \"stick with it\" in their pursuit of careers in fisheries or biology. His cowork- ers are happy that he practiced the same persever- ance that he preached, because he provided them with the chance to know him during his 39 years with NMFS. They will miss him, and wish him well in the years to come.\nThis item was contributed by Janet Wall of the REFM Division.\nJuly-August-September 1992\n22\nGENERAL ACTIVITIES\nAWARDS\nDirector of the Juneau Office of the National Weather Service Lief Lie presented two Institutional Awards to the Auke Bay Laboratory (ABL) 11 August 1992. One award was for 50 years of weather data collec- tion by the staff at Little Port Walter; the award was accepted by ABL Director GEORGE SNYDER and by WILLIAM HEARD; the other was for 25 years of weather data recorded by BRUCE WING at the ABL campus; the award was ac- cepted by SNYDER and WING.\nVolunteers of the Cooperative Observer Program take daily tem- perature and precipitation mea- surements for the National Weather Service at many sites throughout the nation. These data provide the basis for long-term cli- matological studies, weather fore- casting models, and local climate studies. The volunteers are usu- ally members of the private sector, such as farmers, ranchers and businessmen, but also include in- dividuals within academic and government institutions. The award for Little Port Walter will be sent for display at that station. The award for the ABL will be displayed in the main building.\nQUEIROLO and JOSEPH TERRY's paper, \"U.S. Fisheries Management and Foreign Link- ages: Policy Implications for Groundfish Fisheries in the North Pacific EEZ,\" was recognized as \"Best Publication of 1990\" appear- ing in Marine Fisheries Review.\nVIDAR WESPESTAD was awarded the American Fisheries Society's (AFS) Distinguished Service Award at the society's annual meeting in Rapid City, South Da- kota.\nCertificates of Recognition for \"Outstanding Contributions as a\nNOAA Employee Servicing the Public Interest in Response to the Exxon Valdez Oil Spill Disaster in April 1989\" were presented to the following staff: DAVID CLAUSEN, CHRISTOPHER DERRAH, JEF- FREY FUJIOKA, RICHARD HAIGHT, EVAN HAYNES, DAN KAMIKAWA, JOHN KARINEN, NANCY MALONEY, JEAN SONDRUD, THOMAS RUTECKI, BRUCE WING, HEARD, SIDNEY TAYLOR, JOSEPH ORSI, MOLLY STURDEVANT, JOYCE LANDING- HAM, CARRITA MORRIS, CHARLES GUTHRIE, STANLEY RICE, MALIN BABCOCK, CHRISTINE BRODER- SEN, PATRICIA ROUNDS, JEFFREY SHORT, SIDNEY KORN, CHARLES O'CLAIR, MARK CARLS, JULIE SHARP-DAHL, LINCOLN FREESE, ADAM MOLES, ROBERT STONE, TYRUS BROUILLETTE, LEWIS QUEIROLO, GEORGE SNYDER, FLORENCE MYNARSKI, ROBERT SIMPSON, and PAULA JOHN- SON.\nWILLIAM HIGH received his 30- year Length of Service Award. MOLES received a 20-year Length of Service Award and JOHN EILER received a 10-year Length of Ser- vice Award.\nPUBLIC SERVICE AND COOPERATIVE ACTIVITIES\nNATAYLA VARNAVSKAYA, VLA- DIMIR EFREMOV, and EUGENY MATSAK arrived from Russia to do cooperative research on genetic stock identification of Asian and North American salmon stocks at the ABL.\nWING, HERBERT JAENICKE, and JOHN JOYCE conducted tours of the ABL for cadets from the Japan- ese research vessel Oshoro Maru IV.\nMOLES, DAVID LOVE, JAMES OLSEN, and JOHN HELLE met with the Pacific Salmon Commis- sion (PSC) and the Alaska Depart- ment of Fish and Game (ADF&G) Commercial Fisheries Division to design and to implement a study to determine the contribution of Fraser River, British Columbia, sockeye salmon stocks to the mixed-stock sockeye salmon fish- eries of Southeast Alaska.\nSTEVEN IGNELL travelled to Petropavlovsk, Magadan, and Khabarovsk, Russia, at the invita- tion of the Russian Government, to visit salmonid research facilities on the Kamchatka Peninsula.\nWILLIAM KARP returned to the AFSC after a 1-year assignment at the Marine Research Institute in Bergen, Norway, where he collab- orated with Norwegian scientists on the improvement of acoustic assessment techniques and inves- tigated factors that influence the accuracy of trawl and acoustic sur- veys.\nDAN WALDECK participated in the second leg of the Taiwan Marine Fisheries Institute's annual North Pacific Ocean albacore coopera- tive research cruise. The cruise, conducted aboard the Taiwanese research vessel Hai Kung, used longline gear to investigate the dis- tribution of tuna and billfish stocks in the North Pacific Transition Zone.\nROGER GENTRY lectured on northern fur seal biology twice to students on St. George Island, Alaska.\nMARK WILKINS participated as a member of the Canadian Depart- ment of Fisheries and Oceans' Pa- cific Stock Assessment Review Committee, reviewing the shelf rockfish stock assessment docu-\nAFSC Quarterly Report\n23\n,\n1\nments authored by scientists of the Pacific Biological Station in Nanaimo, British Columbia.\nMEETINGS AND PRESENTATIONS\nRICE attended the inaugural meet- ing of the Marine Research Board for the Alaska Region.\nRICE travelled to Anchorage to at- tend the Exxon Valdez National Re- search Damage Assessment Trustee Meeting and to represent the NMFS at a meeting with Alaska Senator Arliss Sturgulewski about the structure and goals of an en- dowment fund that would support scientific studies using Exxon Val- dez settlement funds. RICE also attended the Exxon Valdez Resto- ration Team Meetings.\nMOLES and LOVE attended the Annual Fish Disease Meeting in Parksville, British Columbia, where LOVE presented the paper \"Sea- sonal, Histopathology, and Spe- cies Specificity of Bitter Crab Disease,\" and MOLES presented \"Physiological Effects of the Brain Parasite Myxobolus articus on Sockeye Salmon Smolts.\"\nBABCOCK gave a presentation at the joint Japan-U.S .- Russia semi- nar held at the Juneau Center for Fisheries and Ocean Sciences, University of Alaska Fairbanks ti- tled \"Exxon Valdez - Damage As- sessment Studies.\" At the same seminar, IGNELL presented \"Sub- arctic Frontal Zone Studies\" and CLAIR NOLL presented \"Genetic Variation in Asian Even-Year Pink Salmon.\"\nSNYDER attended the Western Di- vision Meeting of the American Fisheries Society at Fort Collins, Colorado, where he presented \"Exxon Valdez Oil Spill: Overview\nof Impact Studies from the Auke Bay Fisheries Laboratory.\"\nMICHAEL DAHLBERG travelled to Seattle to serve on the selection review board for award of contract to do ecological research on spe- cies potentially impacted by high- seas driftnet fisheries.\nFUJIOKA attended the North Pa- cific Fishery Management Council's (NPFMC) Groundfish Plan Team Meeting held in Seattle.\nHELLE AND BABCOCK attended the annual Board of Control Meet- ing of the American Institue of Fish- ery Research Biologists in Rapid City, South Dakota. BABCOCK presented \"The Exxon Valdez Nat- ural Resource Damage Assess- ment: Auke Bay Laboratory Experience.\"\nIGNELL attended a Chinook Tech- nical Committee Meeting of the PSC in Seattle.\nJAMES MURPHY gave a seminar titled \"Salmon-Seamount Interac- tions in the Central North Pacific\" at the Juneau Center for Fisheries and Ocean Sciences, University of Alaska Fairbanks.\nJON HEIFETZ participated in the NPFMC Gulf of Alaska Groundfish Plan Team deliberations on slope rockfish assessment during the team meeting at the Alaska Fisher- ies Science Center (AFSC). HEIFETZ explained the results of his recently completed analyses \"Stock Assessment of Pacific Ocean Perch in the Gulf of Alaska Based on the Stock Synthesis Model.\"\nHEIFETZ and KENNETH KRIE- GER provided information on stock status and habitat prefer- ences of slope rockfish at a meet-\ning of the NPFMC's Rockfish Com- mittee held in Anchorage.\nK KOSKI and MICHAEL MURPHY presented the paper \"Partitioning Salmon Smolt Yield in the Situk River, Alaska, to Predict Effects of Glacial Flooding\" at the 1992 Northeast Pacific Chinook and Coho Salmon Workshop in Boise, Idaho.\nWILLIAM ARON and R.V. MILLER met with the Assistant Secretary of State for Oceans and Environment about Bering Sea marine mammal resources and U.S .- Russian activ- ities.\nMILLER participated in a briefing at Whidbey Island Naval Air Station on acoustic technology and equip- ment and its potential for civilian use. He also gave a short presen- tation at the followup symposium in Seattle on the NMML's acoustic work on cetaceans using Navy acoustic data.\nMILLER met with officials from the Pacific Marine Environmental Lab- oratory to further explore civilian use of of Navy acoustic data and technology.\nJOHN BENGTSON participated in a meeting of the Working Group on Krill, Committee for the Conserva- tion of Antarctic Marine Living Re- sources (CCAMLR), in Punta Arenas, Chile.\nBENGTSON convened and PETER BOVENG presented infor- mation from the NMML Antarctic Research program at the meeting of the CCAMLR Working Group for Ecosystem Monitoring Program (CEMP) in Via del Mar, Chile.\nRICHARD MERRICK and RICH- ARD FERRERO presented infor-\nJuly-August-September 1992\n24\n2\nmation on Steller sea lions at the NPFMC meeting in Anchorage.\nGENTRY gave a talk and chaired a session at the University of Alaska Anchorage on new statistical ap- proaches to analyzing data from time-depth recorders.\nCRAIG ROSE attended the Pacific Fishery Management Council's (PFMC) Legal Gear Committee meeting in Portland.\nGARY STAUFFER attended the Scientific and Statistical Commit- tee (SSC) and general PFMC meetings in Portland, Oregon, and in Millbrae, California.\nWILLIAM FLERX and TOM DARK met with members of the Fleet Re- placement and Modernization Committee at the AFSC. DARK also met with NOAA's Special Pro- gram Office and subcontractors in Seattle to discuss research re- quirements for a new NOAA vessel scheduled to replace the John N. Cobb.\nALLEN SHIMADA met with person- nel at the Senior Scientist's Office at NMFS Headquarters to update and draft the FY 1993 Coastal Fish- eries Ecosystem Program Im- plementation Plan.\nARTHUR KENDALL JR. presented \"Olympic Mudminnow Larvae\" and MORGAN BUSBY presented \"Identification of Larval and Juve- nile Poachers (Agonidae) in the Northeastern Pacific Ocean and Bering Sea\" at the annual meeting of the Gilbert Ichthyological Soci- ety in Mckenzie Bridge, Oregon. RICHARD MARASCO attended a meeting in Juneau with Alaska Re- gional staff members to prepare for the NPFMC's analysis of Amendment 18, which addresses the inshore-offshore allocation of\nwalleye pollock for 1993-95 in the Bering Sea-Aleutian Islands.\nMARASCO attended the NPFMC SSC meeting in Juneau and the General Council Meeting in An- chorage.\nPATRICIA LIVINGSTON presented a membership report to the Inter- national Fisheries Section at the annual meeting of the American Fisheries Society in Rapid City, and VIDAR WESPESTAD pre- sented the paper \"World Fisheries Congress-Overview and Sum- mary.\" ALEX WERTHEIMER, HELLE, and BABCOCK also at- tended the meeting.\nSANDRA LOWE chaired the NPFMC Gulf of Alaska (GOA) Groundfish Plan Team meetings held at the AFSC. JAMES HASTIE, ANNE HOLLOWED, GRANT THOMPSON, and TOM WILDERBUER presented prelimi- nary stock assessments for groundfish species in the GOA.\nLOH-LEE LOW chaired the NPFMC Bering Sea-Aleutian Is- lands Groundfish Plan Team meet- ings. TERRY, QUEIROLO, HASTIE, IANELLI, REBECCA BALDWIN, THOMPSON,and WILDERBUER presented prelimi- nary stock assessments for groundfish species in the BSAI re- gion.\nLOWE attended a Gulf of Alaska Rockfish Technical Committee meeting of the NPFMC in Anchor- age. LOWE, LOW, and RUSSELL NELSON attended the NPFMC meetings in Anchorage.\nRICHARD METHOT chaired and represented the Groundfish Man- agement Team at the PFMC meet- ing in Portland, Oregon.\nMETHOT provided scientific sup- port for the U.S .- Canada Pacific whiting allocation negotiations in Vancouver, B.C.\nMETHOT represented the Groundfish Management Team at the PFMC meeting in Millbrae, Cal- ifornia. KENNETH HENRY also at- tended and presented a report to the council on \"The Status of 1992 Ocean Salmon Fisheries.\" As chairman of the Salmon Technical Team (SST), HENRY presented STT reports on possible Salmon Amendment 11 issues. HENRY gave the same presentations at the PFMC meeting in Portland, Ore- gon.\nHENRY participated in a bilateral U.S .- Canada Chinook Technical Committee meeting in Vancouver, B.C., where several committee re- ports were reviewed.\nNELSON, JANET WALL, and MAR- TIN LOEFFLAD attended a meet- ing of the NPFMC's Observer Oversight Committee in Seattle.\nNELSON attended a meeting of the NPFMC's CAP Committee to discuss prohibited species caps (quotas) on Pacific halibut and other prohibited species.\nHASTIE and QUEIROLO pre- sented papers at the International Institute of Fisheries Economics and Trade Conference in Paris, France. HASTIE presented \"Price Linkages Between Japanese and United States Markets for Sable- fish and Thornyheads\" and \"The Role of Economics in the Develop- ment of Limited Entry Programs: Two Examples From Groundfish Fisheries in the Western United States.\" QUEIROLO presented \"Monopsony, Trade Restrictions, and International Markets for Inter- mediate Seafood Products: The\nAFSC Quarterly Report\n25\nUnited States-Canada Herring Dis- pute\" and \"Cooperative Fishing Ar- rangements Between Coastal Countries and Distant Water Fleets.\"\nHASTIE attended a PFMC Individ- ual Transferable Quota Meeting in Portland, Oregon.\nTERRY presented a paper titled \"Individual Transferable Quotas for the Fixed Gear Sablefish and Hali- but Fisheries off Alaska\" for the Organization for Economic Coop- eration and Development (OECD) Workshop on Individual Transfer- able Quotas in Paris, France.\nTERRY attended the NPFMC meeting in Anchorage.\nTERRY attended the first meeting of the NPFMC Bycatch CAP Com- mittee at the NWFSC.\nHASTIE, QUEIROLO, and TERRY attended part of the West Coast Magnuson Act Workshop held at the AFSC.\nQUEIROLO participated as a tech- nical advisor in two public meet- ings dealing with the use of Contingent Valuation Methodol- ogy within Damage Assessments in connection with the Oil Pollution Act regulations and Exxon Valdez Natural Resource Damage As- sessment effort.\nTAIVO LAEVASTU attended the 15th Session of the Erice Interna- tional Seminar on Planetary Emer- gencies at the invitation of the International Collaboration in Sci- entific Culture (ICSC) -World Lab- oratory in Erice, Italy. LAEVASTU also participated in the Interna- tional Conference on Modeling of Global Climate Change and Vari- ability sponsored by the Max Planck Institute for Meteorology in Hamburg, Germany. LAEVASTU also directed a Project LAND-3 Scientific and Technological Plan-\nning Meeting for the ICSC World Laboratory in Palermo, Italy, where he presented a paper titled \"Inter- actions of Size-Selective Fishing with Variations in Growth Rates of Fish Stocks\" at the 80th Interna- tional Council for the Exploration of the Sea (ICES) meeting in Ros- tock-Warnemunde, Germany. R. V. MILLER participated in the meeting as a U.S. Marine Mammal Committee representative. JIM- MIE TRAYNOR also attended the meeting.\n4\n2\n26\nJuly-August-September 1992\nPUBLICATIONS AND REPORTS BY CENTER AUTHORS\nPUBLICATIONS\nANTONELIS, G. A. , C. W. FOWLER, and J. D. BAKER.\n1992. Studies of juvenile males tagged as pups and resighted during roundups in 1990. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 48-72. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-2.\nBABA , N., and H. KAJIMURA.\n1992. Fish net debris and beach litter on St. Paul Island, Alaska, 1990. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 82-90. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-2.\nBAILEY, K. M., and S. M. SPRING.\n1992. Comparisons of larval, age-0 juvenile and age-2 recruit abundance indices of walleye pollock, Theragra chalcogramma, in the western Gulf of Alaska. Int. Counc. Explor. Sea., J. Mar. Sci. 49:297- 304.\nBAKER, J. D., and M. KIYOTA.\n1992. Census of northern fur seals on Bogoslof, Alaska, 1990. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 91-94. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-2.\n1\nBURD, M. A., J. T. HARVEY, and G. A. ANTONELIS.\n1992. Enteric bacterial pathogens associated with northern fur pups on the Pribilof Islands and at Medny Island, U.S.S.R. In H. Kajimura and E. Sinclair (edi- tors), Fur seal investigations, 1990, p. 73-81. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-2.\nDELONG, R. L., and S. R. MELIN.\n1992. Population and behavioral studies, San Mi- guel Island, California (Adams Cove and Castle Rock). In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 95-96. U.S. Dep. Com- mer., NOAA Tech. Memo. NMFS-AFSC-2.\nDORN, M. W.\n1992. Detecting environmental covariates of Pacific whiting Merluccius productus growth using a growth- increment regression model. Fish. Bull., U.S. 90:260- 275.\nEBBESMEYER, C. C., and W. J. INGRAHAM, JR.\n1992. Shoe spill in the north Pacific. EOS, Trans. Am. Geophys. Union 73(34): 361-368.\nEILER, J. H.\n1989. Use of radio telemetry for studying fish in large turbid rivers, p. 205-209. In C. J. Amlaner, Jr., (edi- tor), Biotelemetry X, Proceedings of the Tenth Inter- national Symposium on Biotelemetry. Univ. Arkansas Press, Fayetteville.\nFOWLER, C. W., and N. BABA.\n1992. Entanglement studies, St. Paul Island, 1990; juvenile male northern fur seals. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 99-120. U.S. Dep. Commer. NOAA Tech. Memo. NMFS-AFSC-2.\nFOWLER, C. W., and D. B. SINIFF.\n1992. Determining population status and the use of biological indices for the management of marine mammals. In D.R. Mccullough and R. H. Reginald (editors), Wildlife 2001: populations, p. 1051-1061. Elsevier Science Publishers, London, England.\nGENTRY, R.L., and G.A. ANTONELIS.\n1992. U.S. land-based research in the U.S.S.R. in 1990. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 97-98. U.S. Dep. Commer. NOAA Tech. Memo. NMFS-AFSC-2.\nHEINTZ, R., and J. JOYCE.\n1992. Small vertical raceways for rearing juvenile salmon. Prog. Fish-Cult. 54:105-108.\nHOBBS, R. C., L. W. BOTSFORD, and A. THOMAS.\n1992. Influence of hydrographic conditions and wind forcing on the distribution and abundance of Dungeness crab, Cancer magister, larvae. Can. J. Fish. Aquat. Sci. 49:1379-1388.\nINSLEY, S. J.\n1992. Impact of airborne noise on northern fur seals in the Pribilof Islands, Alaska: a preliminary assess- ment. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 27-47. U.S. Dep. Com- mer., NOAA Tech. Memo. NMFS-AFSC-2.\nKAJIMURA, H.\n1992. Introduction. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 1-8. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-2.\nJuly-August-September 1992\n27\nLOUGHLIN, I. R., A. S. PERLOV, and V. A. VLADIMIROV.\n1992. Range-wide survey and estimation of total numbers of Steller sea lions in 1989. Mar. Mammal Sci. 8:220-239.\nMILLER, G. W., R. A. ROBINS, W. R. KOSKI, M. J. CRONE, D. J. RUGH, D. E. WITHROW, and M. A. FRAKER.\n1992. Calving intervals of bowhead whales - an analysis of photographic data. Rep. Int. Whaling. Comm. 42: 501-506.\nOLLA, B. L., and M. W. DAVIS.\n1992. Phototactic responses of unfed walleye pol- lock, Theragra chalcogramma larvae: comparisons with other measures of condition. Environ. Biol. Fishes. 35:105.\nRAGEN, T. J., and C. W. FOWLER.\n1992. A review of northern fur seal population mod- eling. In D.R. Mccullough and R. H. Reginald (edi- tors), Wildlife 2001: populations, p. 1051-1061. Elsevier Science Publishers, London, England.\nRAU, G. H., D. G. AINLEY, J. L. BENGTSON, J. J. TORRES, and T. L. HOPKINS.\n1992. 15N/14N and 13C/12C in Weddell Sea birds, seals, and fish: implications for diet and trophic struc- ture. Mar. Ecol. Prog. Ser. 84:1-8.\nRUGH, D., H. W. BRAHAM, and G. W. MILLER.\n1992. Methods for photographic identification of bowhead whales Balaena mysticetus. Can. J. Zool. 70(3):617-624.\nRUGH, D. J., G. W. MILLER, D. E. WITHROW, and W. R. KOSKI.\n1992. Calving intervals of bowhead whales estab- lished through photographic identifications. J. Mam- mal. 73(3): 487-490.\nSIMMONDS, E. J., N. J. WILLIAMSON, F. GERLOTTO, and A. AGLEN.\n1992. Acoustic survey design and analysis proce- dure: a comprehensive review of current practice. Int. Counc. Explor. Sea Coop. Res. Rep. 187, 131 p.\nSOMERTON, D. A., and D. R. KOBAYASHI.\n1992. Inverse method for mortality and growth estimation: a new method for larval fishes. Fish. Bull., U.S. 90 : 368-375.\nWILKINS, M. E.\n1992. How the biology of Pacific whiting might constrain the development and stability of the fishery, p. 91-95. In G. Sylvia and M.T. Morrissey (editors), Pacific whiting: harvesting, processing, marketing, and quality assurance. Proceedings of a workshop held March 30-31, 1992, Oregon State University, Newport, Oregon, Sea Grant Rep. ORESU-W-92-001.\nYORK, A. E., and C. W. FOWLER.\n1992. Population assessment, Pribilof Islands, Alaska. In H. Kajimura and E. Sinclair (editors), Fur seal investigations, 1990, p. 9-26. U.S. Dep. Com- mer., NOAA Tech. Memo. NMFS-AFSC-2.\nTECHNICAL MEMORANDUMS1\nJOHNSON, P. A., S. D. RICE, and M. M. BABCOCK.\n1992. Impacts of oil pollution and Prince William Sound studies: bibliography of 1960-91 publications and reports, Auke Bay Laboratory, 98 p. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-3.\nPROCESSED REPORTS2\nFERRERO, R. C., and C. W. FOWLER (editors)\n1992. Survey designs for assessment of harbor porpoise and harbor seal populations in Oregon, Washington, and Alaska. Processed Report 92-03, Alaska Fisheries Science, NMFS, NOAA, 7600 Sand Point Way NE., Seattle, WA 98115, 101 p.\n1The NOAA TECHNICAL MEMORANDUM series NMFS AFSC (formerly F/NWC) is a Center publication which has a high level of peer review and editing. Technical Memorandum reflect sound professional work and may be cited as publications. Copies may be ordered from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Road, Springfield, VA 22161.\n2The AFSC PROCESSED REPORT series is not formally reviewed and individual reports do not constitute publications. The re- ports are for information only and a limited number of copies are available from the author.\nAFSC Quarterly Report\n28\n1\n1\n\nU.S. DEPARTMENT OF COMMERCE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION NATIONAL MARINE FISHERIES SERVICE Alaska Fisheries Science Center 7600 Sand Point Way N.E. Bin C15700 Seattle, Washington 98115-0070\nOFFICIAL BUSINESS\nU.S. OFFICIAL MAIL U.S. POSTAGE\nSEATTLE\nDEC 1 92\nPENALTY FOR PRIVATE USE $300\n$0.98\nCMETER 520293\nHASH\nDIRECTOR TIBURON FISHERIES LABORATORY NMFS NOAA 3150 PARADISE DRIVE TIBURON CA 94920",
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                    "content": "rockfish",
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                    "content": "Quarterly",
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                    "content": "An Overview",
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                    "content": "in waters off Alaska is hampered by limited informa-",
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                    "content": "tion and considerable uncertainty as to current stock",
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                    "content": "abundance and long-term productivity. With the ex-",
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                    "content": "ception of Pacific ocean perch (S. alutus), relatively",
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                    "content": "important rockfish species. This lack of information,",
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                    "content": "for the deeper-water and more commercially valuable",
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                    "content": "species such as shortraker (S. borealis) and",
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                    "content": "rougheye (S. aleutianus) rockfish, prompted the",
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                    "content": "Alaska Fisheries Science Center's (AFSC) Rockfish",
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                {
                    "content": "Working Group (RWG) to develop a comprehensive",
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                    "content": "working plan to improve rockfish stock assessments",
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                    "content": "and management recommendations.",
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                    "content": "Resource Ecology and Fisheries Management",
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                    "content": "vation Engineering (RACE) Division, Auke Bay Labo-",
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                    "content": "ratory (ABL), and the University of Washington (UW),",
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                    "content": "the RWG completed a draft working plan in April 1991",
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                    "content": "which identifies, develops, and prioritizes specific",
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                    "content": "the potential sources of bias and uncertainty in the",
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                    "content": "population dynamics of rockfish stocks. The ap-",
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                    "content": "analytical methods which would improve the two key",
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                    "content": "components that comprise an estimate of ABC -- ex-",
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                    "content": "Initial Observations Aboard Commercial",
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                    "content": "their harvesting and processing operations. Scien-",
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                    "content": "cies composition of the catch (Fig. 1), information that",
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                    "content": "Many rockfish species are associated directly with the",
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                    "content": "certain times of the day or night. Therefore, an eval-",
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                    "content": "uation of rockfish behavior, particularly with regard to",
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                    "content": "determine the feasibility of using hydroacoustics as a",
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                    "content": "direct means of estimating rockfish biomass.",
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                    "content": "suited to in situ observations, the RWG chartered the",
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                    "content": "(Fig. 2) for 10 days during the study. Thirty-three",
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                    "content": "Southeast Alaska to depths of 365 m. All observa-",
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                    "content": "were also recorded by an external 35-mm still camera.",
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                    "content": "substrates, fish fauna, and behavior along the upper",
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                    "content": "preliminary results of this cruise expected by year's",
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                    "content": "Analysis of Available Research and Fishery",
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                    "content": "Information",
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                    "content": "The AFSC houses large quantities of data on fish-",
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                    "content": "eries research and commercial fisheries recorded",
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                    "content": "since the early 1960s. This information is perhaps",
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                    "content": "July-August-September 1992",
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                    "spans": [
                        {
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                    ]
                },
                {
                    "content": "search trawi survey database, the International North",
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                },
                {
                    "content": "Pacific Fisheries Commission (INPFC) foreign re-",
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                {
                    "content": "ported database, and the U.S. Fisheries Observer",
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                {
                    "content": "Program foreign and domestic databases have been",
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                {
                    "content": "queried and the pertinent information extracted. In-",
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                {
                    "content": "formation extracted includes sampling locations by",
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                            "offset": 9981,
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                    ]
                },
                {
                    "content": "longitude and latitude, depth sampled, time fished,",
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                    ]
                },
                {
                    "content": "and gear used; environmental information such as",
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                },
                {
                    "content": "water temperature and salinity; and biological data",
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                },
                {
                    "content": "such as size, sex, age, and maturity.",
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                    ]
                },
                {
                    "content": "Although not yet complete, the rockfish database",
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                },
                {
                    "content": "is already being used by REFM and ABL stock assess-",
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                {
                    "content": "ment scientists to produce the stock assessments of",
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                    ]
                },
                {
                    "content": "Pacific ocean perch in the eastern Bering Sea, Aleu-",
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                    ]
                },
                {
                    "content": "tian Islands, and Gulf of Alaska. All of the available",
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                {
                    "content": "size, age, catch, and effort information from research",
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                {
                    "content": "surveys and the commercial fishery were extracted,",
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                },
                {
                    "content": "analyzed, and summarized for inclusion in the 1992",
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                {
                    "content": "stock assessments. This task would have been quite",
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                    ]
                },
                {
                    "content": "cumbersome without access to the rockfish",
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                {
                    "content": "database. Scientists from the REFM Division are also",
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                },
                {
                    "content": "using the rockfish database to extract, summarize,",
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                },
                {
                    "content": "and document the locations and harvest levels of",
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                    ]
                },
                {
                    "content": "Pacific ocean perch from the early 1960s to the pres-",
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                },
                {
                    "content": "ent. The database will eventually be interfaced with",
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                    ]
                },
                {
                    "content": "mapping and statistical software to generate interac-",
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                            "offset": 10994,
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                    ]
                },
                {
                    "content": "tive screen maps and data summaries based on se-",
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                            "offset": 11048,
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                    ]
                },
                {
                    "content": "lection criteria such as depth, gear type, season,",
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                            "offset": 11097,
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                },
                {
                    "content": "water temperature, salinity, etc. This new technol-",
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                {
                    "content": "ogy should improve the sampling design and allow",
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                {
                    "content": "for more efficient stratification of future rockfish sur-",
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                {
                    "content": "veys.",
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                {
                    "content": "Stock Identification Studies",
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                    "content": "Coastwide movements of adult rockfish are gen-",
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                },
                {
                    "content": "erally assumed to be minimal; however, lack of con-",
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                },
                {
                    "content": "firmation or evaluation of this assumption contributes",
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                {
                    "content": "to uncertainty in survey results and management",
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                    "content": "recommendations. Moreover, little is known about",
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                    "content": "the discreteness of rockfish stocks in time and space.",
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                    "content": "Separation of fish stocks into discrete entities is rec-",
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                    "content": "ognized as a prerequisite to rational management of",
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                {
                    "content": "fisheries. Therefore, the RWG has developed a num-",
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                    "content": "ber of research activities to determine the discrete-",
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                    "content": "ness of rockfish stocks and to determine if rockfish",
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                    "content": "populations undertake extensive coastwide move-",
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                {
                    "content": "ments.",
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                {
                    "content": "The RWG has begun identifying and delineating",
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                },
                {
                    "content": "the stock structure of rougheye and shortraker rock-",
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                {
                    "content": "fish. Scientists at the ABL are currently examining 200",
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                    "content": "samples of these species for the presence of para-",
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                {
                    "content": "sites. The prevalence and intensity of parasites has",
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                },
                {
                    "content": "proven useful as a biological tag for separating stocks",
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                },
                {
                    "content": "of rockfish species. The specimens for the current",
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                    ]
                },
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                    "content": "study were collected from five INPFC areas during the",
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                    "content": "1991 NMFS Longline Survey of the Gulf of Alaska.",
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                {
                    "content": "Initial autopsies suggest that there is little movement",
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                {
                    "content": "between the areas for either species. It is hoped that",
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                    "content": "some parasites, which are easily identified and",
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                {
                    "content": "quickly sampled, will be found to serve as future stock",
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                    "content": "separation markers. Morphometric measurements",
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                    "content": "from these specimens are also being recorded as a",
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                    "content": "further means of identifying discrete stocks and local",
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                    "content": "aggregations.",
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                    "content": "More refined stock differentiation techniques are",
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                    "content": "mitochondrial DNA analysis. Recently, tissue sam-",
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                    "content": "ples (eyeball, liver, and muscle) were collected for",
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                    "content": "electrophoretic analysis from shortraker and",
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                    "content": "rougheye rockfish taken from the area ranging from",
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                    "content": "the southern coast of Washington to the northern tip",
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                    "content": "of Vancouver Island, British Columbia. These sam-",
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                    "content": "ples were collected by scientists aboard the NOAA",
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                    "content": "ship Miller Freeman during the 1992 West Coast",
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                    "content": "hydroacoustic survey of Pacific whiting (Fig. 3). The",
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                    "content": "samples are currently stored in a special deep-freeze",
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                    "content": "freezer at the AFSC until funds can be allocated for",
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                    "content": "processing and analyzing the samples. Also during",
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                    "content": "this cruise, detailed morphometric measurements",
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                {
                    "content": "and meristic counts were recorded from each speci-",
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                {
                    "content": "men.",
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                    "content": "Age and Growth Studies",
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                    "content": "Knowledge of the age composition and growth",
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                {
                    "content": "characteristics of a fish population is essential for",
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                    "content": "good resource management. However, accurate",
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                {
                    "content": "age and growth information for many of the econom-",
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                    ]
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                {
                    "content": "ically important rockfish species is lacking. The RWG",
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                {
                    "content": "recently completed developing the ageing criteria",
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                {
                    "content": "and technique for production readings of rougheye",
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                },
                {
                    "content": "rockfish otoliths (ear bones), the bony structures",
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                },
                {
                    "content": "used to age the fish. Based on the resulting ages,",
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                {
                    "content": "growth parameters have been estimated and will be",
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                {
                    "content": "useful in future analytical stock assessments of this",
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                    ]
                },
                {
                    "content": "AFSC Quarterly Report",
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                    "content": "3",
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            ],
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            ]
        },
        {
            "pageNumber": 7,
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                {
                    "content": "resource.",
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                    "confidence": 0.993,
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                },
                {
                    "content": "The",
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                {
                    "content": "methodology",
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                {
                    "content": "for",
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                {
                    "content": "reading",
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                {
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                {
                    "content": "rockfish",
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                    "content": "will",
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                    "content": "extended",
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                {
                    "content": "Also,",
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                    "content": "a",
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                    "content": "resource. The methodology for reading rougheye",
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                    "spans": [
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                {
                    "content": "rockfish otoliths will be extended to shortraker rock-",
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                    "content": "fish. Also, a comparative study of shortspine",
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                {
                    "content": "thornyhead ageing structures is currently under way.",
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                    "content": "This study examines the utility and validity of various",
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                },
                {
                    "content": "ageing structures, such as otoliths, fin-rays, scales",
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                {
                    "content": "and opercles. Finally, the RWG is funding a 1-year",
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                    "content": "research contract with the University of Washington",
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                {
                    "content": "to evaluate the feasibility of radiometrically ageing six",
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                {
                    "content": "rockfish species: Pacific ocean perch, shortspine",
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                    "content": "thornyheads, and rougheye, shortraker, dusky, and",
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                {
                    "content": "northern rockfishes. The longevity of some rockfish",
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                {
                    "content": "species has been estimated to be as much as 140",
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                {
                    "content": "years, though those estimates have yet to be inde-",
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                    "content": "pendently validated. Results of the radiometric age-",
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                    "content": "ing study should provide such an independent test of",
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                },
                {
                    "content": "the longevity estimates of the key rockfish species.",
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                {
                    "content": "Hydroacoustics Research",
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                {
                    "content": "Hydroacoustic techniques show great promise for",
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                },
                {
                    "content": "improving rockfish stock assessments in two funda-",
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                },
                {
                    "content": "mental ways. First, as an efficient means for deter-",
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                {
                    "content": "mining and quantifying bottom relief and substrate",
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                {
                    "content": "type for purposes of habitat identification and stratifi-",
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                    "content": "cation; and secondly, as a noninvasive means for",
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                },
                {
                    "content": "directly estimating rockfish abundance.",
                    "polygon": [
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                },
                {
                    "content": "One problem with trawl surveys in the North Pa-",
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                {
                    "content": "cific Ocean is how to deal with sizeable tracts of",
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                {
                    "content": "untrawlable ground. Currently, these tracts are in-",
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                    "content": "cluded in regionwide estimates of absolute abun-",
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                    "content": "dance even though these areas are not sampled",
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                {
                    "content": "during the survey. This approach may lead to over-",
                    "polygon": [
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                    "content": "estimation or underestimation of abundance, de-",
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                {
                    "content": "pending on habitat preferences and behavior of the",
                    "polygon": [
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                {
                    "content": "various species. At this point, untrawlable areas can-",
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                    "content": "not be excluded from the biomass estimates because",
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                {
                    "content": "it is simply not known how large the areas are; so for",
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                {
                    "content": "now, the bias imposed by untrawlable bottom cannot",
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                {
                    "content": "be corrected. Appropriate hydroacoustic hardware",
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                {
                    "content": "and software that defines bottom roughness would",
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                {
                    "content": "provide a potentially cost-effective, quantitative clas-",
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                {
                    "content": "sification and mapping system of specific rockfish",
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                },
                {
                    "content": "habitats. The size and type of these habitats could",
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                {
                    "content": "then be explicitly incorporated into the biomass cal-",
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                {
                    "content": "culations to produce a more accurate estimate.",
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                {
                    "content": "The RWG is also exploring the utility of hydro-",
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                {
                    "content": "acoustic approaches for directly assessing rockfish",
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                {
                    "content": "abundance. Rockfish are an ideal acoustic target due",
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                },
                {
                    "content": "to their large, closed swimbladder. However, only",
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                {
                    "content": "off-bottom targets can be readily detected with preci-",
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                {
                    "content": "sion. As mentioned before, many rockfish species",
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                    "content": "are known to associate directly with the bottom. An",
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                {
                    "content": "evaluation of rockfish behavior, particularly with re-",
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                    "content": "gard to their on- and off-bottom distribution, is neces-",
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                {
                    "content": "sary to determine the feasibility of using hydroacous-",
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                {
                    "content": "tic techniques as a noninvasive means of directly",
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                {
                    "content": "measuring absolute or relative abundance of rockfish",
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                },
                {
                    "content": "stocks.",
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                    "content": "The RWG has submitted a research proposal to",
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                    "content": "the National Undersea Research Program (NURP) for",
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                    "content": "rent with the submersible surveys to determine abun-",
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                    "content": "dance and spatial distribution of Pacific ocean perch",
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                    "content": "within the same area, 3) to quantify the behavioral and",
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                    "content": "distributional response of Pacific ocean perch to the",
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                    "content": "submersible, and 4) to compare estimates of Pacific",
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                    "content": "ocean perch abundance and distributional patterns",
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                    "content": "based on the submersible and hydroacoustic sur-",
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                    "content": "veys. Funding should be determined by January",
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                    "content": "1993.",
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                    "content": "Also, the RWG has provided funding for an acous-",
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                    "content": "tics specialist in the RACE Division to conduct a",
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                    "content": "feasibility study of employing hydroacoustic ap-",
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                    "content": "proaches for rockfish stock assessments and habitat",
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                    "content": "typing. A report of the findings and recommenda-",
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                    "content": "tions will be available to the RWG by the end of 1992.",
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                    "content": "quantitatively evaluating the condition of exploited",
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                    "content": "stocks and for measuring the impact of various ex-",
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                    "content": "ploitation patterns. These models aid the decision-",
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                    "content": "making process in three major ways. First, a wide",
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                    "content": "range of management alternatives can be readily",
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                    "content": "and question. The RWG realizes that stock assess-",
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                    "content": "main avenue for generating estimates of optimal ex-",
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                    "content": "synthesis (SS) model, are necessary for optimizing",
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                    "content": "of birth, and gonadal somatic index (GSI) information",
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                    "content": "morphometric measurements, and meristic counts aboard the Miller",
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                    "content": "Future Directions",
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                    "content": "The original RWG working plan drafted in April",
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                    "content": "1991 identifies additional studies that would contrib-",
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                    "content": "ments and management recommendations. Due to",
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                    "content": "funding limitations, many of these research endeav-",
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                    "content": "early life history and recruitment processes, examina-",
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                    "content": "tion of the utility of adaptive management ap-",
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                    "content": "proaches, and analyses of rockfish assemblages. A",
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                    "content": "detailed report summarizing the current progress and",
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                    "content": "major accomplishments of the RWG is being drafted",
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                    "content": "and is expected to be completed by the end of Janu-",
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                    "content": "ing pink salmon eggs in oiled",
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                    "content": "ing fry to maturity. Mature salmon",
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                    "content": "will be spawned to evaluate the",
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                    "content": "effect of substrate oiling on fertility.",
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                {
                    "content": "The study was initiated because",
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                    "content": "genetic damage to the 1989-brood",
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                    "content": "stock of pink salmon in Prince Wil-",
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                {
                    "content": "liam Sound is believed to have",
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                    "content": "caused relatively high egg mortal-",
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                {
                    "content": "ities in 1991. The Alaska Depart-",
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                {
                    "content": "ment of Fish and Game's (ADF&G)",
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                    "content": "comparisons of eggs from oiled",
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                {
                    "content": "and control streams in 1991, in-",
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                    "content": "cluding eggs spawned in the fresh-",
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                {
                    "content": "water zone above the oil-affected",
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                {
                    "content": "intertidal zone, revealed higher",
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                {
                    "content": "mortality rates in oiled streams.",
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                },
                {
                    "content": "The study at Little Port Walter is in",
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                            "offset": 23244,
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                },
                {
                    "content": "cooperation with the ADF&G,",
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                },
                {
                    "content": "which will continue with a field",
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                },
                {
                    "content": "component in 1993. The ABL tests",
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                    ]
                },
                {
                    "content": "will not be concluded until the cur-",
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                    ]
                },
                {
                    "content": "rent eggs mature as adults in 1994.",
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                },
                {
                    "content": "The preceding information",
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                {
                    "content": "was provided by RONALD",
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                },
                {
                    "content": "HEINTZ.",
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                },
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                    "content": "Field Trip to Glacier Bay, Alaska",
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                    "content": "Members of the ABL travelled",
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                {
                    "content": "to Glacier Bay, Alaska, to partici-",
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                {
                    "content": "pate in a joint sampling cruise with",
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                },
                {
                    "content": "representatives of the National",
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                {
                    "content": "Park Service and the Juneau Cen-",
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                },
                {
                    "content": "ter for Fisheries and Ocean Sci-",
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                    "content": "ences of the University of Alaska",
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                    "content": "Fairbanks. The cruise was part of",
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                    "content": "a study to determine the effects of",
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                {
                    "content": "the commercial Dungeness crab",
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                {
                    "content": "fishery on Dungeness crab popu-",
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                {
                    "content": "lation structure in Glacier Bay. The",
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                    "content": "fishery is scheduled to be closed in",
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                {
                    "content": "the wilderness-designated part of",
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                {
                    "content": "Glacier Bay National Park at the",
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                },
                {
                    "content": "end of the 1992 commercial sea-",
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                {
                    "content": "son for Dungeness crab in South-",
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                {
                    "content": "east Alaska. The September",
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                {
                    "content": "sampling cruise was the second of",
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                    "content": "two sampling cruises this year.",
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                {
                    "content": "Crabs were sampled previously on",
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                {
                    "content": "6-12 April 1992. The purpose of",
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                {
                    "content": "the September trip was to obtain",
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                },
                {
                    "content": "additional information on the",
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                },
                {
                    "content": "structure of the Dungeness crab",
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                {
                    "content": "populations in the park prior to the",
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                },
                {
                    "content": "fishery closure. Crabs were col-",
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                    "content": "lected with commercial crab pots",
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                    "content": "and by hand along subtidal tran-",
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                    "content": "sects sampled by divers. A total of",
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                },
                {
                    "content": "3,425 crabs were processed from",
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                    "content": "250 pot sets and 75 diver transects",
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                },
                {
                    "content": "at five locations in and adjacent to",
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                    "spans": [
                        {
                            "offset": 24605,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "Glacier Bay National Park.",
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                    "spans": [
                        {
                            "offset": 24642,
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                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        5.2307,
                        5.1518,
                        5.2307,
                        5.3052,
                        3.3657,
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                    "spans": [
                        {
                            "offset": 24669,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by CHARLES O'CLAIR.",
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                    "spans": [
                        {
                            "offset": 24699,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "Juvenile Pink Salmon Sampled in",
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                    "spans": [
                        {
                            "offset": 24728,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Icy Strait",
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                    "spans": [
                        {
                            "offset": 24760,
                            "length": 10
                        }
                    ]
                },
                {
                    "content": "The Early Ocean Salmon Task",
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                    "spans": [
                        {
                            "offset": 24771,
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                    ]
                },
                {
                    "content": "tested two types of sampling gear",
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                    "spans": [
                        {
                            "offset": 24799,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "to capture juvenile salmon, partic-",
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                            "offset": 24833,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "ularly pink salmon, from the NOAA",
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                            "offset": 24869,
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                    ]
                },
                {
                    "content": "research vessel John N. Cobb in",
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                            "offset": 24903,
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                    ]
                },
                {
                    "content": "Icy Strait on 29 July to 3 August. A",
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                    ]
                },
                {
                    "content": "primary objective of the trials was",
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                        {
                            "offset": 24972,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "to determine an effective means",
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                    "spans": [
                        {
                            "offset": 25008,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "for sampling juvenile pink salmon",
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                    "spans": [
                        {
                            "offset": 25040,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "with suitable scales to use for fore-",
                    "polygon": [
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                            "offset": 25074,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "casting subsequent marine sur-",
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                        {
                            "offset": 25112,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "vival. A two-boat surface trawl and",
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                    "spans": [
                        {
                            "offset": 25143,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "small-mesh monofilament gill nets",
                    "polygon": [
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                        }
                    ]
                },
                {
                    "content": "were fished concurrently for 5",
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                            "offset": 25213,
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                        }
                    ]
                },
                {
                    "content": "nights. The 3- x 6-m trawl was",
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                            "offset": 25244,
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                        }
                    ]
                },
                {
                    "content": "typically fished to 3 m deep at",
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                            "offset": 25275,
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                        }
                    ]
                },
                {
                    "content": "speeds of 1.0, 1.5, and 2.0 knots.",
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                            "offset": 25307,
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                    ]
                },
                {
                    "content": "The gill net was 200-300 m long, 6",
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                            "offset": 25342,
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                    ]
                },
                {
                    "content": "m deep, with 24- to 42-mm panels",
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                            "offset": 25377,
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                },
                {
                    "content": "of stretch mesh. Each night, up to",
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                            "offset": 25410,
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                },
                {
                    "content": "seven 15-minute trawls and 6",
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                            "offset": 25445,
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                    ]
                },
                {
                    "content": "hours of gillnetting were accom-",
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                    ]
                },
                {
                    "content": "plished.",
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                            "offset": 25507,
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                    ]
                },
                {
                    "content": "In total, the trawl caught 177",
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                            "offset": 25516,
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                        }
                    ]
                },
                {
                    "content": "juvenile pink salmon and the gill",
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                    ]
                },
                {
                    "content": "nets caught 64. About half the",
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                    ]
                },
                {
                    "content": "trawl-caught fish had lost many",
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                    ]
                },
                {
                    "content": "scales during capture, while the",
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                    ]
                },
                {
                    "content": "fish caught by gill net had most of",
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                            "offset": 25677,
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                    ]
                },
                {
                    "content": "their scales. Both sampling gears",
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                    ]
                },
                {
                    "content": "yielded 10- to 21-cm pink salmon",
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                    ]
                },
                {
                    "content": "which averaged 14.5 cm. In addi-",
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                    ]
                },
                {
                    "content": "tion to pink salmon, 100 coho",
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                    ]
                },
                {
                    "content": "salmon, 78 chum salmon, 55 sock-",
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                        {
                            "offset": 25843,
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                        }
                    ]
                },
                {
                    "content": "eye salmon, and 2 chinook salmon",
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                            "offset": 25876,
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                    ]
                },
                {
                    "content": "were captured. Over 82% of the",
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                            "offset": 25909,
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                    ]
                },
                {
                    "content": "pink salmon caught by gill net were",
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                            "offset": 25940,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "in the top 4 m of the net; this study",
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                },
                {
                    "content": "and others suggest that juvenile",
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                            "offset": 26014,
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                    ]
                },
                {
                    "content": "salmon are concentrated at the",
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                        }
                    ]
                },
                {
                    "content": "surface for at least their first 4",
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                            "offset": 26078,
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                    ]
                },
                {
                    "content": "months at sea. The fishing method",
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                            "offset": 26113,
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                },
                {
                    "content": "ultimately needed for sampling ju-",
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                            "offset": 26147,
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                    ]
                },
                {
                    "content": "venile pink salmon must minimize",
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                        {
                            "offset": 26182,
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                        }
                    ]
                },
                {
                    "content": "the size of crew and vessel needed",
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                        {
                            "offset": 26215,
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                    ]
                },
                {
                    "content": "to capture the fish.",
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                    "spans": [
                        {
                            "offset": 26250,
                            "length": 20
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        7.4553,
                        4.9889,
                        7.4553,
                        5.1422,
                        5.5567,
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                    ],
                    "spans": [
                        {
                            "offset": 26271,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by HERBERT JAENICKE",
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                    "spans": [
                        {
                            "offset": 26301,
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                        }
                    ]
                },
                {
                    "content": "and JOSEPH ORSI.",
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                    "spans": [
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                            "offset": 26330,
                            "length": 16
                        }
                    ]
                },
                {
                    "content": "Canadian Beam Trawl Operation",
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                            "offset": 26347,
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                    ]
                },
                {
                    "content": "Observed",
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                    "spans": [
                        {
                            "offset": 26377,
                            "length": 8
                        }
                    ]
                },
                {
                    "content": "ABL staff, invited by the Cana-",
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                    "spans": [
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                            "offset": 26386,
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                    ]
                },
                {
                    "content": "dian Department of Fisheries and",
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                },
                {
                    "content": "Oceans, traveled to British Colum-",
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                    ]
                },
                {
                    "content": "bia to observe beam trawl sam-",
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                    "content": "juvenile salmon off the west coast",
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                    "content": "capturing juvenile salmon at sea.",
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                    "content": "transect to 40 nmi offshore, and",
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                    "confidence": 0.998,
                    "span": {
                        "offset": 32091,
                        "length": 2
                    }
                },
                {
                    "content": "RICHARD",
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                    "confidence": 0.993,
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                    }
                },
                {
                    "content": "HAIGHT.",
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                    "confidence": 0.983,
                    "span": {
                        "offset": 32102,
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                    }
                },
                {
                    "content": "AFSC",
                    "polygon": [
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                    "confidence": 0.99,
                    "span": {
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                        "length": 4
                    }
                },
                {
                    "content": "Quarterly",
                    "polygon": [
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                    "confidence": 0.992,
                    "span": {
                        "offset": 32115,
                        "length": 9
                    }
                },
                {
                    "content": "Report",
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                        10.1094,
                        2.3766,
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                        1.9556,
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                    "confidence": 0.995,
                    "span": {
                        "offset": 32125,
                        "length": 6
                    }
                },
                {
                    "content": "7",
                    "polygon": [
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                    ],
                    "confidence": 0.994,
                    "span": {
                        "offset": 32132,
                        "length": 1
                    }
                }
            ],
            "lines": [
                {
                    "content": "salmon dominated the catch at",
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                        1.0687,
                        3.0282,
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                    "spans": [
                        {
                            "offset": 27203,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "about 60%; followed by coho",
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                    "spans": [
                        {
                            "offset": 27233,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "salmon and pink salmon, both",
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                    "spans": [
                        {
                            "offset": 27261,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "about 17%; sockeye salmon and",
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                    "spans": [
                        {
                            "offset": 27290,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "chinook salmon, both about 3%;",
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                    "spans": [
                        {
                            "offset": 27320,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "and a few steelhead. In addition to",
                    "polygon": [
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                        3.0234,
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                        3.0234,
                        2.0416,
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                        2.032
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                    "spans": [
                        {
                            "offset": 27351,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "identifying and measuring salmo-",
                    "polygon": [
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                        3.0234,
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                    "spans": [
                        {
                            "offset": 27387,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "nids, ABL staff also enumerated",
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                    "spans": [
                        {
                            "offset": 27420,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "and examined other co-occurring",
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                    "spans": [
                        {
                            "offset": 27452,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "fishes, including potential compet-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 27484,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "itors and predators. The beam",
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                        2.7221,
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                    "spans": [
                        {
                            "offset": 27520,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "trawl gear was determined to be an",
                    "polygon": [
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                        3.0282,
                        2.8898,
                        3.0282,
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                    "spans": [
                        {
                            "offset": 27550,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "effective and innovative sampling",
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                        3.0234,
                        3.0623,
                        3.0234,
                        3.2109,
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                    ],
                    "spans": [
                        {
                            "offset": 27585,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "technique for capturing juvenile",
                    "polygon": [
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                        3.2253,
                        3.0282,
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                    ],
                    "spans": [
                        {
                            "offset": 27619,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "salmonids at sea.",
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                        3.3882,
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                        {
                            "offset": 27652,
                            "length": 17
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        3.5512,
                        3.0234,
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                    "spans": [
                        {
                            "offset": 27670,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by JOSEPH ORSI.",
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                        2.6353,
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                    "spans": [
                        {
                            "offset": 27700,
                            "length": 24
                        }
                    ]
                },
                {
                    "content": "Second Field Trip to Cape",
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                        3.9777,
                        2.482,
                        4.131,
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                    "spans": [
                        {
                            "offset": 27725,
                            "length": 25
                        }
                    ]
                },
                {
                    "content": "Krusenstern",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 27751,
                            "length": 11
                        }
                    ]
                },
                {
                    "content": "Scientists from the ABL trav-",
                    "polygon": [
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                        3.0186,
                        4.5288,
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                    "spans": [
                        {
                            "offset": 27763,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "eled to Kotzebue, Alaska, on 16",
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                    "spans": [
                        {
                            "offset": 27793,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "July to conduct the second year of",
                    "polygon": [
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                        3.0282,
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                    "spans": [
                        {
                            "offset": 27825,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "field work in Cape Krusenstern Na-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 27860,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "tional Monument under an inter-",
                    "polygon": [
                        0.9295,
                        5.056,
                        3.0186,
                        5.0608,
                        3.0186,
                        5.2093,
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                    "spans": [
                        {
                            "offset": 27895,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "agency agreement with the",
                    "polygon": [
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                        3.0234,
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                    "spans": [
                        {
                            "offset": 27927,
                            "length": 25
                        }
                    ]
                },
                {
                    "content": "National Park Service. The objec-",
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                        {
                            "offset": 27953,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "tives of the study were 1) to char-",
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                    "spans": [
                        {
                            "offset": 27987,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "acterize epifaunal and infaunal",
                    "polygon": [
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                        5.7269,
                        3.0186,
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                    ],
                    "spans": [
                        {
                            "offset": 28023,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "components of macrobenthic",
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                        5.8946,
                        3.0186,
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                    ],
                    "spans": [
                        {
                            "offset": 28055,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "communities in representative",
                    "polygon": [
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                        6.0624,
                        3.0282,
                        6.0672,
                        3.0282,
                        6.2205,
                        0.9391,
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                    "spans": [
                        {
                            "offset": 28082,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "coastal lagoons in the monument,",
                    "polygon": [
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                        6.2301,
                        3.009,
                        6.2349,
                        3.009,
                        6.3883,
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                    "spans": [
                        {
                            "offset": 28112,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "2) to measure background levels",
                    "polygon": [
                        0.9391,
                        6.393,
                        3.0234,
                        6.3978,
                        3.0234,
                        6.556,
                        0.9391,
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                    ],
                    "spans": [
                        {
                            "offset": 28145,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "of organic (petroleum hydrocar-",
                    "polygon": [
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                        6.5656,
                        3.0186,
                        6.5656,
                        3.0186,
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                    "spans": [
                        {
                            "offset": 28177,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "bons and coprostanol) and heavy",
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                        6.7333,
                        3.033,
                        6.7381,
                        3.033,
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                    "spans": [
                        {
                            "offset": 28209,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "metal contaminants in lagoon sed-",
                    "polygon": [
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                        6.9058,
                        3.0234,
                        7.0592,
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                    "spans": [
                        {
                            "offset": 28241,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "iments and bivalve tissue, and 3) to",
                    "polygon": [
                        0.9391,
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                        7.0688,
                        3.0282,
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                    "spans": [
                        {
                            "offset": 28275,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "measure characteristics of water",
                    "polygon": [
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                        7.2365,
                        3.0378,
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                    "spans": [
                        {
                            "offset": 28312,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "and bottom sediments in the la-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 28345,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "goons. The benthos of the la-",
                    "polygon": [
                        0.9487,
                        7.572,
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                        3.0282,
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                    "spans": [
                        {
                            "offset": 28377,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "goons was sampled using a drop",
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                        7.7397,
                        3.0234,
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                    "spans": [
                        {
                            "offset": 28407,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "net and Ponar grab; sediments for",
                    "polygon": [
                        0.9439,
                        7.9027,
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                        7.9027,
                        3.0282,
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                    ],
                    "spans": [
                        {
                            "offset": 28438,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "chemical analysis were sampled",
                    "polygon": [
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                        8.0704,
                        3.0186,
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                        0.9487,
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                    ],
                    "spans": [
                        {
                            "offset": 28472,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "with a corer or glass jar. Sampling",
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                        0.9439,
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                        8.2381,
                        3.033,
                        8.4059,
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                    ],
                    "spans": [
                        {
                            "offset": 28503,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "was conducted from 17 to 29 July.",
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                    ],
                    "spans": [
                        {
                            "offset": 28539,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "A total of 150 benthic samples",
                    "polygon": [
                        0.9439,
                        8.5736,
                        3.0282,
                        8.5832,
                        3.0282,
                        8.7365,
                        0.9391,
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                    ],
                    "spans": [
                        {
                            "offset": 28573,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "were collected at five lagoons (Au-",
                    "polygon": [
                        0.9391,
                        8.7461,
                        3.0378,
                        8.7509,
                        3.0378,
                        8.9043,
                        0.9391,
                        8.8899
                    ],
                    "spans": [
                        {
                            "offset": 28604,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "kulak, Imik, Ipiavik, Kotlik and",
                    "polygon": [
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                        8.9138,
                        3.0234,
                        8.9138,
                        3.0234,
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                        0.9487,
                        9.0672
                    ],
                    "spans": [
                        {
                            "offset": 28640,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "Portsite Lagoons). A total of 44",
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                        9.0864,
                        3.033,
                        9.2397,
                        0.9535,
                        9.2349
                    ],
                    "spans": [
                        {
                            "offset": 28673,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "sediment samples were collected",
                    "polygon": [
                        0.9535,
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                        3.0282,
                        9.2589,
                        3.0282,
                        9.4075,
                        0.9535,
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                    ],
                    "spans": [
                        {
                            "offset": 28706,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "for chemical analysis at these la-",
                    "polygon": [
                        0.9391,
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                        3.033,
                        9.4266,
                        3.033,
                        9.58,
                        0.9391,
                        9.5752
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                    "spans": [
                        {
                            "offset": 28738,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "goons and at a small lagoon adja-",
                    "polygon": [
                        0.9487,
                        9.5944,
                        3.033,
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                        3.033,
                        9.7573,
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                    "spans": [
                        {
                            "offset": 28773,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "cent to the port facility of the Red",
                    "polygon": [
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                        9.7621,
                        3.0378,
                        9.9202,
                        0.9487,
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                    ],
                    "spans": [
                        {
                            "offset": 28807,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "Dog Mine.",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 28844,
                            "length": 9
                        }
                    ]
                },
                {
                    "content": "Sticklebacks,",
                    "polygon": [
                        4.2692,
                        1.0735,
                        5.237,
                        1.0783,
                        5.237,
                        1.2173,
                        4.2692,
                        1.2125
                    ],
                    "spans": [
                        {
                            "offset": 28854,
                            "length": 13
                        }
                    ]
                },
                {
                    "content": "Pungitius pungitius, were col-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 28868,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "lected at Portsite, Imik, and Kotlik",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 28899,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "Lagoons, and Macoma balthica",
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                    "spans": [
                        {
                            "offset": 28936,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "and Mya arenaria were collected at",
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                    "spans": [
                        {
                            "offset": 28965,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "Aukulak and Kotlik Lagoon for pos-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 29000,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "sible tissue analyses.",
                    "polygon": [
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                        2.0703,
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                    "spans": [
                        {
                            "offset": 29035,
                            "length": 22
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        2.2285,
                        5.237,
                        2.238,
                        5.237,
                        2.3866,
                        3.3444,
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                    "spans": [
                        {
                            "offset": 29058,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by CHARLES O'CLAIR.",
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                        2.401,
                        5.146,
                        2.401,
                        5.146,
                        2.5448,
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                    ],
                    "spans": [
                        {
                            "offset": 29088,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "John N. Cobb Cruises",
                    "polygon": [
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                        2.6502,
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                    "spans": [
                        {
                            "offset": 29117,
                            "length": 20
                        }
                    ]
                },
                {
                    "content": "The",
                    "polygon": [
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                        3.675,
                        2.8898,
                        3.675,
                        3.0432,
                        3.3444,
                        3.0432
                    ],
                    "spans": [
                        {
                            "offset": 29138,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "Marine",
                    "polygon": [
                        3.814,
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                        2.8898,
                        4.3794,
                        3.0528,
                        3.814,
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                    "spans": [
                        {
                            "offset": 29142,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "Fisheries",
                    "polygon": [
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                        3.048,
                        4.5758,
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                    ],
                    "spans": [
                        {
                            "offset": 29149,
                            "length": 9
                        }
                    ]
                },
                {
                    "content": "Assessment's Analysis Task used",
                    "polygon": [
                        3.1432,
                        3.0671,
                        5.2322,
                        3.0767,
                        5.2322,
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                        3.1432,
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                    ],
                    "spans": [
                        {
                            "offset": 29159,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "the NOAA research vessel John N.",
                    "polygon": [
                        3.1623,
                        3.2349,
                        5.2179,
                        3.2444,
                        5.2179,
                        3.3834,
                        3.1623,
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                    ],
                    "spans": [
                        {
                            "offset": 29191,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "Cobb for two longline research",
                    "polygon": [
                        3.1719,
                        3.4026,
                        5.2322,
                        3.4122,
                        5.2275,
                        3.5607,
                        3.1719,
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                    ],
                    "spans": [
                        {
                            "offset": 29224,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "cruises in June and July 1992. The",
                    "polygon": [
                        3.1767,
                        3.5703,
                        5.237,
                        3.5751,
                        5.237,
                        3.7237,
                        3.1767,
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                    ],
                    "spans": [
                        {
                            "offset": 29255,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "first cruise, conducted 27 June-2",
                    "polygon": [
                        3.1671,
                        3.7381,
                        5.2322,
                        3.7381,
                        5.2322,
                        3.8818,
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                    ],
                    "spans": [
                        {
                            "offset": 29290,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "July in Chatham Strait, Southeast",
                    "polygon": [
                        3.1671,
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                        3.901,
                        5.237,
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                    ],
                    "spans": [
                        {
                            "offset": 29324,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "Alaska, focused on sablefish.",
                    "polygon": [
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                        4.0639,
                        5.2275,
                        4.0687,
                        5.2275,
                        4.2125,
                        3.1671,
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                    ],
                    "spans": [
                        {
                            "offset": 29358,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Hook timers were attached to the",
                    "polygon": [
                        3.1671,
                        4.2317,
                        5.2418,
                        4.2365,
                        5.2418,
                        4.3802,
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                    ],
                    "spans": [
                        {
                            "offset": 29388,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "longline gear to record the time",
                    "polygon": [
                        3.1671,
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                        4.3994,
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                    ],
                    "spans": [
                        {
                            "offset": 29421,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "that fish, especially sablefish, were",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29454,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "first hooked on the gear. These",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29492,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "data will be used as part of a model",
                    "polygon": [
                        3.1671,
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                        4.9026,
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                    ],
                    "spans": [
                        {
                            "offset": 29524,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "that accounts for the effect of com-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29561,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "petition for hooks among species",
                    "polygon": [
                        3.1576,
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                        5.2381,
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                    ],
                    "spans": [
                        {
                            "offset": 29598,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "when determining abundance es-",
                    "polygon": [
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                        5.2275,
                        5.4058,
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                    ],
                    "spans": [
                        {
                            "offset": 29631,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "timates for sablefish caught on",
                    "polygon": [
                        3.1384,
                        5.5735,
                        5.2322,
                        5.5783,
                        5.2322,
                        5.7269,
                        3.1384,
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                    ],
                    "spans": [
                        {
                            "offset": 29662,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "longlines.",
                    "polygon": [
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                        3.7421,
                        5.7413,
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                        3.1623,
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                    ],
                    "spans": [
                        {
                            "offset": 29694,
                            "length": 10
                        }
                    ]
                },
                {
                    "content": "The second cruise, conducted",
                    "polygon": [
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                        5.909,
                        5.237,
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                    ],
                    "spans": [
                        {
                            "offset": 29705,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "6-15 July, studied shortraker and",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29734,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "rougheye rockfish offshore of",
                    "polygon": [
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                        5.2418,
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                        5.2418,
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                    ],
                    "spans": [
                        {
                            "offset": 29768,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Sitka, Alaska. The purpose of the",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29798,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "cruise was to conduct a feasibility",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29832,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "study of using longlines to assess",
                    "polygon": [
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                        6.7477,
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                    ],
                    "spans": [
                        {
                            "offset": 29868,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "abundance of shortraker and",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29903,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "rougheye rockfish. Several of the",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29931,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "sites fished proved to be too deep",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 29965,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "to effectively fish the longlines in",
                    "polygon": [
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                        7.409,
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                    ],
                    "spans": [
                        {
                            "offset": 30000,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "the desired depth stratum (300-",
                    "polygon": [
                        3.1719,
                        7.572,
                        5.2418,
                        7.5768,
                        5.2418,
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                    ],
                    "spans": [
                        {
                            "offset": 30037,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "400 m); other localities, however,",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 30069,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "showed more promise as future",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 30104,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "shortraker and rougheye rockfish",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 30134,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "study sites. Substantial catches of",
                    "polygon": [
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                        8.2429,
                        5.2418,
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                    ],
                    "spans": [
                        {
                            "offset": 30167,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "both shortraker and rougheye",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 30203,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "rockfish were recorded at two",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 30232,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "sites. Three fishing days were lost",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 30262,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "due to poor weather conditions;",
                    "polygon": [
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                        8.9234,
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                    ],
                    "spans": [
                        {
                            "offset": 30298,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "these days were spent in St. John",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 30330,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "Baptist Bay tagging juvenile sable-",
                    "polygon": [
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                        9.2589,
                        5.237,
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                    ],
                    "spans": [
                        {
                            "offset": 30364,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "fish (<40 cm fork length). For the",
                    "polygon": [
                        3.1719,
                        9.4266,
                        5.2418,
                        9.4314,
                        5.2418,
                        9.5896,
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                    ],
                    "spans": [
                        {
                            "offset": 30400,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "seventh consecutive year, juvenile",
                    "polygon": [
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                        9.6039,
                        5.2418,
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                    ],
                    "spans": [
                        {
                            "offset": 30435,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "sablefish were found in large num-",
                    "polygon": [
                        3.1815,
                        9.7717,
                        5.2514,
                        9.7765,
                        5.2514,
                        9.925,
                        3.1815,
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                    ],
                    "spans": [
                        {
                            "offset": 30470,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "bers in the bay, and 1,659 were",
                    "polygon": [
                        5.3664,
                        1.0879,
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                        1.0975,
                        7.4794,
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                    ],
                    "spans": [
                        {
                            "offset": 30505,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "tagged and released.",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 30537,
                            "length": 20
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
                        5.5868,
                        1.4233,
                        7.4698,
                        1.4233,
                        7.4698,
                        1.5719,
                        5.5868,
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                    ],
                    "spans": [
                        {
                            "offset": 30558,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by DAVID CLAUSEN.",
                    "polygon": [
                        5.3856,
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                        7.259,
                        1.5815,
                        7.2638,
                        1.7253,
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                    ],
                    "spans": [
                        {
                            "offset": 30588,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "Middleton Island Beach Surveys",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 30615,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "Researchers from the ABL sur-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 30646,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "veyed beaches on Middleton Is-",
                    "polygon": [
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                    "spans": [
                        {
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                            "length": 30
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                    ]
                },
                {
                    "content": "land for derelict fishing gear and",
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                    "spans": [
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                    ]
                },
                {
                    "content": "other plastic debris, 12-15 July.",
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                    "spans": [
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                            "offset": 30742,
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                    ]
                },
                {
                    "content": "About 55 fragments of trawl web",
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                    "spans": [
                        {
                            "offset": 30776,
                            "length": 31
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                    ]
                },
                {
                    "content": "were observed, similar to quanti-",
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                    "spans": [
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                    ]
                },
                {
                    "content": "ties recorded in the last survey in",
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                    ]
                },
                {
                    "content": "1989. Other types of plastic de-",
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                    "spans": [
                        {
                            "offset": 30878,
                            "length": 32
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                    ]
                },
                {
                    "content": "bris, such as gill-net floats, were",
                    "polygon": [
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                    "spans": [
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                            "length": 35
                        }
                    ]
                },
                {
                    "content": "more numerous in 1992 than in",
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                    "spans": [
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                            "offset": 30947,
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                    ]
                },
                {
                    "content": "1989, possibly because of a shift in",
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                    "spans": [
                        {
                            "offset": 30977,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "surface currents associated with El",
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                    "spans": [
                        {
                            "offset": 31014,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "Niño. A flipper-tagged elephant",
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                    ],
                    "spans": [
                        {
                            "offset": 31050,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "seal was also observed hauled out",
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                    "spans": [
                        {
                            "offset": 31082,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "on the island; information on the",
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                    "spans": [
                        {
                            "offset": 31116,
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                    ]
                },
                {
                    "content": "seal was passed to the National",
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                    "spans": [
                        {
                            "offset": 31150,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Marine Mammal Laboratory in Se-",
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                    "spans": [
                        {
                            "offset": 31182,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "attle.",
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                    "spans": [
                        {
                            "offset": 31214,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        5.0847,
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                    "spans": [
                        {
                            "offset": 31221,
                            "length": 29
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                    ]
                },
                {
                    "content": "provided by JEFFREY SHORT.",
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                    "spans": [
                        {
                            "offset": 31251,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "Pollock Tagging Study Underway",
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                    "spans": [
                        {
                            "offset": 31278,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "Efforts to locate schools of wall-",
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                    "spans": [
                        {
                            "offset": 31309,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "eye pollock near Auke Bay, Alaska,",
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                    "spans": [
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                    ]
                },
                {
                    "content": "have been successful; more than",
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                    "spans": [
                        {
                            "offset": 31379,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "200 pollock, mostly juveniles, have",
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                    "spans": [
                        {
                            "offset": 31411,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "been tagged and released or held",
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                            "offset": 31447,
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                        }
                    ]
                },
                {
                    "content": "in a large tank to monitor tagging",
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                    "spans": [
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                    ]
                },
                {
                    "content": "mortality. Pollock were collected",
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                    "spans": [
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                            "offset": 31515,
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                    ]
                },
                {
                    "content": "by jigging from a 17-ft work boat at",
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                    "spans": [
                        {
                            "offset": 31549,
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                    ]
                },
                {
                    "content": "several sites in and near Auke Bay.",
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                    ]
                },
                {
                    "content": "Two days of jigging aboard the",
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                    "spans": [
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                            "offset": 31622,
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                    ]
                },
                {
                    "content": "John N. Cobb proved very reward-",
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                    "spans": [
                        {
                            "offset": 31653,
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                },
                {
                    "content": "ing in locating and sampling",
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                    ]
                },
                {
                    "content": "schools of pollock more distant",
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                    "spans": [
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                            "offset": 31715,
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                    ]
                },
                {
                    "content": "from Auke Bay, on the west side of",
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                    "spans": [
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                            "offset": 31747,
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                    ]
                },
                {
                    "content": "Douglas Island and south of Port-",
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                    "spans": [
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                            "offset": 31782,
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                    ]
                },
                {
                    "content": "land Island, Alaska. Most of the",
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                    ]
                },
                {
                    "content": "fish came from the Portland Island",
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                },
                {
                    "content": "site. This site is accessible by skiff",
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                    "spans": [
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                            "offset": 31884,
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                    ]
                },
                {
                    "content": "in good weather and we are plan-",
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                    "spans": [
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                            "offset": 31923,
                            "length": 32
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                    ]
                },
                {
                    "content": "ning to continue to sample and",
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                },
                {
                    "content": "release tagged pollock to this",
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                    "spans": [
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                    ]
                },
                {
                    "content": "school if it remains in the area.",
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                    "spans": [
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                            "offset": 32018,
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                    ]
                },
                {
                    "content": "The preceding information was",
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                    "spans": [
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                            "offset": 32052,
                            "length": 29
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                    ]
                },
                {
                    "content": "provided by RICHARD HAIGHT.",
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                },
                {
                    "content": "AFSC Quarterly Report",
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                {
                    "content": "7",
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            ],
            "spans": [
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            ]
        },
        {
            "pageNumber": 11,
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                    "content": "Situk",
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                    "confidence": 0.995,
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                    "content": "River",
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                    "confidence": 0.994,
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                    "content": "Surveyed",
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                    "confidence": 0.994,
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                {
                    "content": "for",
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                    "confidence": 0.998,
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                {
                    "content": "Potential",
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                    "confidence": 0.992,
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                {
                    "content": "Study",
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                {
                    "content": "Representatives",
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                {
                    "content": "of",
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                    "confidence": 0.997,
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                {
                    "content": "the",
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                {
                    "content": "NOAA",
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                    "content": "Coastal",
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                    "content": "Ocean",
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                {
                    "content": "Program's",
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                {
                    "content": "Coastwatch",
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                    "confidence": 0.995,
                    "span": {
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                },
                {
                    "content": "Change",
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                {
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                    "content": "will provide much of the necessary",
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                    "content": "verification of riparian and aquatic",
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                    "content": "habitats identified by satellitle im-",
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                {
                    "content": "agery and aerial photography.",
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                    "content": "The preceding information was",
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                {
                    "content": "provided by K KOSKI.",
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                    "content": "Reference Collections",
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                    "content": "The ABL received an Atlantic",
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                {
                    "content": "salmon and two Pacific barracuda",
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                {
                    "content": "in August collected by Alaska De-",
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                },
                {
                    "content": "partment of Fish and Game sam-",
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                },
                {
                    "content": "plers in Ketchikan during the late",
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                },
                {
                    "content": "July sockeye salmon fishery.",
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                {
                    "content": "The preceding information was",
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                    ]
                },
                {
                    "content": "provided by BRUCE WING.",
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                    ]
                },
                {
                    "content": "NATIONAL",
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                    ]
                },
                {
                    "content": "MARINE MAMMAL",
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                    ]
                },
                {
                    "content": "LABORTORY(NMML)",
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                {
                    "content": "ICES Marine Mammal Committee",
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                    "content": "Meeting",
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                    "content": "Deputy Director of the NMML",
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                    "content": "R.V. Miller represented the United",
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                },
                {
                    "content": "States on the Marine Mammal",
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                {
                    "content": "Committee at the annual statutory",
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                {
                    "content": "meeting of the International Coun-",
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                {
                    "content": "cil for the Exploration of the Sea",
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                {
                    "content": "(ICES), held in Rostock, Germany,",
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                    "content": "24-29 September 1992. Interest at",
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                },
                {
                    "content": "the meeting centered on the re-",
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                {
                    "content": "ports of the Study Group on As-",
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                },
                {
                    "content": "sessment of Pilot Whales and the",
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                    "content": "Study Group on Seals and Small",
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                {
                    "content": "Cetaceans. The work of the Study",
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                    "content": "Group on Assessment of Pilot",
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                    "content": "Whales is of primary interest to the",
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                    "content": "United States because of U.S. in-",
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                    "content": "volvement in the International",
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                    "content": "Whaling Commission (IWC) and",
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                    "content": "the IWC's concern over the contin-",
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                    "content": "uing harvest of pilot whales in the",
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                {
                    "content": "Faroe Islands, Denmark. The new",
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                    "content": "North Atlantic Marine Mammals",
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                    "content": "Commission (NAMMCO), organ-",
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                    "content": "ized as an alternative to the IWC,",
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                    "content": "requested the assessment of pilot",
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                    "content": "whales by ICES shortly after",
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                    "content": "NAMMCO's formation this sum-",
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                    "content": "mer. The study group was unable",
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                    "content": "to provide a population estimate or",
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                    "content": "assessment because necessary",
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                    "content": "data was not available at the time,",
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                    "content": "but did agree that sufficient data",
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                    "content": "exists for an attempt at such an",
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                    "content": "assessment in the future. The",
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                    "content": "ICES Marine Mammal Committee",
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                    "content": "recommended continuation of the",
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                    "content": "Study Group on Assessment of",
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                    "content": "Pilot Whales with addition of IWC",
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                    "content": "scientists and involvement of",
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                    "content": "NAMMCO scientists when an as-",
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                {
                    "content": "sessment is undertaken.",
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                {
                    "content": "The Marine Mammal Commit-",
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                {
                    "content": "tee recommended that the Study",
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                {
                    "content": "Group on Seals and Small Ceta-",
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                {
                    "content": "ceans meet again in early 1993 to",
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                {
                    "content": "update relevant information on",
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                },
                {
                    "content": "those species in the North Atlantic",
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                {
                    "content": "area and work on problems of by-",
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                },
                {
                    "content": "catch statistics and sighting sur-",
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                    "content": "vey protocol. The committee also",
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                    "content": "recommended that a workshop on",
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                {
                    "content": "impact of marine mammal patho-",
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                {
                    "content": "gens be convened in March 1993",
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                {
                    "content": "to consider contributory factors,",
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                {
                    "content": "potential effects, and protocol for",
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                {
                    "content": "study of future outbreaks, in order",
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                    ]
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                {
                    "content": "to collate and effectively use infor-",
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                },
                {
                    "content": "mation gained from the study of",
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                {
                    "content": "the seal virus (phocid distemper)",
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                {
                    "content": "epidemic in 1988-89 in northern",
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                    "content": "European seas. Information",
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                    "content": "gained from the 1993 workshop",
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                    "content": "will be valuable to U.S. researchers",
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                    "content": "in attacking future epidemics",
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                    "content": "among seals and cetaceans along",
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                {
                    "content": "U.S. coasts.",
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                    "content": "A joint ICES-Northwest Atlantic",
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                    "content": "Fisheries Organization (NAFO)",
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                    "content": "symposium on the role of marine",
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                    "content": "mammals in exploited ecosystems",
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                    "content": "was proposed for 1995. The pro-",
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                    "content": "posal had been discussed earlier",
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                    "content": "in other forums and was greeted",
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                    "content": "with encouragement by the ICES",
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                    "content": "Marine Mammal Committee be-",
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                    "content": "cause of the growing involvement",
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                    "content": "of marine mammals in various as-",
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                {
                    "content": "pects of fisheries and the recogni-",
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                    "content": "tion that fisheries problems must",
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                    "content": "be treated in a multispecies con-",
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                    "content": "text. It was agreed that the Marine",
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                    "content": "Mammal Committee should take",
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                    "content": "the lead within ICES. Johann",
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                    "content": "Sigurjonsson of Iceland agreed to",
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                    "content": "coordinate the symposium and",
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                    "content": "serve as cochair with a representa-",
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                    "content": "tive from NAFO.",
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                    "content": "Alaska Ecosystem Program",
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                    "content": "The Alaska Ecosystem Pro-",
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                {
                    "content": "gram conducted population as-",
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                    "content": "sessment research on Steller sea",
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                {
                    "content": "lions, northern fur seals, harbor",
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                    "content": "seals, killer whales, and harbor",
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                    "content": "porpoise throughout the Gulf of",
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                    "content": "Alaska and Bering Sea during the",
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                    "content": "third quarter. Feeding ecology",
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                    "content": "and movement patterns at sea of",
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                    "content": "Steller sea lions and fur seals were",
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                    "content": "monitored by attachment of satel-",
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                    "content": "lite transmitters and VHF radio",
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                    "content": "transmitters. An assortment of",
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                    "content": "58 OON",
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                    "content": "56 OON",
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                    "content": "+ R/V Alaska",
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                {
                    "content": "180 COW",
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                    "content": "Figure 1. Stations sampled during the 1992 crab-groundfish survey of the eastern Bering Sea.",
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                    "content": "tively with the Alaska Department",
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                    "content": "of Fish and Game and with biolo-",
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                    "content": "Sciences,",
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                    "content": "Petropavlovsk-",
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                    "content": "Kamchatski, and the Pacific Re-",
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                    "content": "search Institute of Marine Fisheries",
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                    "content": "and Oceanography (TINRO), Vlad-",
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                    "content": "Fisheries Research Agency,",
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                    "content": "Japan, and Ehime University,",
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                    "content": "Japan. Steller sea lion physiologi-",
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                    "content": "cal research and genetics studies",
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                    "content": "were conducted cooperatively",
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                    "content": "with the University of Alaska and",
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                    "content": "Texas A&M University.",
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                    "content": "The preceding information was",
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                {
                    "content": "provided by R. V. MILLER.",
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                    "content": "RESOURCE",
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                    "content": "ASSESSMENT AND",
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                {
                    "content": "CONSERVATION",
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                    "content": "ENGINEERING",
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                {
                    "content": "(RACE) DIVISION",
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                    "content": "Bering Sea Groundfish",
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                    "content": "Assessment Subtask",
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                    "content": "The 1992 crab-groundfish sur-",
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                {
                    "content": "vey of the eastern Bering Sea",
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                    ]
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                    "content": "(EBS) began on 1 June and was",
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                {
                    "content": "completed on 9 August. The sur-",
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                {
                    "content": "vey was designed to assess the",
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                {
                    "content": "abundance of demersal fish and",
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                {
                    "content": "crabs over an area of 465,000 km2",
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                },
                {
                    "content": "of the eastern Bering Sea conti-",
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                    ]
                },
                {
                    "content": "nental shelf. The area covers the",
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                    ]
                },
                {
                    "content": "shelf from inner Bristol Bay to the",
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                },
                {
                    "content": "shelf edge and extends from the",
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                },
                {
                    "content": "Alaska Peninsula to St. Matthew",
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                },
                {
                    "content": "Island (Fig. 1). The standard area",
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                {
                    "content": "has been surveyed annually since",
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                    "content": "1979. During triennial years, such",
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                    "content": "as 1991, the survey is extended to",
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                    ]
                },
                {
                    "content": "include the northern shelf, Norton",
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                },
                {
                    "content": "Sound, and the continental slope.",
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                    "content": "These surveys are a combined ef-",
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                {
                    "content": "fort of the RACE Division's",
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                {
                    "content": "Groundfish Task and the Kodiak",
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                    "content": "Laboratory and are used to pro-",
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                {
                    "content": "vide estimates of abundance for",
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                    "content": "management agencies such as the",
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                    "content": "North Pacific Fishery Management",
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                    "content": "Council (NPFMC) and the Alaska",
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                    "content": "Department of Fish and Game",
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                    "content": "(ADF&G).",
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                    "content": "Due to unusually bad weather",
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                    "content": "and mechanical problems during",
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                    "content": "the early and middle portions of",
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                    "content": "the survey, a block of 18 stations",
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                    "content": "+",
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                    "content": "LNUNIVAK I",
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                    "content": "60 OON",
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                        6.8046,
                        2.7317,
                        6.4788,
                        2.7317
                    ],
                    "spans": [
                        {
                            "offset": 39743,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "Alaska plaice",
                    "polygon": [
                        1.0255,
                        2.7125,
                        1.8497,
                        2.7173,
                        1.8497,
                        2.8611,
                        1.0207,
                        2.8515
                    ],
                    "spans": [
                        {
                            "offset": 39749,
                            "length": 13
                        }
                    ]
                },
                {
                    "content": "528",
                    "polygon": [
                        2.8177,
                        2.7317,
                        3.0525,
                        2.7317,
                        3.0477,
                        2.8515,
                        2.8177,
                        2.8467
                    ],
                    "spans": [
                        {
                            "offset": 39763,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "523",
                    "polygon": [
                        3.8096,
                        2.7412,
                        4.0444,
                        2.7412,
                        4.0396,
                        2.8563,
                        3.8096,
                        2.8563
                    ],
                    "spans": [
                        {
                            "offset": 39767,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "529",
                    "polygon": [
                        4.7584,
                        2.746,
                        4.998,
                        2.7508,
                        4.9885,
                        2.8706,
                        4.7536,
                        2.8658
                    ],
                    "spans": [
                        {
                            "offset": 39771,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "489",
                    "polygon": [
                        5.7648,
                        2.7317,
                        6.0139,
                        2.7412,
                        6.0091,
                        2.885,
                        5.76,
                        2.8898
                    ],
                    "spans": [
                        {
                            "offset": 39775,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "(550)",
                    "polygon": [
                        6.4788,
                        2.746,
                        6.8094,
                        2.746,
                        6.8094,
                        2.8994,
                        6.4788,
                        2.9042
                    ],
                    "spans": [
                        {
                            "offset": 39779,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "Arrowtooth flounder",
                    "polygon": [
                        1.0159,
                        2.8754,
                        2.2426,
                        2.885,
                        2.2426,
                        3.0144,
                        1.0159,
                        3.0048
                    ],
                    "spans": [
                        {
                            "offset": 39785,
                            "length": 19
                        }
                    ]
                },
                {
                    "content": "372",
                    "polygon": [
                        2.7985,
                        2.8754,
                        3.0381,
                        2.8802,
                        3.0333,
                        3.0336,
                        2.7937,
                        3.0336
                    ],
                    "spans": [
                        {
                            "offset": 39805,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "435",
                    "polygon": [
                        3.8048,
                        2.9042,
                        4.0396,
                        2.9042,
                        4.0348,
                        3.024,
                        3.8048,
                        3.024
                    ],
                    "spans": [
                        {
                            "offset": 39809,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "390",
                    "polygon": [
                        4.7536,
                        2.9138,
                        4.9932,
                        2.909,
                        4.9885,
                        3.0288,
                        4.7536,
                        3.0288
                    ],
                    "spans": [
                        {
                            "offset": 39813,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "414",
                    "polygon": [
                        5.7648,
                        2.9234,
                        6.0044,
                        2.9234,
                        5.9996,
                        3.0384,
                        5.7648,
                        3.0384
                    ],
                    "spans": [
                        {
                            "offset": 39817,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "(414)",
                    "polygon": [
                        6.4836,
                        2.9138,
                        6.8142,
                        2.9138,
                        6.8094,
                        3.0623,
                        6.4836,
                        3.0623
                    ],
                    "spans": [
                        {
                            "offset": 39821,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "Greenland turbot",
                    "polygon": [
                        1.0255,
                        3.0336,
                        2.0797,
                        3.0432,
                        2.0749,
                        3.1821,
                        1.0207,
                        3.1726
                    ],
                    "spans": [
                        {
                            "offset": 39827,
                            "length": 16
                        }
                    ]
                },
                {
                    "content": "9",
                    "polygon": [
                        2.971,
                        3.0671,
                        3.0477,
                        3.0719,
                        3.0429,
                        3.1774,
                        2.9662,
                        3.1774
                    ],
                    "spans": [
                        {
                            "offset": 39844,
                            "length": 1
                        }
                    ]
                },
                {
                    "content": "14",
                    "polygon": [
                        3.8959,
                        3.0767,
                        4.0444,
                        3.0767,
                        4.0444,
                        3.1821,
                        3.8911,
                        3.1821
                    ],
                    "spans": [
                        {
                            "offset": 39846,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "11",
                    "polygon": [
                        4.8447,
                        3.0815,
                        4.9741,
                        3.0767,
                        4.9741,
                        3.1917,
                        4.8447,
                        3.1917
                    ],
                    "spans": [
                        {
                            "offset": 39849,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "24",
                    "polygon": [
                        5.8414,
                        3.0863,
                        6.0044,
                        3.0863,
                        5.9996,
                        3.2013,
                        5.8414,
                        3.2013
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                    "spans": [
                        {
                            "offset": 39852,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "(24)",
                    "polygon": [
                        6.5506,
                        3.0719,
                        6.7854,
                        3.0767,
                        6.7854,
                        3.2349,
                        6.5411,
                        3.2349
                    ],
                    "spans": [
                        {
                            "offset": 39855,
                            "length": 4
                        }
                    ]
                },
                {
                    "content": "Total",
                    "polygon": [
                        1.0207,
                        3.2444,
                        1.3465,
                        3.2444,
                        1.3418,
                        3.3786,
                        1.0207,
                        3.3738
                    ],
                    "spans": [
                        {
                            "offset": 39860,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "11,789",
                    "polygon": [
                        2.6308,
                        3.2588,
                        3.0525,
                        3.2636,
                        3.0525,
                        3.4026,
                        2.6308,
                        3.3978
                    ],
                    "spans": [
                        {
                            "offset": 39866,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "12,962",
                    "polygon": [
                        3.6179,
                        3.2684,
                        4.0444,
                        3.2684,
                        4.0444,
                        3.4026,
                        3.6179,
                        3.4026
                    ],
                    "spans": [
                        {
                            "offset": 39873,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "11,122",
                    "polygon": [
                        4.5668,
                        3.278,
                        4.998,
                        3.278,
                        4.998,
                        3.4122,
                        4.5668,
                        3.4122
                    ],
                    "spans": [
                        {
                            "offset": 39880,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "9,902",
                    "polygon": [
                        5.645,
                        3.2828,
                        6.0091,
                        3.2876,
                        6.0044,
                        3.4218,
                        5.6402,
                        3.417
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                    "spans": [
                        {
                            "offset": 39887,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "(10,287)",
                    "polygon": [
                        6.2871,
                        3.278,
                        6.819,
                        3.278,
                        6.819,
                        3.4409,
                        6.2871,
                        3.4409
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                    "spans": [
                        {
                            "offset": 39893,
                            "length": 8
                        }
                    ]
                },
                {
                    "content": "a",
                    "polygon": [
                        1.0303,
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                        1.1069,
                        3.4745,
                        1.1022,
                        3.5751,
                        1.0207,
                        3.5751
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                    "spans": [
                        {
                            "offset": 39902,
                            "length": 1
                        }
                    ]
                },
                {
                    "content": "Values in parentheses are estimates for 1992 taking into account the deleted",
                    "polygon": [
                        1.4232,
                        3.4457,
                        6.1337,
                        3.4841,
                        6.1337,
                        3.6374,
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                    "spans": [
                        {
                            "offset": 39904,
                            "length": 76
                        }
                    ]
                },
                {
                    "content": "18 stations, based on the mean proportion of the biomass estimate present",
                    "polygon": [
                        1.4424,
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                        6.0187,
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                        {
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                        }
                    ]
                },
                {
                    "content": "in that area during 1989-91.",
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                        3.7956,
                        3.1723,
                        3.9489,
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                    "spans": [
                        {
                            "offset": 40055,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "section of the survey area. This",
                    "polygon": [
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                        3.0717,
                        4.1885,
                        3.0717,
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                    "spans": [
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                            "offset": 40084,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "decision was based on expected",
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                        3.0669,
                        4.3515,
                        3.0669,
                        4.5096,
                        1.0015,
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                    "spans": [
                        {
                            "offset": 40117,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "low abundance of primary species",
                    "polygon": [
                        0.9967,
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                        4.524,
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                        {
                            "offset": 40148,
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                    ]
                },
                {
                    "content": "in the deleted area and the need to",
                    "polygon": [
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                        4.6822,
                        3.0669,
                        4.8355,
                        1.0015,
                        4.8259
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                    "spans": [
                        {
                            "offset": 40181,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "complete the survey in the north-",
                    "polygon": [
                        0.9919,
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                        4.8451,
                        3.0621,
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                        {
                            "offset": 40217,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "western area where higher abun-",
                    "polygon": [
                        1.0015,
                        5.0176,
                        3.0812,
                        5.0176,
                        3.0812,
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                            "offset": 40251,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "dances of important species such",
                    "polygon": [
                        1.0015,
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                        5.1854,
                        3.0717,
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                    "spans": [
                        {
                            "offset": 40283,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "as walleye pollock, Pacific cod,",
                    "polygon": [
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                        3.0573,
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                        {
                            "offset": 40316,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "and snow crab (Chionoecetes op-",
                    "polygon": [
                        1.0015,
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                            "offset": 40349,
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                    ]
                },
                {
                    "content": "ilio) were expected.",
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                            "offset": 40381,
                            "length": 20
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                    ]
                },
                {
                    "content": "The survey was conducted",
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                    "spans": [
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                            "offset": 40402,
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                    ]
                },
                {
                    "content": "aboard the chartered vessels",
                    "polygon": [
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                        3.0765,
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                    "spans": [
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                            "offset": 40427,
                            "length": 28
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                    ]
                },
                {
                    "content": "Alaska and Tracy Anne. Catch and",
                    "polygon": [
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                            "offset": 40456,
                            "length": 32
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                    ]
                },
                {
                    "content": "biological data, as well as biologi-",
                    "polygon": [
                        1.0015,
                        6.3451,
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                        3.0765,
                        6.5033,
                        1.0015,
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                    "spans": [
                        {
                            "offset": 40489,
                            "length": 36
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                    ]
                },
                {
                    "content": "cal samples, were collected from",
                    "polygon": [
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                        6.5177,
                        3.0717,
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                    "spans": [
                        {
                            "offset": 40526,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "358 stations. These included 338",
                    "polygon": [
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                        6.6806,
                        3.0812,
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                            "offset": 40559,
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                {
                    "content": "stations within the standard area",
                    "polygon": [
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                    "content": "and 20 stations northwest of that",
                    "polygon": [
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                        7.0256,
                        3.086,
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                    ]
                },
                {
                    "content": "area which were allocated to spe-",
                    "polygon": [
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                    ]
                },
                {
                    "content": "cifically assess C. opilio. Addi-",
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                    "content": "tional data and samples collected",
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                },
                {
                    "content": "included: 1) over 8,000 fish stom-",
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                },
                {
                    "content": "achs for trophic studies by the",
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                    "spans": [
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                            "offset": 40797,
                            "length": 31
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                    ]
                },
                {
                    "content": "Food Habits program of the AFSC,",
                    "polygon": [
                        1.0111,
                        8.0177,
                        3.086,
                        8.0273,
                        3.086,
                        8.1806,
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                            "offset": 40829,
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                {
                    "content": "2) fish identification samples for",
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                        8.195,
                        3.086,
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                    "spans": [
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                            "offset": 40862,
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                    ]
                },
                {
                    "content": "the NMML, 3) fish samples of Gym-",
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                    "spans": [
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                    ]
                },
                {
                    "content": "nocanthus sp. for systematic work",
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                    ]
                },
                {
                    "content": "at the University of Washington, 4)",
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                    "spans": [
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                            "offset": 40965,
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                },
                {
                    "content": "juvenile Pacific halibut for parasite",
                    "polygon": [
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                    "content": "studies by the International Pacific",
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                            "offset": 41039,
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                {
                    "content": "Halibut Commission, 5) fish identi-",
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                        1.0207,
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                        9.187,
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                            "offset": 41076,
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                },
                {
                    "content": "fication samples for the Domestic",
                    "polygon": [
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                },
                {
                    "content": "Observer Training Program of the",
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                            "length": 32
                        }
                    ]
                },
                {
                    "content": "AFSC, 6) maturity data on yellowfin",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 41179,
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                    ]
                },
                {
                    "content": "sole, 7) pathobiology collections",
                    "polygon": [
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                },
                {
                    "content": "by the Fisheries Resource",
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                    ]
                },
                {
                    "content": "Pathobiology group from nearly",
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                            "offset": 41275,
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                        }
                    ]
                },
                {
                    "content": "400 fish and invertebrates, and 8)",
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                    "spans": [
                        {
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                    ]
                },
                {
                    "content": "a variety of invertebrate samples",
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                    ]
                },
                {
                    "content": "and collections by the Kodiak Lab-",
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                    ]
                },
                {
                    "content": "oratory.",
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                    "spans": [
                        {
                            "offset": 41410,
                            "length": 8
                        }
                    ]
                },
                {
                    "content": "Biomass estimates for the",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 41419,
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                    ]
                },
                {
                    "content": "major fish species in the standard",
                    "polygon": [
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                        5.5256,
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                    "spans": [
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                            "offset": 41445,
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                        }
                    ]
                },
                {
                    "content": "area in 1992, as well as the preced-",
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                    ]
                },
                {
                    "content": "ing 3 years, are given in Table 1.",
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                        }
                    ]
                },
                {
                    "content": "The most abundant species, wall-",
                    "polygon": [
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                    ]
                },
                {
                    "content": "eye pollock, declined for the sec-",
                    "polygon": [
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                            "offset": 41585,
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                        }
                    ]
                },
                {
                    "content": "ond consecutive year from a peak",
                    "polygon": [
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                    ]
                },
                {
                    "content": "year in 1990. Walleye pollock is a",
                    "polygon": [
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                        }
                    ]
                },
                {
                    "content": "semidemersal species that exhib-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 41688,
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                        }
                    ]
                },
                {
                    "content": "its a more demersal behavior with",
                    "polygon": [
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                    "spans": [
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                            "offset": 41721,
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                    ]
                },
                {
                    "content": "age. Therefore, the biomass esti-",
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                    ]
                },
                {
                    "content": "mate developed from bottom trawl",
                    "polygon": [
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                        {
                            "offset": 41789,
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                    ]
                },
                {
                    "content": "surveys is weighted by older, larger",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 41822,
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                        }
                    ]
                },
                {
                    "content": "fish. The pelagic component of",
                    "polygon": [
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                        {
                            "offset": 41859,
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                        }
                    ]
                },
                {
                    "content": "the population is surveyed trienni-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 41890,
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                    ]
                },
                {
                    "content": "ally by hydroacoustic methods.",
                    "polygon": [
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                    ]
                },
                {
                    "content": "Commercial catches since 1984",
                    "polygon": [
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                    "spans": [
                        {
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                        }
                    ]
                },
                {
                    "content": "have exceeded 1 million t per year.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 41987,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "Pacific cod biomass estimates",
                    "polygon": [
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                        8.3819,
                        5.2951,
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                    ],
                    "spans": [
                        {
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                            "length": 29
                        }
                    ]
                },
                {
                    "content": "decreased approximately 50% be-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42053,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "tween 1986 and 1991. However,",
                    "polygon": [
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                    "spans": [
                        {
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                            "length": 29
                        }
                    ]
                },
                {
                    "content": "the estimate for 1992 is nearly the",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42115,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "same as in 1991. Hopefully, the",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42151,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "precipitous decline of recent years",
                    "polygon": [
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                        {
                            "offset": 42183,
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                        }
                    ]
                },
                {
                    "content": "has ended for this valuable fish.",
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                    "spans": [
                        {
                            "offset": 42219,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "Although biomass estimates",
                    "polygon": [
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                        5.2999,
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                    "spans": [
                        {
                            "offset": 42253,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "for the flatfishes on the continental",
                    "polygon": [
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                    "spans": [
                        {
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                    ]
                },
                {
                    "content": "shelf have been relatively stable",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42318,
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                        }
                    ]
                },
                {
                    "content": "over the last few years, rock sole,",
                    "polygon": [
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                    "spans": [
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                            "offset": 42352,
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                    ]
                },
                {
                    "content": "arrowtooth flounder, and flathead",
                    "polygon": [
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                        {
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                        }
                    ]
                },
                {
                    "content": "sole have all increased dramati-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42422,
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                    ]
                },
                {
                    "content": "cally since the early 1980s.",
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                    ]
                },
                {
                    "content": "Yellowfin sole and Alaska plaice",
                    "polygon": [
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                    "spans": [
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                        }
                    ]
                },
                {
                    "content": "have decreased somewhat during",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 42517,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "that period. The biomass estimate",
                    "polygon": [
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                        5.3723,
                        7.5042,
                        5.5208,
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                    "spans": [
                        {
                            "offset": 42548,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "for Greenland turbot on the conti-",
                    "polygon": [
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                        }
                    ]
                },
                {
                    "content": "nental shelf has been significantly",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42617,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "lower than the high of 226,000 t in",
                    "polygon": [
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                    "spans": [
                        {
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                    ]
                },
                {
                    "content": "1979. The shelf acts as a nursery",
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                        }
                    ]
                },
                {
                    "content": "ground for Greenland turbot and",
                    "polygon": [
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                    ]
                },
                {
                    "content": "they are usually only found there",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42755,
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                    ]
                },
                {
                    "content": "until they are 4 to 5 years old. At",
                    "polygon": [
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                        {
                            "offset": 42789,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "that time they begin migrating to",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 42825,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "the continental slope. There has",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42859,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "been little indication of significant",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42892,
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                        }
                    ]
                },
                {
                    "content": "recruitment since the early 1980s.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 42930,
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                        }
                    ]
                },
                {
                    "content": "In 1992, there appears to be a",
                    "polygon": [
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                        7.509,
                        7.3899,
                        7.509,
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                    "spans": [
                        {
                            "offset": 42965,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "small pulse of Greenland turbot in",
                    "polygon": [
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                        7.5138,
                        7.548,
                        7.5138,
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                    "spans": [
                        {
                            "offset": 42996,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "the size range of 20 to 30 cm, about",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 43031,
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                        }
                    ]
                },
                {
                    "content": "age 2. Although not equivalent to",
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                    ],
                    "spans": [
                        {
                            "offset": 43068,
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                        }
                    ]
                },
                {
                    "content": "the recruitment of the late 1970s,",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 43102,
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                        }
                    ]
                },
                {
                    "content": "the abundance of this young year",
                    "polygon": [
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                },
                {
                    "content": "class is encouraging.",
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                    }
                },
                {
                    "content": "West",
                    "polygon": [
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                    "confidence": 0.992,
                    "span": {
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                    }
                },
                {
                    "content": "Coast",
                    "polygon": [
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                    "confidence": 0.998,
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                },
                {
                    "content": "Groundfish",
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                },
                {
                    "content": "As-",
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                    "confidence": 0.997,
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                },
                {
                    "content": "sessment",
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                    "confidence": 0.992,
                    "span": {
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                    }
                },
                {
                    "content": "Subtask",
                    "polygon": [
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                    "confidence": 0.996,
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                    }
                },
                {
                    "content": "is",
                    "polygon": [
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                    "confidence": 0.992,
                    "span": {
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                    }
                },
                {
                    "content": "currently",
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                    "confidence": 0.993,
                    "span": {
                        "offset": 48217,
                        "length": 9
                    }
                },
                {
                    "content": "AFSC",
                    "polygon": [
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                    "confidence": 0.989,
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                        "offset": 48227,
                        "length": 4
                    }
                },
                {
                    "content": "Quarterly",
                    "polygon": [
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                    "confidence": 0.992,
                    "span": {
                        "offset": 48232,
                        "length": 9
                    }
                },
                {
                    "content": "Report",
                    "polygon": [
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                    "confidence": 0.993,
                    "span": {
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                        "length": 6
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                },
                {
                    "content": "11",
                    "polygon": [
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                    "confidence": 0.998,
                    "span": {
                        "offset": 48249,
                        "length": 2
                    }
                }
            ],
            "lines": [
                {
                    "content": "Russian waters",
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                    ]
                },
                {
                    "content": "to",
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                    ]
                },
                {
                    "content": "Cape",
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                },
                {
                    "content": "Olyutorskiy. A total of 113 stations",
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                },
                {
                    "content": "were sampled. In addition to the",
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                },
                {
                    "content": "standard data collection, U.S. sci-",
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                },
                {
                    "content": "entists collected walleye pollock",
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                },
                {
                    "content": "tissue samples for stock identifica-",
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                },
                {
                    "content": "tion experiments, and a visiting sci-",
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                {
                    "content": "entist from Bucknell University",
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                {
                    "content": "collected skates for an ongoing",
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                {
                    "content": "study of systematics and identifi-",
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                {
                    "content": "cation. The data from this survey",
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                {
                    "content": "have not yet been analyzed.",
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                    "content": "Data from bottom trawl surveys",
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                {
                    "content": "are used in several ways. The data",
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                    "content": "provide for a fishery-independent",
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                    "content": "estimate of stock condition to sup-",
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                    "content": "plement estimates derived from",
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                    "content": "fishery statistics. The data also are",
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                    "content": "used for tuning population models",
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                    "content": "using a variety of fishery data. In",
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                    "content": "both cases, it is important that the",
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                    "content": "accuracy of survey-based esti-",
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                {
                    "content": "mates is known and maintained at",
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                {
                    "content": "acceptable levels. Work in the",
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                {
                    "content": "Groundfish Task is focusing on just",
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                    "content": "that aspect. Improved knowledge",
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                    "content": "of the net configuration while fish-",
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                    "content": "ing is now provided by net mensu-",
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                {
                    "content": "ration equipment.",
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                    "content": "Recent",
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                    "content": "advances in determining on-bot-",
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                    "content": "tom trawling time and geographi-",
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                    "content": "cal position are",
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                    "content": "being",
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                    "content": "incorporated. Improved mathe-",
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                    "content": "matical methods of comparing the",
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                    "content": "fishing power of different vessels",
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                    "content": "have been adopted. A reevalua-",
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                    "content": "tion of the survey time series is",
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                    "content": "being conducted utilizing new in-",
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                    "content": "formation gained from these stud-",
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                    "content": "ies.",
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                    "content": "The preceding information was",
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                },
                {
                    "content": "provided by GARY WALTERS.",
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                    "content": "Gulf of Alaska Groundfish",
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                {
                    "content": "Assessment Subtask",
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                {
                    "content": "NMFS Longline Survey of the",
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                },
                {
                    "content": "Gulf of Alaska",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 44890,
                            "length": 14
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                    ]
                },
                {
                    "content": "The sixth annual NMFS long-",
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                        }
                    ]
                },
                {
                    "content": "line survey of Gulf of Alaska",
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                        }
                    ]
                },
                {
                    "content": "groundfish was conducted aboard",
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                            "offset": 44963,
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                    ]
                },
                {
                    "content": "the chartered U.S. longliner Ocean",
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                        {
                            "offset": 44995,
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                        }
                    ]
                },
                {
                    "content": "Prowler from 12 July to 28 Septem-",
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                        {
                            "offset": 45030,
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                        }
                    ]
                },
                {
                    "content": "ber. The survey was conducted",
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                    ]
                },
                {
                    "content": "jointly by the RACE Division and",
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                        }
                    ]
                },
                {
                    "content": "the ABL. Catch and length fre-",
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                        {
                            "offset": 45128,
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                        }
                    ]
                },
                {
                    "content": "quency data were recorded at 60",
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                        {
                            "offset": 45159,
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                        }
                    ]
                },
                {
                    "content": "standard survey sites located on",
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                        {
                            "offset": 45191,
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                        }
                    ]
                },
                {
                    "content": "the upper continental slope and in",
                    "polygon": [
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                            "offset": 45224,
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                        }
                    ]
                },
                {
                    "content": "deep gullies. An electronic",
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                        {
                            "offset": 45259,
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                        }
                    ]
                },
                {
                    "content": "datalogger was used to record",
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                        {
                            "offset": 45287,
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                    ]
                },
                {
                    "content": "catch, replacing the on-deck sam-",
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                        {
                            "offset": 45317,
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                        }
                    ]
                },
                {
                    "content": "pling forms used in previous years.",
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                    "spans": [
                        {
                            "offset": 45351,
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                        }
                    ]
                },
                {
                    "content": "A similar data entry device with a",
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                            "offset": 45387,
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                    ]
                },
                {
                    "content": "bar code reader recorded length",
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                    "spans": [
                        {
                            "offset": 45422,
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                        }
                    ]
                },
                {
                    "content": "frequencies by station, species,",
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                            "offset": 45454,
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                        }
                    ]
                },
                {
                    "content": "depth interval, and sex. Electroni-",
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                            "offset": 45487,
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                        }
                    ]
                },
                {
                    "content": "cally stored data was downloaded",
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                            "offset": 45523,
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                        }
                    ]
                },
                {
                    "content": "to computer files and subse-",
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                    ]
                },
                {
                    "content": "quently stored and edited in a rela-",
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                            "offset": 45585,
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                        }
                    ]
                },
                {
                    "content": "tional database.",
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                    "spans": [
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                            "offset": 45622,
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                    ]
                },
                {
                    "content": "Preliminary results suggest that",
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                            "offset": 45639,
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                        }
                    ]
                },
                {
                    "content": "sablefish abundance in the west-",
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                    ]
                },
                {
                    "content": "ern Gulf of Alaska has decreased",
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                            "offset": 45705,
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                        }
                    ]
                },
                {
                    "content": "since last year; however, recent",
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                            "offset": 45738,
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                        }
                    ]
                },
                {
                    "content": "commercial fishing pressure in the",
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                            "offset": 45771,
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                    ]
                },
                {
                    "content": "vicinity of some stations might",
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                },
                {
                    "content": "have caused localized, short-term",
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                    ]
                },
                {
                    "content": "depletion. Indices of sablefish",
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                    ]
                },
                {
                    "content": "abundance in the central gulf show",
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                },
                {
                    "content": "the total abundance to be approx-",
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                    ]
                },
                {
                    "content": "imately the same as in 1991, but",
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                    ]
                },
                {
                    "content": "the center of abundance may have",
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                            "offset": 46006,
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                    ]
                },
                {
                    "content": "shifted somewhat eastward. Un-",
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                },
                {
                    "content": "usually large survey catches of ju-",
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                },
                {
                    "content": "venile sablefish were made near",
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                            "offset": 46106,
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                    ]
                },
                {
                    "content": "the Shumagin Islands and in gul-",
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                    ]
                },
                {
                    "content": "lies in the central gulf, suggesting",
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                    ]
                },
                {
                    "content": "that sablefish recruitment to the",
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                    ]
                },
                {
                    "content": "survey area in 1992 might have",
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                    ]
                },
                {
                    "content": "been larger than in the previous 5",
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                },
                {
                    "content": "survey years.",
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                            "offset": 46308,
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                    ]
                },
                {
                    "content": "Longline survey catches of Pa-",
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                            "offset": 46322,
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                    ]
                },
                {
                    "content": "cific cod in the western gulf were",
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                    ]
                },
                {
                    "content": "notably higher than those ob-",
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                            "offset": 46388,
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                    ]
                },
                {
                    "content": "served last year, although many",
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                    ]
                },
                {
                    "content": "were relatively small juvenile cod.",
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                    ]
                },
                {
                    "content": "Giant grenadiers were the third",
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                            "offset": 46486,
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                        }
                    ]
                },
                {
                    "content": "most common species captured.",
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                        }
                    ]
                },
                {
                    "content": "Data from the final leg of the sur-",
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                            "offset": 46548,
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                    ]
                },
                {
                    "content": "vey, conducted off southeastern",
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                            "offset": 46584,
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                        }
                    ]
                },
                {
                    "content": "Alaska, were not available at the",
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                    "spans": [
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                            "offset": 46616,
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                        }
                    ]
                },
                {
                    "content": "time of this writing.",
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                    "spans": [
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                    ]
                },
                {
                    "content": "Japan-U.S. Cooperative",
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                    "spans": [
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                            "offset": 46672,
                            "length": 22
                        }
                    ]
                },
                {
                    "content": "Longline Survey of the Aleutian",
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                    ]
                },
                {
                    "content": "Island-Bering Sea Region and",
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                    "spans": [
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                            "offset": 46727,
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                    ]
                },
                {
                    "content": "Gulf of Alaska",
                    "polygon": [
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                    "spans": [
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                            "offset": 46756,
                            "length": 14
                        }
                    ]
                },
                {
                    "content": "In cooperation with the AFSC,",
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                    "content": "series of longline surveys in the",
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                    "content": "northeast Pacific Ocean. Indepen-",
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                    "content": "dent U.S. surveys were initiated re-",
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                    "content": "cently, in anticipation of the",
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                    "content": "and the Aleutian Island -Bering Sea",
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                    "content": "data for the Gulf of Alaska are not",
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                    "content": "erative longline survey, a study",
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                    "content": "Japanese longline sampling gears.",
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                    "content": "will assist in attempts to relate Jap-",
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                    "content": "anese longline survey results and",
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                    "content": "NMFS longline survey results",
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                    "content": "through application of a fishing",
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                    "content": "power coefficient.",
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                    "content": "vided by HAROLD ZENGER.",
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                    "content": "West Coast Groundfish",
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                    "content": "AFSC Quarterly Report",
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                        3.0924,
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                        1.002,
                        3.3211
                    ],
                    "spans": [
                        {
                            "offset": 48688,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "Hope have completed 417 trawl",
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                    "spans": [
                        {
                            "offset": 48719,
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                        }
                    ]
                },
                {
                    "content": "hauls at stations between Pt. Con-",
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                        {
                            "offset": 48749,
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                    ]
                },
                {
                    "content": "ception and southern Washington.",
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                        {
                            "offset": 48784,
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                        }
                    ]
                },
                {
                    "content": "Sampling will continue until 7 Oc-",
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                            "offset": 48817,
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                        }
                    ]
                },
                {
                    "content": "tober, extending to approximately",
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                            "offset": 48852,
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                        }
                    ]
                },
                {
                    "content": "lat. 50°30'N, off the northern part",
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                            "offset": 48886,
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                        }
                    ]
                },
                {
                    "content": "of Vancouver Island. Cooperating",
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                    "spans": [
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                            "offset": 48922,
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                        }
                    ]
                },
                {
                    "content": "scientists from the REFM Division,",
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                            "offset": 48955,
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                    ]
                },
                {
                    "content": "the International Pacific Halibut",
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                    ]
                },
                {
                    "content": "Commission, the Washington",
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                    "spans": [
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                            "offset": 49024,
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                        }
                    ]
                },
                {
                    "content": "State Department of Fisheries, Or-",
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                        }
                    ]
                },
                {
                    "content": "egon State University, the Makah",
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                            "offset": 49086,
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                    ]
                },
                {
                    "content": "Tribal Council, and the Southwest",
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                },
                {
                    "content": "Fisheries Science Center's Tibu-",
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                    ]
                },
                {
                    "content": "ron Laboratory also participated.",
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                            "offset": 49186,
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                    ]
                },
                {
                    "content": "Although data from just the first",
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                    ]
                },
                {
                    "content": "third of the survey have been ed-",
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                    "spans": [
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                            "offset": 49254,
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                    ]
                },
                {
                    "content": "ited, some general observations",
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                            "offset": 49288,
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                    ]
                },
                {
                    "content": "can be made. Catches were gen-",
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                            "offset": 49320,
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                    ]
                },
                {
                    "content": "erally quite small in the southern",
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                    "spans": [
                        {
                            "offset": 49351,
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                    ]
                },
                {
                    "content": "half of the survey area. This fea-",
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                        {
                            "offset": 49386,
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                    ]
                },
                {
                    "content": "ture has been noted during previ-",
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                            "offset": 49421,
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                    ]
                },
                {
                    "content": "ous surveys which occurred",
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                            "offset": 49455,
                            "length": 26
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                    ]
                },
                {
                    "content": "during El Niño events, especially in",
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                            "offset": 49482,
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                    ]
                },
                {
                    "content": "1983. North of Cape Mendocino",
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                    ]
                },
                {
                    "content": "(approximately lat. 40°30'N),",
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                        }
                    ]
                },
                {
                    "content": "catch rates appeared similar to",
                    "polygon": [
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                    "spans": [
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                            "offset": 49579,
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                    ]
                },
                {
                    "content": "those from years with more normal",
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                    "spans": [
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                            "offset": 49611,
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                        }
                    ]
                },
                {
                    "content": "temperature regimes. Pacific whit-",
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                            "offset": 49645,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "ing and shortbelly rockfish were",
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                    "spans": [
                        {
                            "offset": 49680,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "important components in the",
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                    "spans": [
                        {
                            "offset": 49713,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "catches, as in past years. Pelagic",
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                    "spans": [
                        {
                            "offset": 49741,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "species, however, were more prev-",
                    "polygon": [
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                            "offset": 49776,
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                    ]
                },
                {
                    "content": "alent catch components this year.",
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                            "offset": 49810,
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                    ]
                },
                {
                    "content": "Larger than usual catches of Pa-",
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                    "spans": [
                        {
                            "offset": 49844,
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                        }
                    ]
                },
                {
                    "content": "cific herring, chub mackerel, and",
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                        {
                            "offset": 49877,
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                    ]
                },
                {
                    "content": "jack mackerel have been taken.",
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                            "offset": 49911,
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                    ]
                },
                {
                    "content": "Pacific sardines have also been",
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                        {
                            "offset": 49942,
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                    ]
                },
                {
                    "content": "noted in higher abundance and",
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                            "offset": 49974,
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                    ]
                },
                {
                    "content": "distributed in more northerly areas",
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                    "spans": [
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                            "offset": 50004,
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                    ]
                },
                {
                    "content": "than in previous surveys.",
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                        {
                            "offset": 50040,
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                    ]
                },
                {
                    "content": "The Pacific whiting size distri-",
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                            "offset": 50066,
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                        }
                    ]
                },
                {
                    "content": "bution off California was bimodal.",
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                        {
                            "offset": 50099,
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                        }
                    ]
                },
                {
                    "content": "Fish in the 24- to 28-cm mode",
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                            "offset": 50134,
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                    ]
                },
                {
                    "content": "dominated, though 43- to 47-cm",
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                    "spans": [
                        {
                            "offset": 50164,
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                    ]
                },
                {
                    "content": "fish were also quite abundant. As-",
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                        {
                            "offset": 50195,
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                    ]
                },
                {
                    "content": "suming that growth rates from re-",
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                    "spans": [
                        {
                            "offset": 50230,
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                    ]
                },
                {
                    "content": "cent years apply to these fish,",
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                            "offset": 50264,
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                    ]
                },
                {
                    "content": "these modes probably represent",
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                    "spans": [
                        {
                            "offset": 50296,
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                        }
                    ]
                },
                {
                    "content": "fish primarily from the 1991 and",
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                    "spans": [
                        {
                            "offset": 50327,
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                        }
                    ]
                },
                {
                    "content": "1987 year classes. Catches north",
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                    "spans": [
                        {
                            "offset": 50360,
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                    ]
                },
                {
                    "content": "of the California-Oregon border",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 50393,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "were composed almost entirely of",
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                    "spans": [
                        {
                            "offset": 50425,
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                        }
                    ]
                },
                {
                    "content": "the larger fish.",
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                    "spans": [
                        {
                            "offset": 50458,
                            "length": 16
                        }
                    ]
                },
                {
                    "content": "Knowing that a significant El",
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                    "spans": [
                        {
                            "offset": 50475,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Niño event was occurring, we in-",
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                    "spans": [
                        {
                            "offset": 50505,
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                    ]
                },
                {
                    "content": "corporated a more intense sam-",
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                    "spans": [
                        {
                            "offset": 50538,
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                        }
                    ]
                },
                {
                    "content": "pling of physical oceanographic",
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                            "offset": 50569,
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                    ]
                },
                {
                    "content": "data, including temperature pro-",
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                    "spans": [
                        {
                            "offset": 50601,
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                    ]
                },
                {
                    "content": "files at all stations and conductivity,",
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                    "spans": [
                        {
                            "offset": 50634,
                            "length": 39
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                    ]
                },
                {
                    "content": "temperature, and depth profile",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 50674,
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                    ]
                },
                {
                    "content": "(CTD) casts at over 100 stations",
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                    "spans": [
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                    ]
                },
                {
                    "content": "along the coast.",
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                    ]
                },
                {
                    "content": "Temperature information has",
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                    "spans": [
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                    ]
                },
                {
                    "content": "not been adequately analyzed yet,",
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                    "spans": [
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                    ]
                },
                {
                    "content": "but in general, surface tempera-",
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                    "spans": [
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                    ]
                },
                {
                    "content": "tures were higher than in all previ-",
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                },
                {
                    "content": "ous years except 1983. We",
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                            "offset": 50887,
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                    ]
                },
                {
                    "content": "noticed, however, that northerly",
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                            "offset": 50913,
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                    ]
                },
                {
                    "content": "winds of relatively short duration (1",
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                    ]
                },
                {
                    "content": "to 2 days) were causing surface",
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                            "offset": 50984,
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                    ]
                },
                {
                    "content": "temperatures to drop markedly,",
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                },
                {
                    "content": "apparently because the winds",
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                            "offset": 51047,
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                        }
                    ]
                },
                {
                    "content": "were initiating local upwelling. Fol-",
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                            "offset": 51076,
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                    ]
                },
                {
                    "content": "lowing these winds, sea surface",
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                            "offset": 51114,
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                        }
                    ]
                },
                {
                    "content": "temperatures would climb steadily",
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                            "offset": 51146,
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                    ]
                },
                {
                    "content": "over 4 to 5 days, returning to the",
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                    "spans": [
                        {
                            "offset": 51180,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "higher-than-normal states. We will",
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                    "spans": [
                        {
                            "offset": 51215,
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                        }
                    ]
                },
                {
                    "content": "be trying to relate changes in fish",
                    "polygon": [
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                    "spans": [
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                            "offset": 51250,
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                        }
                    ]
                },
                {
                    "content": "distributions to temperature anom-",
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                    "spans": [
                        {
                            "offset": 51286,
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                        }
                    ]
                },
                {
                    "content": "alies by comparing the 1992 data",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 51321,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "with what we have collected in pre-",
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                    "spans": [
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                        }
                    ]
                },
                {
                    "content": "vious years.",
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                    "spans": [
                        {
                            "offset": 51390,
                            "length": 12
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
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                    "spans": [
                        {
                            "offset": 51403,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by MARK WILKINS.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 51433,
                            "length": 25
                        }
                    ]
                },
                {
                    "content": "Shellfish Assessment Task",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 51459,
                            "length": 25
                        }
                    ]
                },
                {
                    "content": "(Kodiak)",
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                    ],
                    "spans": [
                        {
                            "offset": 51485,
                            "length": 8
                        }
                    ]
                },
                {
                    "content": "The Crab Assessment Program",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 51494,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "has completed calculations of",
                    "polygon": [
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                        9.3787,
                        5.3649,
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                        3.2794,
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                    ],
                    "spans": [
                        {
                            "offset": 51522,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "abundance for eastern Bering Sea",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 51552,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "crab stocks based on results of the",
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                    "spans": [
                        {
                            "offset": 51585,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "1992 bottom trawl survey. These",
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                    "spans": [
                        {
                            "offset": 51621,
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                        }
                    ]
                },
                {
                    "content": "estimates have been discussed",
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                    "spans": [
                        {
                            "offset": 51653,
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                        }
                    ]
                },
                {
                    "content": "with the ADF&G and with the",
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                    "spans": [
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                            "offset": 51683,
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                        }
                    ]
                },
                {
                    "content": "NMFS Alaska Regional Office. The",
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                    "spans": [
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                            "offset": 51711,
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                    ]
                },
                {
                    "content": "ADF&G has set guideline harvest",
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                    ]
                },
                {
                    "content": "levels (GHL) for commercial king",
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                    "spans": [
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                    ]
                },
                {
                    "content": "and Tanner crab fisheries in the",
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                    "spans": [
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                            "offset": 51809,
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                    ]
                },
                {
                    "content": "Bering Sea-Aleutian Islands re-",
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                    ]
                },
                {
                    "content": "gion. Data and charts showing",
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                },
                {
                    "content": "distribution and catch rates on a",
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                    ]
                },
                {
                    "content": "tow-by-tow basis have been dis-",
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                    ]
                },
                {
                    "content": "tributed to the fishing industry. Re-",
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                    ]
                },
                {
                    "content": "sults of the survey were presented",
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                },
                {
                    "content": "to the NPFMC at its September",
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                    ]
                },
                {
                    "content": "meeting.",
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                    ]
                },
                {
                    "content": "The abundance of Bristol Bay",
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                    ]
                },
                {
                    "content": "red king crab showed a decline",
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                    "spans": [
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                            "offset": 52111,
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                    ]
                },
                {
                    "content": "relative to 1991, while the abun-",
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                    ]
                },
                {
                    "content": "dance of blue king crab stocks re-",
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                    ]
                },
                {
                    "content": "mained stable. The abundance",
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                    ]
                },
                {
                    "content": "index for legal male Bristol Bay red",
                    "polygon": [
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                    ]
                },
                {
                    "content": "king crab was 5.7 million crab, as",
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                    "spans": [
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                        }
                    ]
                },
                {
                    "content": "compared to 12.0 million in 1991,",
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                        }
                    ]
                },
                {
                    "content": "and the GHL will be 10.3 million",
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                        }
                    ]
                },
                {
                    "content": "pounds, as compared to a catch of",
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                    ]
                },
                {
                    "content": "17.2 million pounds in 1991. The",
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                    ]
                },
                {
                    "content": "Bristol Bay stock is suffering from",
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                    ]
                },
                {
                    "content": "a long period of low recruitment,",
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                    ]
                },
                {
                    "content": "and estimates for juvenile crabs",
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                },
                {
                    "content": "are the lowest on record. While the",
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                    "content": "continuance of this fishery. Blue",
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                        5.8778,
                        9.9349,
                        5.359,
                        9.9257
                    ],
                    "confidence": 0.998,
                    "span": {
                        "offset": 58520,
                        "length": 7
                    }
                },
                {
                    "content": "(Fig.",
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                        9.7771,
                        6.1784,
                        9.7771,
                        6.1772,
                        9.9385,
                        5.9242,
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                    "confidence": 0.996,
                    "span": {
                        "offset": 58528,
                        "length": 5
                    }
                },
                {
                    "content": "1).",
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                    "confidence": 0.997,
                    "span": {
                        "offset": 58534,
                        "length": 3
                    }
                },
                {
                    "content": "The",
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                    "confidence": 0.999,
                    "span": {
                        "offset": 58538,
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                    }
                },
                {
                    "content": "deeper",
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                    "confidence": 0.996,
                    "span": {
                        "offset": 58542,
                        "length": 6
                    }
                },
                {
                    "content": "layer",
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                        9.7842,
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                        7.1141,
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                    "confidence": 0.995,
                    "span": {
                        "offset": 58549,
                        "length": 5
                    }
                },
                {
                    "content": "AFSC",
                    "polygon": [
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                    "confidence": 0.991,
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                        "length": 4
                    }
                },
                {
                    "content": "Quarterly",
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                    "confidence": 0.992,
                    "span": {
                        "offset": 58560,
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                    }
                },
                {
                    "content": "Report",
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                        1.9083,
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                    "confidence": 0.997,
                    "span": {
                        "offset": 58570,
                        "length": 6
                    }
                },
                {
                    "content": "13",
                    "polygon": [
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                        7.4228,
                        10.1407,
                        7.4248,
                        10.258,
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                    "confidence": 0.999,
                    "span": {
                        "offset": 58577,
                        "length": 2
                    }
                }
            ],
            "lines": [
                {
                    "content": "1",
                    "polygon": [
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                        2.0224,
                        0.2925,
                        2.0272,
                        0.2925,
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                    "spans": [
                        {
                            "offset": 53386,
                            "length": 1
                        }
                    ]
                },
                {
                    "content": "2.4 million pounds with 92% of the",
                    "polygon": [
                        0.8774,
                        1.0591,
                        2.9773,
                        1.0639,
                        2.9773,
                        1.2077,
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                    "spans": [
                        {
                            "offset": 53388,
                            "length": 34
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                    ]
                },
                {
                    "content": "fleet reporting. Landings were 3.4",
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                        }
                    ]
                },
                {
                    "content": "million pounds in 1991.",
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                            "length": 23
                        }
                    ]
                },
                {
                    "content": "The 1992 abundance index for",
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                        2.9725,
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                    "spans": [
                        {
                            "offset": 53482,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "Tanner crab (C. bairdi) is 41.8 mil-",
                    "polygon": [
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                        1.7253,
                        2.9677,
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                    ],
                    "spans": [
                        {
                            "offset": 53511,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "lion legal males, as opposed to",
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                    "spans": [
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                            "offset": 53548,
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                    ]
                },
                {
                    "content": "35.1 million in 1991. The 1992 GHL",
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                        2.9725,
                        2.1949,
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                    ],
                    "spans": [
                        {
                            "offset": 53580,
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                        }
                    ]
                },
                {
                    "content": "is 39.2 million pounds, as com-",
                    "polygon": [
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                        2.9677,
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                    "spans": [
                        {
                            "offset": 53615,
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                        }
                    ]
                },
                {
                    "content": "pared to a 1991 catch of 31.8 mil-",
                    "polygon": [
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                    ]
                },
                {
                    "content": "lion pounds. The eastern Bering",
                    "polygon": [
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                    "spans": [
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                        }
                    ]
                },
                {
                    "content": "Sea Tanner crab stock generally",
                    "polygon": [
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                    ]
                },
                {
                    "content": "has shown high levels of juvenile",
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                },
                {
                    "content": "abundance and good recruitment",
                    "polygon": [
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                            "length": 30
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                    ]
                },
                {
                    "content": "since 1986-87 when the fishery",
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                        }
                    ]
                },
                {
                    "content": "was closed due to low stock abun-",
                    "polygon": [
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                        {
                            "offset": 53842,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "dance. The current abundance of",
                    "polygon": [
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                        2.9773,
                        3.5512,
                        2.9773,
                        3.6997,
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                    "spans": [
                        {
                            "offset": 53876,
                            "length": 31
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                    ]
                },
                {
                    "content": "legal males is above the historical",
                    "polygon": [
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                        2.9629,
                        3.7189,
                        2.9629,
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                    "spans": [
                        {
                            "offset": 53908,
                            "length": 35
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                    ]
                },
                {
                    "content": "average. The abundance of com-",
                    "polygon": [
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                        2.9677,
                        3.8866,
                        2.9677,
                        4.0304,
                        0.8774,
                        4.04
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                        {
                            "offset": 53944,
                            "length": 30
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                    ]
                },
                {
                    "content": "mercial-size snow crab (C. opilio)",
                    "polygon": [
                        0.8822,
                        4.0496,
                        2.9629,
                        4.0496,
                        2.9629,
                        4.2173,
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                    ],
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                    ]
                },
                {
                    "content": "declined from a record high of",
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                    "spans": [
                        {
                            "offset": 54010,
                            "length": 30
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                    ]
                },
                {
                    "content": "484.1 million crab in 1991 to 256.4",
                    "polygon": [
                        0.887,
                        4.385,
                        2.9773,
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                        2.9773,
                        4.5336,
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                    "spans": [
                        {
                            "offset": 54041,
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                    ]
                },
                {
                    "content": "million in 1992. The GHL for 1992",
                    "polygon": [
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                        2.9677,
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                        {
                            "offset": 54077,
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                    ]
                },
                {
                    "content": "will be 207 million pounds, as com-",
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                        0.887,
                        4.7205,
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                        4.7301,
                        2.9725,
                        4.8739,
                        0.887,
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                        {
                            "offset": 54111,
                            "length": 35
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                    ]
                },
                {
                    "content": "pared to a catch of 315.5 million",
                    "polygon": [
                        0.887,
                        4.893,
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                        2.9677,
                        5.032,
                        0.887,
                        5.0368
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                        {
                            "offset": 54147,
                            "length": 33
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                    ]
                },
                {
                    "content": "pounds in 1991. Declining abun-",
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                        0.887,
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                        5.056,
                        2.9677,
                        5.2045,
                        0.887,
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                        {
                            "offset": 54181,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "dance was expected in this stock",
                    "polygon": [
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                        5.2237,
                        2.9725,
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                        5.3723
                    ],
                    "spans": [
                        {
                            "offset": 54213,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "due to the passage of an extremely",
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                        {
                            "offset": 54246,
                            "length": 34
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                    ]
                },
                {
                    "content": "large cohort which had supported",
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                        2.9725,
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                    "spans": [
                        {
                            "offset": 54281,
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                    ]
                },
                {
                    "content": "record catches in 1988 to 1991",
                    "polygon": [
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                        2.9534,
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                    "spans": [
                        {
                            "offset": 54314,
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                    ]
                },
                {
                    "content": "fisheries. Although the 1991 to",
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                    ]
                },
                {
                    "content": "1992 decline has been more",
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                        6.0576,
                        2.9773,
                        6.1966,
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                        6.1966
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                        {
                            "offset": 54377,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "abrupt than anticipated, overall",
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                        6.2205,
                        2.9773,
                        6.3691,
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                        6.3691
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                    "spans": [
                        {
                            "offset": 54404,
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                    ]
                },
                {
                    "content": "stock abundance remains high",
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                        {
                            "offset": 54437,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "and landings will remain well",
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                        6.556,
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                        {
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                        }
                    ]
                },
                {
                    "content": "above average.",
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                        {
                            "offset": 54496,
                            "length": 14
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                    ]
                },
                {
                    "content": "The Kodiak Island Borough",
                    "polygon": [
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                            "length": 25
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                    ]
                },
                {
                    "content": "project, conducted over the past 2",
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                        7.0592,
                        2.9773,
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                    "spans": [
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                            "length": 34
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                    ]
                },
                {
                    "content": "years, has been completed. This",
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                        7.2221,
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                    ]
                },
                {
                    "content": "project was contracted to the Ko-",
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                },
                {
                    "content": "diak Laboratory in order to investi-",
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                        {
                            "offset": 54638,
                            "length": 36
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                    ]
                },
                {
                    "content": "gate the suitability of Womans Bay,",
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                    "spans": [
                        {
                            "offset": 54675,
                            "length": 35
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                    ]
                },
                {
                    "content": "Trident Basin, and Anton Larsen",
                    "polygon": [
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                        2.9821,
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                        {
                            "offset": 54711,
                            "length": 31
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                    ]
                },
                {
                    "content": "Bay as juvenile red king crab hab-",
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                    ]
                },
                {
                    "content": "itat. The borough's main interest is",
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                    "spans": [
                        {
                            "offset": 54778,
                            "length": 36
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                    ]
                },
                {
                    "content": "in choosing a site for future red",
                    "polygon": [
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                        8.4059,
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                        {
                            "offset": 54815,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "king crab enhancement efforts that",
                    "polygon": [
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                        2.9821,
                        8.5736,
                        2.9821,
                        8.7269,
                        0.8918,
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                        {
                            "offset": 54849,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "may involve culture of red king",
                    "polygon": [
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                        8.7461,
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                        {
                            "offset": 54884,
                            "length": 31
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                    ]
                },
                {
                    "content": "crab, habitat alteration, or stocking",
                    "polygon": [
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                    ]
                },
                {
                    "content": "of adult brood stock. Of the three",
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                        {
                            "offset": 54954,
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                    ]
                },
                {
                    "content": "sites, Womans Bay had the highest",
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                },
                {
                    "content": "abundance of juveniles (as deter-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55023,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "mined by diver sampling), a more",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55057,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "variable temperature regime, and",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55090,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "greater habitat suitability. It was",
                    "polygon": [
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                        1.0735,
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                    "spans": [
                        {
                            "offset": 55123,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "recommended that future en-",
                    "polygon": [
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                        1.2412,
                        5.2019,
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                        3.1116,
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                    "spans": [
                        {
                            "offset": 55159,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "hancement efforts be concen-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55187,
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                        }
                    ]
                },
                {
                    "content": "trated in Womans Bay until the",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55216,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "benefits of a given type of en-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55247,
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                        }
                    ]
                },
                {
                    "content": "hancement could be evaluated.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55279,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Tracking of crab with sonic tags",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55309,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "showed that residence time in",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55342,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Womans Bay includes the first 5",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55372,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "years (age 0 to 4) of life. Age-2 to",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55404,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "-3 juveniles preferred shallow",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55441,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "water and were frequently found",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55472,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "near vertical structures such as pil-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55504,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "ings in winter. When temperatures",
                    "polygon": [
                        3.1116,
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                        5.1971,
                        3.2301,
                        5.1971,
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                    "spans": [
                        {
                            "offset": 55542,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "were below 4℃, crab were rela-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55576,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "tively immobile and remained in",
                    "polygon": [
                        3.1116,
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                        5.2019,
                        3.556,
                        5.2019,
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                    "spans": [
                        {
                            "offset": 55607,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "tight aggregates or pods. During",
                    "polygon": [
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                        3.7285,
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                    "spans": [
                        {
                            "offset": 55639,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "the winter they tended to move to",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55672,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "deeper water and become more",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55706,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "mobile and less aggregated. The",
                    "polygon": [
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                        4.2317,
                        5.1971,
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                    "spans": [
                        {
                            "offset": 55735,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "highest degree of mixing between",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55767,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "age groups occurred August",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55800,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "through October when tempera-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55827,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "tures were highest. Molting fre-",
                    "polygon": [
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                        5.1923,
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                    ],
                    "spans": [
                        {
                            "offset": 55857,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "quency declined to once per year",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55890,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "at a mean carapace length of 58",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 55923,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "mm or age 3. Distributions of all",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 55955,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "macroinvertebrates counted by di-",
                    "polygon": [
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                        5.564,
                        5.1923,
                        5.564,
                        5.1923,
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                    "spans": [
                        {
                            "offset": 55989,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "vers were highly contagious. Ju-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56023,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "venile red king crab showed the",
                    "polygon": [
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                        5.8946,
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                    "spans": [
                        {
                            "offset": 56056,
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                        }
                    ]
                },
                {
                    "content": "most contagious distribution of",
                    "polygon": [
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                        6.0576,
                        5.2019,
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                    ],
                    "spans": [
                        {
                            "offset": 56088,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "seven species examined and",
                    "polygon": [
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                        5.2067,
                        6.2253,
                        5.2067,
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                    ],
                    "spans": [
                        {
                            "offset": 56120,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "were, hence, most aggregated.",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 56147,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "The degree of contagion for age-0",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56177,
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                        }
                    ]
                },
                {
                    "content": "to -1 king crab was 30.7 times",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 56211,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "greater than that expected for a",
                    "polygon": [
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                        6.8962,
                        5.2019,
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                    ],
                    "spans": [
                        {
                            "offset": 56242,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "random distribution, while that for",
                    "polygon": [
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                        7.0592,
                        5.1923,
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                    ],
                    "spans": [
                        {
                            "offset": 56275,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "age-2 to -4 crab was 16.1 times",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 56311,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "greater. Comparative factors were",
                    "polygon": [
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                        5.1971,
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                    "spans": [
                        {
                            "offset": 56343,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "8.2 for Tanner crab and 6.2 for hel-",
                    "polygon": [
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                        7.5576,
                        5.1923,
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                    ],
                    "spans": [
                        {
                            "offset": 56377,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "met crab. Sonic tagging showed",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56414,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "that juvenile red king crab in Wom-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56445,
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                        }
                    ]
                },
                {
                    "content": "ans Bay maintained discrete, age-",
                    "polygon": [
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                        8.0752,
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                    ],
                    "spans": [
                        {
                            "offset": 56481,
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                        }
                    ]
                },
                {
                    "content": "specific aggregations for up to 25",
                    "polygon": [
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                        5.1923,
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                    "spans": [
                        {
                            "offset": 56515,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "months and confirms that they",
                    "polygon": [
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                        8.4106,
                        5.2019,
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                    "spans": [
                        {
                            "offset": 56550,
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                        }
                    ]
                },
                {
                    "content": "have highly aggregating (podding)",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56580,
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                        }
                    ]
                },
                {
                    "content": "behavior at least until age 5.",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 56614,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        8.9234,
                        5.2067,
                        9.0816,
                        3.3225,
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                    ],
                    "spans": [
                        {
                            "offset": 56645,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by ROBERT OTTO.",
                    "polygon": [
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                        9.0864,
                        4.8663,
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                        9.2541
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                    "spans": [
                        {
                            "offset": 56675,
                            "length": 24
                        }
                    ]
                },
                {
                    "content": "Recruitment Processes-FOCI",
                    "polygon": [
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                        9.35,
                        4.8567,
                        9.3547,
                        4.8567,
                        9.5033,
                        3.126,
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                    "spans": [
                        {
                            "offset": 56700,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "The scientific objective of the",
                    "polygon": [
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                        9.6087,
                        5.2067,
                        9.7669,
                        3.3273,
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                    ],
                    "spans": [
                        {
                            "offset": 56727,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Fisheries-Oceanography Coordi-",
                    "polygon": [
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                        5.2019,
                        9.7813,
                        5.2019,
                        9.9394,
                        3.1355,
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                    ],
                    "spans": [
                        {
                            "offset": 56759,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "nated Investigations (FOCI) Task is",
                    "polygon": [
                        5.3314,
                        1.0783,
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                        1.0783,
                        7.4361,
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                    ],
                    "spans": [
                        {
                            "offset": 56790,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "to understand the environmental",
                    "polygon": [
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                        1.246,
                        7.4313,
                        1.2508,
                        7.4313,
                        1.3994,
                        5.3314,
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                    ],
                    "spans": [
                        {
                            "offset": 56826,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "mechanisms causing recruitment",
                    "polygon": [
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                        1.4185,
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                        1.4185,
                        7.4361,
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                        5.341,
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                    ],
                    "spans": [
                        {
                            "offset": 56858,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "variation in walleye pollock. We",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56889,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "believe that the survival of larvae",
                    "polygon": [
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                        1.7444,
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                    ],
                    "spans": [
                        {
                            "offset": 56922,
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                        }
                    ]
                },
                {
                    "content": "spawned in Shelikof Strait is en-",
                    "polygon": [
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                        1.9026,
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                        2.0607,
                        5.3458,
                        2.0607
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                    "spans": [
                        {
                            "offset": 56958,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "hanced if they remain on the con-",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 56992,
                            "length": 33
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                    ]
                },
                {
                    "content": "tinental shelf and ultimately recruit",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 57026,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "to nearshore nursery areas rather",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 57064,
                            "length": 33
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                    ]
                },
                {
                    "content": "than be advected out to deep",
                    "polygon": [
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                    "spans": [
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                            "offset": 57098,
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                    ]
                },
                {
                    "content": "water in the Gulf of Alaska with little",
                    "polygon": [
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                        {
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                            "length": 39
                        }
                    ]
                },
                {
                    "content": "chance of return. One way that",
                    "polygon": [
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                    "spans": [
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                            "offset": 57167,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "larvae can be retained on the shelf",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 57198,
                            "length": 35
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                    ]
                },
                {
                    "content": "is to be hatched or entrained into",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 57234,
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                    ]
                },
                {
                    "content": "one of the many eddies that form",
                    "polygon": [
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                    "spans": [
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                            "offset": 57269,
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                        }
                    ]
                },
                {
                    "content": "in Shelikof Strait each year.",
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                        {
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                    ]
                },
                {
                    "content": "In the past, we have tried to use",
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                        {
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                    ]
                },
                {
                    "content": "several methods to detect the",
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                            "length": 29
                        }
                    ]
                },
                {
                    "content": "presence of eddies. Satellite im-",
                    "polygon": [
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                        7.4361,
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                    "spans": [
                        {
                            "offset": 57396,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "agery can tell us the location and",
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                        4.2413,
                        7.4313,
                        4.385,
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                    "spans": [
                        {
                            "offset": 57430,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "size of several eddies at once, but",
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                        {
                            "offset": 57465,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "observations are often hampered",
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                    "spans": [
                        {
                            "offset": 57501,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "by persistent cloud cover during",
                    "polygon": [
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                    "spans": [
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                    ]
                },
                {
                    "content": "the spring. We also have relied on",
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                    ]
                },
                {
                    "content": "the chance placement of a satel-",
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                    "spans": [
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                            "offset": 57601,
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                    ]
                },
                {
                    "content": "lite-tracked drifter buoy within an",
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                    ]
                },
                {
                    "content": "eddy, but full definition of an eddy",
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                    ]
                },
                {
                    "content": "feature is laborious and costly",
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                    "spans": [
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                            "offset": 57707,
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                    ]
                },
                {
                    "content": "using this method. Neither of",
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                    ]
                },
                {
                    "content": "these methods is capable of pro-",
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                    ]
                },
                {
                    "content": "viding instantaneous at-sea detec-",
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                        }
                    ]
                },
                {
                    "content": "tion and definition of eddies which",
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                    "spans": [
                        {
                            "offset": 57837,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "can be used to direct sampling in",
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                    "spans": [
                        {
                            "offset": 57873,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "the field.",
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                    "spans": [
                        {
                            "offset": 57907,
                            "length": 10
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                    ]
                },
                {
                    "content": "Quite by accident, it was dis-",
                    "polygon": [
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                            "offset": 57918,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "covered that hydroacoustic sam-",
                    "polygon": [
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                        {
                            "offset": 57949,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "pling may offer a real-time method",
                    "polygon": [
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                        7.064,
                        7.4265,
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                    "spans": [
                        {
                            "offset": 57981,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "of detecting and defining eddies.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 58016,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "During spring 1992, we arranged",
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                        {
                            "offset": 58050,
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                        }
                    ]
                },
                {
                    "content": "to use the RACE Pelagic Resource",
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                        {
                            "offset": 58082,
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                        }
                    ]
                },
                {
                    "content": "Assessment Task's Simrad EK500",
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                    "spans": [
                        {
                            "offset": 58115,
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                    ]
                },
                {
                    "content": "(38 kHz) echo sounding system to",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 58146,
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                    ]
                },
                {
                    "content": "look for aggregations of post-",
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                    "spans": [
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                            "offset": 58179,
                            "length": 30
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                    ]
                },
                {
                    "content": "spawning adult pollock. We ob-",
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                    "spans": [
                        {
                            "offset": 58210,
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                    ]
                },
                {
                    "content": "served anomalous patterns made",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 58241,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "by the sound scatterers in several",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 58272,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "locations in Shelikof Strait. These",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 58307,
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                    ]
                },
                {
                    "content": "patterns consisted of strong scat-",
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                        {
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                    ]
                },
                {
                    "content": "tering layers in the surface along a",
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                            "length": 36
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                    ]
                },
                {
                    "content": "transect with a rather sudden in-",
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                    ]
                },
                {
                    "content": "crease in the layer's depth and ab-",
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                    ]
                },
                {
                    "content": "solutely no scatterers detected in",
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                    ]
                },
                {
                    "content": "between (Fig. 1). The deeper layer",
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                },
                {
                    "content": "AFSC Quarterly Report",
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                {
                    "content": "13",
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                    "content": ".62.8:15601",
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                    "content": "July-August-September",
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                    "content": "45606 .62.8:15601",
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                    "content": "Depth (meters)",
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                    "content": "250 1$20",
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                    "content": "250 !$70",
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                    "content": "250 -.",
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                    "content": "Figure 1. Acoustic profile of a west-to-east transect (total distance of approximately 2.5 miles) at the edge of an",
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                    "content": "eddy located south of Shelikof Strait on 28 May 1992. The boundary of the eddy shows up a distinct layer rising to",
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                    "content": "the surface in the center of the trace. To the left, the distinctive clear region within the eddy is apparent.",
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                    "content": "appeared concave or bowl-like in",
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                    "content": "the transects. In one instance, this",
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                    ]
                },
                {
                    "content": "pattern was near a satellite drifter",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 59088,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "which followed a circular path.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 59125,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "This location and those of two",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 59157,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "other anomalous scattering layer",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59188,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "patterns were observed in satellite",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59221,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "images to contain eddy-like fea-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59257,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "tures (~20 to 25 km in diameter).",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59290,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "We made several acoustic tran-",
                    "polygon": [
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                        3.0741,
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                    ],
                    "spans": [
                        {
                            "offset": 59324,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "sects across one of the features to",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59355,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "map its three-dimensional shape",
                    "polygon": [
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                        7.8636,
                        3.0837,
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                        1.004,
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                    ],
                    "spans": [
                        {
                            "offset": 59391,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "and found it to be approximately",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 59423,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "circular, 20 km in diameter. We",
                    "polygon": [
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                        3.0837,
                        8.1983,
                        3.0837,
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                    "spans": [
                        {
                            "offset": 59456,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "took oceanographic measure-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59488,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "ments and made plankton tows at",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59516,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "various locations, both within and",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59548,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "immediately outside the eddy.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 59583,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Water property and Acoustic",
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                    "spans": [
                        {
                            "offset": 59613,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "Doppler Current Profiler data",
                    "polygon": [
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                        9.2021,
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                    ],
                    "spans": [
                        {
                            "offset": 59641,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "taken concurrently also indicated",
                    "polygon": [
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                        9.3742,
                        3.0885,
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                    ],
                    "spans": [
                        {
                            "offset": 59671,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "that this feature was an eddy.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 59705,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "Hopefully, this new tool may en-",
                    "polygon": [
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                        9.7136,
                        3.1076,
                        9.8666,
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                    ],
                    "spans": [
                        {
                            "offset": 59736,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "able us to locate eddies in real-time",
                    "polygon": [
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                        5.2781,
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                    ],
                    "spans": [
                        {
                            "offset": 59769,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "to conduct targeted sampling and",
                    "polygon": [
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                        6.1905,
                        5.2733,
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                        3.1984,
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                    ],
                    "spans": [
                        {
                            "offset": 59807,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "eventually allow us to describe the",
                    "polygon": [
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                        6.3578,
                        5.2781,
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                        3.208,
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                    ],
                    "spans": [
                        {
                            "offset": 59840,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "importance of eddies in larval sur-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59876,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "vival.",
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                    ],
                    "spans": [
                        {
                            "offset": 59912,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "Preliminary counts of pollock",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59919,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "larvae in the plankton tows con-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59949,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "ducted in 1992 revealed higher",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 59982,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "abundances at stations within the",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60013,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "eddies than in those surrounding",
                    "polygon": [
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                        7.529,
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                    "spans": [
                        {
                            "offset": 60047,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "the eddies. Subsequent analyses",
                    "polygon": [
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                        7.7011,
                        5.302,
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                    ],
                    "spans": [
                        {
                            "offset": 60080,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "of the growth and condition of the",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60112,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "larvae and the amount of food",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60147,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "available at contrasting sites within",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60177,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "and outside the eddy will deter-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60215,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "mine whether these eddies are",
                    "polygon": [
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                        8.5281,
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                    ],
                    "spans": [
                        {
                            "offset": 60248,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "also favorable for feeding and sur-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60278,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "vival of the larvae, as has been",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60314,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "indicated in previous years. In fu-",
                    "polygon": [
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                        5.3164,
                        9.0301,
                        5.3164,
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                        3.2367,
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                    ],
                    "spans": [
                        {
                            "offset": 60347,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "ture research, we plan to identify",
                    "polygon": [
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                        9.1974,
                        5.3116,
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                        3.2319,
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                    ],
                    "spans": [
                        {
                            "offset": 60383,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "these scatterers and determine",
                    "polygon": [
                        3.2367,
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                        5.3212,
                        9.3695,
                        5.3212,
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                        3.2367,
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                    ],
                    "spans": [
                        {
                            "offset": 60418,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "what causes them to aggregate",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60449,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "along the edges of the eddy.",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60479,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "The preceding information was",
                    "polygon": [
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                        6.0137,
                        7.5156,
                        6.1714,
                        5.6128,
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                    ],
                    "spans": [
                        {
                            "offset": 60508,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "provided by RICHARD BRODEUR.",
                    "polygon": [
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                        7.4917,
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                    ],
                    "spans": [
                        {
                            "offset": 60538,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "Fisheries Resource Pathobiology",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60567,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Analyses of the fourth year",
                    "polygon": [
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                        6.8646,
                        7.5156,
                        7.0128,
                        5.6223,
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                    ],
                    "spans": [
                        {
                            "offset": 60599,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "(1991) of blood samples collected",
                    "polygon": [
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                        7.5156,
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                    ],
                    "spans": [
                        {
                            "offset": 60627,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "to determine the prevalence and",
                    "polygon": [
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                        7.1944,
                        7.5204,
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                    ],
                    "spans": [
                        {
                            "offset": 60661,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "distribution of Bitter Crab Syn-",
                    "polygon": [
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                        7.5156,
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                    ],
                    "spans": [
                        {
                            "offset": 60693,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "drome (BCS) in both C. bairdi and",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60726,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "C. opilio in the Bering Sea were",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60760,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "completed. The results indicate",
                    "polygon": [
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                        7.8636,
                        7.5299,
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                    ],
                    "spans": [
                        {
                            "offset": 60793,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "that BCS is significantly more prev-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60825,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "alent in C. opilio. Prevalences di-",
                    "polygon": [
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                        7.5251,
                        8.1983,
                        7.5251,
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                    ],
                    "spans": [
                        {
                            "offset": 60862,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "minish toward the southern",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60898,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "distribution range of the species --",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60925,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "being highest in the Chukchi Sea",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60962,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "with progressively reduced preva-",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 60995,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "lences in Norton Sound, the north-",
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                    "content": "Bering Sea increased slightly in",
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                    "content": "1991 over previous years. The in-",
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                    "content": "cidence in C. bairdi is negligible, at",
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                    "content": "less than 1%.",
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                    "content": "Collections of Dungeness crab",
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                    "content": "from two sites in northern Puget",
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                    "content": "Sound (Smuggler's Cove and",
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                    "content": "Clayton Beach) were made to as-",
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                    "content": "sess the presence of a lethal, pro-",
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                    "content": "tistan parasite for the third",
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                    "content": "consecutive year. The evidence",
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                    "content": "suggests that the ciliated parasite",
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                },
                {
                    "content": "gains entry during the molting pe-",
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                },
                {
                    "content": "riod, resulting in an overall preva-",
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                },
                {
                    "content": "lence in shell-1 crabs of 34.3%.",
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                    "content": "Overall, infections were more prev-",
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                {
                    "content": "alent in males (18.6%) than fe-",
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                },
                {
                    "content": "males (7.1%). Infections were also",
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                    "content": "more prevalent at Smuggler's",
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                },
                {
                    "content": "Cove (24.1%) than at Clayton",
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                },
                {
                    "content": "Beach (9.5%).",
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                },
                {
                    "content": "The preceding information was",
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                    ]
                },
                {
                    "content": "provided by FRANK MORADO.",
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                },
                {
                    "content": "Pelagic Resource Assessment",
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                },
                {
                    "content": "Task",
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                            "offset": 61968,
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                },
                {
                    "content": "Echo integration-midwater",
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                {
                    "content": "trawl survey of Pacific whiting",
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                    "content": "Scientists from the RACE Divi-",
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                    "content": "sion conducted an echo integra-",
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                {
                    "content": "tion-midwater trawl (EIMWT)",
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                {
                    "content": "survey of Pacific whiting aboard",
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                },
                {
                    "content": "the NOAA research vessel Miller",
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                    "content": "Freeman from 7 July to 19 August",
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                {
                    "content": "as part of the West Coast triennial",
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                    "content": "groundfish survey. The area of op-",
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                    "content": "erations included waters off the",
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                {
                    "content": "west coast of the continental",
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                    "content": "United States from central Califor-",
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                {
                    "content": "nia to the north end of Vancouver",
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                },
                {
                    "content": "Island, British Columbia (Fig. 1).",
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                    "content": "The principal objective was to pro-",
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                    "content": "vide data for the estimation of age-",
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                    "content": "specific biomass and population",
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                    "content": "numbers for the pelagic compo-",
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                    "content": "nent of the coastal Pacific whiting",
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                    "content": "stock. A secondary objective was",
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                    "content": "to collect acoustic and biological",
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                {
                    "content": "data on selected rockfish species.",
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                {
                    "content": "The EIMWT survey was conducted",
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                    "content": "during daylight hours. Nighttime",
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                {
                    "content": "hours were used to collect whiting",
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                    "content": "target-strength data or to investi-",
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                {
                    "content": "gate aggregations of other midwa-",
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                {
                    "content": "ter and demersal fish species,",
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                    "content": "primarily rockfish.",
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                    "content": "In addition to the U.S. effort, the",
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                    "content": "Canadian Department of Fisheries",
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                    "content": "and Oceans' Pacific Biological",
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                    "content": "Station in Nanaimo, British Colum-",
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                    "content": "bia, conducted an EIMWT survey",
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                },
                {
                    "content": "off Vancouver Island from 29 July",
                    "polygon": [
                        3.1148,
                        2.5927,
                        5.1849,
                        2.6071,
                        5.1849,
                        2.7604,
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                    ],
                    "spans": [
                        {
                            "offset": 63120,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "to 2 September to assess whiting",
                    "polygon": [
                        3.1148,
                        2.7604,
                        5.1801,
                        2.77,
                        5.1801,
                        2.9234,
                        3.1148,
                        2.909
                    ],
                    "spans": [
                        {
                            "offset": 63154,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "in Canadian waters. On 10 Au-",
                    "polygon": [
                        3.11,
                        2.9186,
                        5.1801,
                        2.9282,
                        5.1801,
                        3.0719,
                        3.11,
                        3.0623
                    ],
                    "spans": [
                        {
                            "offset": 63187,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "gust, an intership calibration be-",
                    "polygon": [
                        3.11,
                        3.0959,
                        5.1801,
                        3.0911,
                        5.1849,
                        3.2492,
                        3.11,
                        3.254
                    ],
                    "spans": [
                        {
                            "offset": 63217,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "tween the U.S. and Canadian",
                    "polygon": [
                        3.1052,
                        3.2588,
                        5.1801,
                        3.2588,
                        5.1801,
                        3.4074,
                        3.1052,
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                    ],
                    "spans": [
                        {
                            "offset": 63252,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "research vessels was conducted",
                    "polygon": [
                        3.1148,
                        3.4314,
                        5.1801,
                        3.4314,
                        5.1801,
                        3.5751,
                        3.1148,
                        3.5703
                    ],
                    "spans": [
                        {
                            "offset": 63280,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "to compare acoustic system per-",
                    "polygon": [
                        3.11,
                        3.5991,
                        5.1753,
                        3.6039,
                        5.1753,
                        3.7476,
                        3.11,
                        3.7381
                    ],
                    "spans": [
                        {
                            "offset": 63311,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "formance.",
                    "polygon": [
                        3.1052,
                        3.7476,
                        3.7377,
                        3.7476,
                        3.7377,
                        3.901,
                        3.1052,
                        3.901
                    ],
                    "spans": [
                        {
                            "offset": 63343,
                            "length": 9
                        }
                    ]
                },
                {
                    "content": "Aggregations of whiting were",
                    "polygon": [
                        3.3065,
                        3.925,
                        5.1801,
                        3.9298,
                        5.1801,
                        4.0783,
                        3.3065,
                        4.0735
                    ],
                    "spans": [
                        {
                            "offset": 63353,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "encountered along the coast from",
                    "polygon": [
                        3.1196,
                        4.0927,
                        5.1849,
                        4.0927,
                        5.1801,
                        4.2461,
                        3.1196,
                        4.2365
                    ],
                    "spans": [
                        {
                            "offset": 63382,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "Point Sur, California, to the north",
                    "polygon": [
                        3.1244,
                        4.2461,
                        5.1801,
                        4.2556,
                        5.1801,
                        4.4042,
                        3.1244,
                        4.3946
                    ],
                    "spans": [
                        {
                            "offset": 63415,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "end of Vancouver Island. South of",
                    "polygon": [
                        3.1196,
                        4.4186,
                        5.1801,
                        4.4186,
                        5.1801,
                        4.5671,
                        3.1196,
                        4.5624
                    ],
                    "spans": [
                        {
                            "offset": 63451,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "Coos Bay, Oregon, whiting distri-",
                    "polygon": [
                        3.1148,
                        4.5863,
                        5.1753,
                        4.5911,
                        5.1705,
                        4.7445,
                        3.1148,
                        4.7397
                    ],
                    "spans": [
                        {
                            "offset": 63485,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "bution was very patchy. Medium",
                    "polygon": [
                        3.1196,
                        4.7541,
                        5.1705,
                        4.7541,
                        5.1705,
                        4.9026,
                        3.1196,
                        4.8978
                    ],
                    "spans": [
                        {
                            "offset": 63519,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "to low density aggregations were",
                    "polygon": [
                        3.1052,
                        4.9218,
                        5.1801,
                        4.9218,
                        5.1801,
                        5.0703,
                        3.1052,
                        5.0656
                    ],
                    "spans": [
                        {
                            "offset": 63550,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "found over bottom depths from",
                    "polygon": [
                        3.11,
                        5.0799,
                        5.1801,
                        5.0847,
                        5.1801,
                        5.2381,
                        3.11,
                        5.2237
                    ],
                    "spans": [
                        {
                            "offset": 63583,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "200 m to beyond 500 m. Midwater",
                    "polygon": [
                        3.1148,
                        5.2477,
                        5.1801,
                        5.2477,
                        5.1801,
                        5.3962,
                        3.1148,
                        5.3962
                    ],
                    "spans": [
                        {
                            "offset": 63613,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "trawl catches south of San Fran-",
                    "polygon": [
                        3.1148,
                        5.4154,
                        5.1849,
                        5.4154,
                        5.1849,
                        5.564,
                        3.1148,
                        5.564
                    ],
                    "spans": [
                        {
                            "offset": 63645,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "cisco (hauls 3 to 5) were domi-",
                    "polygon": [
                        3.1196,
                        5.5831,
                        5.1705,
                        5.5783,
                        5.1705,
                        5.7269,
                        3.1196,
                        5.7269
                    ],
                    "spans": [
                        {
                            "offset": 63678,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "nated by whiting with a modal",
                    "polygon": [
                        3.1196,
                        5.7461,
                        5.1753,
                        5.7461,
                        5.1753,
                        5.8994,
                        3.1196,
                        5.8946
                    ],
                    "spans": [
                        {
                            "offset": 63710,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "length of 24 to 25 cm (Fig. 2A). In",
                    "polygon": [
                        3.1148,
                        5.9042,
                        5.1849,
                        5.909,
                        5.1849,
                        6.0672,
                        3.1148,
                        6.0624
                    ],
                    "spans": [
                        {
                            "offset": 63740,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "the area between Fort Bragg, Cal-",
                    "polygon": [
                        3.1148,
                        6.072,
                        5.1801,
                        6.072,
                        5.1801,
                        6.2349,
                        3.1148,
                        6.2301
                    ],
                    "spans": [
                        {
                            "offset": 63776,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "ifornia, and Coos Bay, Oregon,",
                    "polygon": [
                        3.1196,
                        6.2397,
                        5.1801,
                        6.2493,
                        5.1753,
                        6.4026,
                        3.1196,
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                    ],
                    "spans": [
                        {
                            "offset": 63810,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "catches from midwater trawl hauls",
                    "polygon": [
                        3.1196,
                        6.4122,
                        5.1849,
                        6.4122,
                        5.1849,
                        6.5608,
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                    ],
                    "spans": [
                        {
                            "offset": 63841,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "8 to 16 consisted primarily of whit-",
                    "polygon": [
                        3.1244,
                        6.5656,
                        5.1753,
                        6.5704,
                        5.1753,
                        6.7333,
                        3.1244,
                        6.7285
                    ],
                    "spans": [
                        {
                            "offset": 63875,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "ing between 25 and 35 cm with a",
                    "polygon": [
                        3.1196,
                        6.7477,
                        5.1801,
                        6.7429,
                        5.1849,
                        6.8867,
                        3.1196,
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                    ],
                    "spans": [
                        {
                            "offset": 63912,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "few adults between 35 and 50 cm",
                    "polygon": [
                        3.1148,
                        6.9106,
                        5.1993,
                        6.9154,
                        5.1993,
                        7.0592,
                        3.1148,
                        7.0496
                    ],
                    "spans": [
                        {
                            "offset": 63944,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "(Fig. 2B).",
                    "polygon": [
                        3.1292,
                        7.0736,
                        3.6802,
                        7.0736,
                        3.6802,
                        7.2317,
                        3.1292,
                        7.2365
                    ],
                    "spans": [
                        {
                            "offset": 63976,
                            "length": 10
                        }
                    ]
                },
                {
                    "content": "Most of the coastal whiting bio-",
                    "polygon": [
                        3.3208,
                        7.2461,
                        5.1849,
                        7.2461,
                        5.1801,
                        7.4042,
                        3.3208,
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                    ],
                    "spans": [
                        {
                            "offset": 63987,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "mass was found north of Coos",
                    "polygon": [
                        3.1196,
                        7.4042,
                        5.1897,
                        7.409,
                        5.1849,
                        7.5672,
                        3.1196,
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                    ],
                    "spans": [
                        {
                            "offset": 64020,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "Bay. Midwater hauls were com-",
                    "polygon": [
                        3.1244,
                        7.5864,
                        5.1945,
                        7.5864,
                        5.1945,
                        7.7349,
                        3.1244,
                        7.7349
                    ],
                    "spans": [
                        {
                            "offset": 64049,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "posed primarily of adult whiting",
                    "polygon": [
                        3.1196,
                        7.7493,
                        5.1897,
                        7.7493,
                        5.1897,
                        7.917,
                        3.1196,
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                    ],
                    "spans": [
                        {
                            "offset": 64079,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "greater than 40 cm (Fig. 2C-G).",
                    "polygon": [
                        3.1148,
                        7.9218,
                        5.1897,
                        7.9218,
                        5.1897,
                        8.0896,
                        3.1148,
                        8.0896
                    ],
                    "spans": [
                        {
                            "offset": 64112,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Fish greater than 50 cm in length",
                    "polygon": [
                        3.1244,
                        8.0943,
                        5.1849,
                        8.0943,
                        5.1849,
                        8.2573,
                        3.1244,
                        8.2525
                    ],
                    "spans": [
                        {
                            "offset": 64144,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "were encountered in significant",
                    "polygon": [
                        3.1196,
                        8.2669,
                        5.1945,
                        8.2669,
                        5.1945,
                        8.4202,
                        3.1196,
                        8.4202
                    ],
                    "spans": [
                        {
                            "offset": 64178,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "quantities only in Canadian waters.",
                    "polygon": [
                        3.1196,
                        8.4346,
                        5.1801,
                        8.4346,
                        5.1801,
                        8.588,
                        3.1196,
                        8.5928
                    ],
                    "spans": [
                        {
                            "offset": 64210,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "Off Oregon and Washington, con-",
                    "polygon": [
                        3.1292,
                        8.5975,
                        5.1897,
                        8.6023,
                        5.1897,
                        8.7605,
                        3.1292,
                        8.7557
                    ],
                    "spans": [
                        {
                            "offset": 64246,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "centrations of whiting were found",
                    "polygon": [
                        3.1196,
                        8.7749,
                        5.1849,
                        8.7701,
                        5.1897,
                        8.9234,
                        3.1196,
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                    ],
                    "spans": [
                        {
                            "offset": 64278,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "over bottom depths as shallow as",
                    "polygon": [
                        3.1196,
                        8.933,
                        5.1897,
                        8.9378,
                        5.1897,
                        9.096,
                        3.1196,
                        9.096
                    ],
                    "spans": [
                        {
                            "offset": 64312,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "60 m, and they extended beyond",
                    "polygon": [
                        3.1196,
                        9.1055,
                        5.1897,
                        9.1055,
                        5.1897,
                        9.2685,
                        3.1196,
                        9.2637
                    ],
                    "spans": [
                        {
                            "offset": 64345,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "the edge of the continental shelf.",
                    "polygon": [
                        3.1196,
                        9.2781,
                        5.1801,
                        9.2781,
                        5.1801,
                        9.4266,
                        3.1196,
                        9.4266
                    ],
                    "spans": [
                        {
                            "offset": 64376,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "Trawl catches in this area were",
                    "polygon": [
                        3.1244,
                        9.441,
                        5.1945,
                        9.4458,
                        5.1945,
                        9.5944,
                        3.1244,
                        9.5896
                    ],
                    "spans": [
                        {
                            "offset": 64411,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "dominated by male fish (Fig. 2C-",
                    "polygon": [
                        3.1244,
                        9.6135,
                        5.1945,
                        9.6135,
                        5.1945,
                        9.7717,
                        3.1244,
                        9.7669
                    ],
                    "spans": [
                        {
                            "offset": 64443,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "D). Very little whiting echo-sign",
                    "polygon": [
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                        9.7765,
                        5.1945,
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                        5.1897,
                        9.9442,
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                    ],
                    "spans": [
                        {
                            "offset": 64476,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "was detected on La Perouse or",
                    "polygon": [
                        5.3287,
                        1.1166,
                        7.4228,
                        1.1214,
                        7.4228,
                        1.2604,
                        5.3287,
                        1.2508
                    ],
                    "spans": [
                        {
                            "offset": 64510,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Swiftsure Banks off southern Van-",
                    "polygon": [
                        5.3335,
                        1.2748,
                        7.4132,
                        1.2844,
                        7.4084,
                        1.4233,
                        5.3335,
                        1.4138
                    ],
                    "spans": [
                        {
                            "offset": 64540,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "couver Island, except in an area of",
                    "polygon": [
                        5.3335,
                        1.4473,
                        7.418,
                        1.4521,
                        7.418,
                        1.5959,
                        5.3335,
                        1.5911
                    ],
                    "spans": [
                        {
                            "offset": 64574,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "deeper water adjacent to Barkley",
                    "polygon": [
                        5.3335,
                        1.6102,
                        7.4132,
                        1.615,
                        7.4084,
                        1.7732,
                        5.3287,
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                    ],
                    "spans": [
                        {
                            "offset": 64610,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "Sound where the Canadian joint",
                    "polygon": [
                        5.3287,
                        1.7684,
                        7.4132,
                        1.7828,
                        7.4132,
                        1.9361,
                        5.3287,
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                    ],
                    "spans": [
                        {
                            "offset": 64643,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "venture fleet was fishing. The large",
                    "polygon": [
                        5.3335,
                        1.9409,
                        7.4084,
                        1.9457,
                        7.4036,
                        2.1039,
                        5.3287,
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                    ],
                    "spans": [
                        {
                            "offset": 64674,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "female fish in the south Canada",
                    "polygon": [
                        5.3191,
                        2.1039,
                        7.4084,
                        2.1134,
                        7.4084,
                        2.2572,
                        5.3191,
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                    ],
                    "spans": [
                        {
                            "offset": 64711,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "size composition (Fig. 2E) came",
                    "polygon": [
                        5.3287,
                        2.2764,
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                        2.2764,
                        7.4132,
                        2.4345,
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                    ],
                    "spans": [
                        {
                            "offset": 64743,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "from two trawl hauls off Barkley",
                    "polygon": [
                        5.3239,
                        2.4393,
                        7.4084,
                        2.4441,
                        7.4084,
                        2.6023,
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                    ],
                    "spans": [
                        {
                            "offset": 64775,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "Sound. North of lat. 49ºN, whiting",
                    "polygon": [
                        5.3287,
                        2.6023,
                        7.4036,
                        2.6023,
                        7.3988,
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                    ],
                    "spans": [
                        {
                            "offset": 64808,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "aggregations were strongly asso-",
                    "polygon": [
                        5.3143,
                        2.7796,
                        7.4036,
                        2.7796,
                        7.4036,
                        2.9282,
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                    ],
                    "spans": [
                        {
                            "offset": 64843,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "ciated with the shelf edge at about",
                    "polygon": [
                        5.3239,
                        2.9377,
                        7.4084,
                        2.9425,
                        7.4084,
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                    ],
                    "spans": [
                        {
                            "offset": 64876,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "200 m. Aggregations of whiting",
                    "polygon": [
                        5.3239,
                        3.1055,
                        7.4084,
                        3.1103,
                        7.4084,
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                    ],
                    "spans": [
                        {
                            "offset": 64912,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "were observed as far north as",
                    "polygon": [
                        5.3191,
                        3.2732,
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                        3.278,
                        7.4084,
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                        5.3191,
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                    ],
                    "spans": [
                        {
                            "offset": 64943,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Cape Scott at the northern tip of",
                    "polygon": [
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                        3.4314,
                        7.4084,
                        3.4361,
                        7.4084,
                        3.5991,
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                    ],
                    "spans": [
                        {
                            "offset": 64973,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "Vancouver Island and in an area",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 65007,
                            "length": 31
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                    ]
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                {
                    "content": "just west of Calvert Island.",
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                {
                    "content": "Throughout most of the survey",
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                },
                {
                    "content": "area, low-density, 20- to 50-m thick",
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                {
                    "content": "bands of whiting were observed at",
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                    ]
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                {
                    "content": "depths of 150 to 350 m extending",
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                    ]
                },
                {
                    "content": "out over deeper waters. This",
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                    ]
                },
                {
                    "content": "caused us to extend some tran-",
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                },
                {
                    "content": "sects up to 20 miles beyond the",
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                    ]
                },
                {
                    "content": "500-m bottom depth contour.",
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                    ]
                },
                {
                    "content": "The preceding information as",
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                    ]
                },
                {
                    "content": "provided by NEAL WILLIAMSON.",
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                    ]
                },
                {
                    "content": "Fishing gear research for by-",
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                    ]
                },
                {
                    "content": "catch reduction",
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                        }
                    ]
                },
                {
                    "content": "A 23-day cruise to observe",
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                            "offset": 65426,
                            "length": 26
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                    ]
                },
                {
                    "content": "groundfish behavior in response to",
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                            "length": 34
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                    ]
                },
                {
                    "content": "approaching trawls was con-",
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                        }
                    ]
                },
                {
                    "content": "ducted aboard the chartered ves-",
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                    ]
                },
                {
                    "content": "sel Royal Baron in the vicinity of",
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                    ]
                },
                {
                    "content": "Kodiak, Alaska, from 13 August to",
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                },
                {
                    "content": "4 September. This cruise was part",
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                    "content": "of a cooperative project with the",
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                {
                    "content": "International Pacific Halibut Com-",
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                    "content": "mission and representatives of the",
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                {
                    "content": "fishing industry to facilitate the de-",
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                },
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                    "content": "velopment of more selective bot-",
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                {
                    "content": "tom trawls aimed at reducing the",
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                    ]
                },
                {
                    "content": "bycatch of Pacific halibut.",
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                    "content": "The primary objective was to",
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                            "offset": 65889,
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                    ]
                },
                {
                    "content": "obtain observations of groundfish,",
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                {
                    "content": "particularly Pacific halibut and Pa-",
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                },
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                    "content": "cific cod, as they encounter vari-",
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                {
                    "content": "ous features of a bottom trawl.",
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                {
                    "content": "These observations were planned,",
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                    "content": "in consultation with industry trawl",
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                    "content": "experts, to record behaviors which",
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                },
                {
                    "content": "AFSC Quarterly Report",
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                    "content": "15",
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                    "spans": [
                        {
                            "offset": 66494,
                            "length": 6
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                    ]
                },
                {
                    "content": "50",
                    "polygon": [
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                    "spans": [
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                    ]
                },
                {
                    "content": "49",
                    "polygon": [
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                    "spans": [
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                    "content": "48",
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                    ]
                },
                {
                    "content": "47",
                    "polygon": [
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                    "spans": [
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                            "offset": 66510,
                            "length": 2
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                },
                {
                    "content": "Barkley Sound",
                    "polygon": [
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                    "spans": [
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                            "offset": 66513,
                            "length": 13
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                    ]
                },
                {
                    "content": "46",
                    "polygon": [
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                        9.0606,
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                    "spans": [
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                            "offset": 66527,
                            "length": 2
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                    ]
                },
                {
                    "content": "South",
                    "polygon": [
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                    "spans": [
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                            "offset": 66530,
                            "length": 5
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                    ]
                },
                {
                    "content": "Canada",
                    "polygon": [
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                    "spans": [
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                            "offset": 66536,
                            "length": 6
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                    ]
                },
                {
                    "content": "45",
                    "polygon": [
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                        9.252
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                    "spans": [
                        {
                            "offset": 66543,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "48 00",
                    "polygon": [
                        7.1898,
                        9.6732,
                        7.4292,
                        9.6732,
                        7.4292,
                        9.745,
                        7.1898,
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                    ],
                    "spans": [
                        {
                            "offset": 66546,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "130 00W",
                    "polygon": [
                        3.8055,
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                        4.1263,
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                    "spans": [
                        {
                            "offset": 66552,
                            "length": 7
                        }
                    ]
                },
                {
                    "content": "128 00",
                    "polygon": [
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                        5.1028,
                        9.8455,
                        5.1028,
                        9.9173,
                        4.8347,
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                    ],
                    "spans": [
                        {
                            "offset": 66560,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "126 00",
                    "polygon": [
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                        6.1319,
                        9.8455,
                        6.1319,
                        9.9221,
                        5.8495,
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                    ],
                    "spans": [
                        {
                            "offset": 66567,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "124 00",
                    "polygon": [
                        6.8739,
                        9.836,
                        7.1611,
                        9.836,
                        7.1611,
                        9.9173,
                        6.8739,
                        9.9173
                    ],
                    "spans": [
                        {
                            "offset": 66574,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "July-August-September 1992",
                    "polygon": [
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                        7.501,
                        10.104,
                        7.501,
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                        5.7203,
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                    "spans": [
                        {
                            "offset": 66581,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "16",
                    "polygon": [
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                        10.1136,
                        1.1919,
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                    ],
                    "spans": [
                        {
                            "offset": 66608,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "Figure 1. Survey trackline,",
                    "polygon": [
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                        2.5466,
                        8.9601,
                        2.5466,
                        9.1132,
                        1.0675,
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                    ],
                    "spans": [
                        {
                            "offset": 66611,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "midwater (x) and demersal (A )",
                    "polygon": [
                        1.0148,
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                        2.8099,
                        9.1228,
                        2.8099,
                        9.2712,
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                    ],
                    "spans": [
                        {
                            "offset": 66639,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "trawl haul locations, and biological",
                    "polygon": [
                        1.0196,
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                        3.0157,
                        9.2855,
                        3.0157,
                        9.4435,
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                    ],
                    "spans": [
                        {
                            "offset": 66670,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "sampling strata for the summer",
                    "polygon": [
                        1.0244,
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                        2.7811,
                        9.4531,
                        2.7811,
                        9.6014,
                        1.0244,
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                    ],
                    "spans": [
                        {
                            "offset": 66707,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "1992 West Coast EIMWT survey,",
                    "polygon": [
                        1.034,
                        9.611,
                        2.8673,
                        9.6206,
                        2.8625,
                        9.769,
                        1.034,
                        9.7546
                    ],
                    "spans": [
                        {
                            "offset": 66738,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "Miller Freeman cruise 92-8.",
                    "polygon": [
                        1.0196,
                        9.7738,
                        2.5705,
                        9.7738,
                        2.5705,
                        9.9173,
                        1.0196,
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                    ],
                    "spans": [
                        {
                            "offset": 66768,
                            "length": 27
                        }
                    ]
                },
                {
                    "content": "49 00N",
                    "polygon": [
                        7.1467,
                        0.9764,
                        7.4483,
                        0.9764,
                        7.4483,
                        1.0482,
                        7.1467,
                        1.0482
                    ],
                    "spans": [
                        {
                            "offset": 66796,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "South",
                    "polygon": [
                        4.8443,
                        1.0291,
                        5.1363,
                        1.0291,
                        5.1363,
                        1.1104,
                        4.8443,
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                    ],
                    "spans": [
                        {
                            "offset": 66803,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "Oregon",
                    "polygon": [
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                        2.9295,
                        1.3689,
                        2.9295,
                        1.4694,
                        2.5657,
                        1.4694
                    ],
                    "spans": [
                        {
                            "offset": 66809,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "13",
                    "polygon": [
                        1.8046,
                        1.4981,
                        1.9004,
                        1.4981,
                        1.9004,
                        1.5604,
                        1.8046,
                        1.5556
                    ],
                    "spans": [
                        {
                            "offset": 66816,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "12",
                    "polygon": [
                        1.7041,
                        1.7374,
                        1.7711,
                        1.7374,
                        1.7711,
                        1.8092,
                        1.7041,
                        1.8092
                    ],
                    "spans": [
                        {
                            "offset": 66819,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "× 2",
                    "polygon": [
                        1.7711,
                        1.8332,
                        1.886,
                        1.838,
                        1.886,
                        1.9002,
                        1.7711,
                        1.9002
                    ],
                    "spans": [
                        {
                            "offset": 66822,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "Eureka",
                    "polygon": [
                        1.3307,
                        2.0486,
                        1.6658,
                        2.0486,
                        1.6658,
                        2.1347,
                        1.3307,
                        2.1347
                    ],
                    "spans": [
                        {
                            "offset": 66826,
                            "length": 6
                        }
                    ]
                },
                {
                    "content": "10",
                    "polygon": [
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                        2.2879,
                        1.8046,
                        2.2879,
                        1.8046,
                        2.3501,
                        1.7185,
                        2.3501
                    ],
                    "spans": [
                        {
                            "offset": 66833,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "11",
                    "polygon": [
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                        2.2735,
                        2.0009,
                        2.2831,
                        1.9961,
                        2.3453,
                        1.9147,
                        2.3453
                    ],
                    "spans": [
                        {
                            "offset": 66836,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "41 00",
                    "polygon": [
                        3.8055,
                        2.3118,
                        4.0592,
                        2.3118,
                        4.0592,
                        2.3836,
                        3.8055,
                        2.3836
                    ],
                    "spans": [
                        {
                            "offset": 66839,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "California",
                    "polygon": [
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                        2.6229,
                        3.0396,
                        2.6229,
                        3.0396,
                        2.7187,
                        2.5849,
                        2.7187
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                    "spans": [
                        {
                            "offset": 66845,
                            "length": 10
                        }
                    ]
                },
                {
                    "content": "×9",
                    "polygon": [
                        1.8286,
                        2.7187,
                        1.9339,
                        2.7282,
                        1.9339,
                        2.7857,
                        1.8238,
                        2.7809
                    ],
                    "spans": [
                        {
                            "offset": 66856,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": ".24",
                    "polygon": [
                        6.2708,
                        3.719,
                        6.3713,
                        3.719,
                        6.3713,
                        3.7812,
                        6.266,
                        3.7908
                    ],
                    "spans": [
                        {
                            "offset": 66859,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "23",
                    "polygon": [
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                        3.8147,
                        6.3043,
                        3.8147,
                        6.3043,
                        3.8865,
                        6.2133,
                        3.8817
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                    "spans": [
                        {
                            "offset": 66863,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "South Columbia",
                    "polygon": [
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                        4.0397,
                        5.6389,
                        4.0397,
                        5.6389,
                        4.1402,
                        4.8538,
                        4.1402
                    ],
                    "spans": [
                        {
                            "offset": 66866,
                            "length": 14
                        }
                    ]
                },
                {
                    "content": "45 00",
                    "polygon": [
                        7.1563,
                        4.1498,
                        7.41,
                        4.1498,
                        7.41,
                        4.2264,
                        7.1563,
                        4.2264
                    ],
                    "spans": [
                        {
                            "offset": 66881,
                            "length": 5
                        }
                    ]
                },
                {
                    "content": "×22",
                    "polygon": [
                        6.1702,
                        4.2024,
                        6.309,
                        4.2024,
                        6.309,
                        4.2646,
                        6.1702,
                        4.2646
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                    "spans": [
                        {
                            "offset": 66887,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "21",
                    "polygon": [
                        6.108,
                        4.3317,
                        6.1846,
                        4.3317,
                        6.1846,
                        4.4082,
                        6.1032,
                        4.4082
                    ],
                    "spans": [
                        {
                            "offset": 66891,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "× 1",
                    "polygon": [
                        5.8878,
                        4.9587,
                        5.9644,
                        4.9587,
                        5.9644,
                        5.0209,
                        5.8878,
                        5.0209
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                    "spans": [
                        {
                            "offset": 66894,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "×18",
                    "polygon": [
                        6.1415,
                        5.1358,
                        6.2755,
                        5.1358,
                        6.2755,
                        5.1884,
                        6.1415,
                        5.1932
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                    "spans": [
                        {
                            "offset": 66898,
                            "length": 3
                        }
                    ]
                },
                {
                    "content": "17",
                    "polygon": [
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                        5.2219,
                        6.1415,
                        5.2267,
                        6.1367,
                        5.2985,
                        6.041,
                        5.2937
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                    "spans": [
                        {
                            "offset": 66902,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": ".Coos Bay",
                    "polygon": [
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                        5.3799,
                        6.7494,
                        5.3894,
                        6.7494,
                        5.4756,
                        6.3521,
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                    "spans": [
                        {
                            "offset": 66905,
                            "length": 9
                        }
                    ]
                },
                {
                    "content": "16",
                    "polygon": [
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                        5.8447,
                        5.5713,
                        5.8447,
                        5.6671,
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                    ],
                    "spans": [
                        {
                            "offset": 66915,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "43 00",
                    "polygon": [
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                        5.6671,
                        7.4052,
                        5.6671,
                        7.4052,
                        5.7436,
                        7.1515,
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                    "spans": [
                        {
                            "offset": 66918,
                            "length": 5
                        }
                    ]
                }
            ],
            "spans": [
                {
                    "offset": 66186,
                    "length": 737
                }
            ]
        },
        {
            "pageNumber": 20,
            "angle": 0,
            "width": 8.4861,
            "height": 11.0417,
            "unit": "inch",
            "words": [
                {
                    "content": "Hauls",
                    "polygon": [
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                    "confidence": 0.995,
                    "span": {
                        "offset": 66924,
                        "length": 5
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                },
                {
                    "content": "3-5",
                    "polygon": [
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                        3.1547,
                        1.067,
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                    "confidence": 0.998,
                    "span": {
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                {
                    "content": "Hauls",
                    "polygon": [
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                    "confidence": 0.995,
                    "span": {
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                        "length": 5
                    }
                },
                {
                    "content": "8-16",
                    "polygon": [
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                        1.0596,
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                        6.0532,
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                    "confidence": 0.989,
                    "span": {
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                    }
                },
                {
                    "content": "Proportion",
                    "polygon": [
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                {
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                {
                    "content": "a",
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                    "span": {
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                {
                    "content": "48%",
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                {
                    "content": "males",
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                {
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                    "content": "females",
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                    "span": {
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                {
                    "content": "49%",
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                    "span": {
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                },
                {
                    "content": "females",
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                {
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                    "content": "35%",
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                    "content": "females",
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                    "content": "48% males",
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                    "content": "52% females",
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                    "content": "04",
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                },
                {
                    "content": "2",
                    "polygon": [
                        1.5043,
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                        1.5709,
                        9.6618,
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                        9.8258,
                        1.5016,
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                    "confidence": 0.995,
                    "span": {
                        "offset": 68066,
                        "length": 1
                    }
                },
                {
                    "content": "continued.",
                    "polygon": [
                        1.6043,
                        9.6618,
                        2.2015,
                        9.6544,
                        2.2015,
                        9.8312,
                        1.602,
                        9.826
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                    "confidence": 0.992,
                    "span": {
                        "offset": 68068,
                        "length": 10
                    }
                },
                {
                    "content": "18",
                    "polygon": [
                        1.0578,
                        10.0561,
                        1.2214,
                        10.0607,
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                        10.1899,
                        1.0578,
                        10.185
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                    "confidence": 0.999,
                    "span": {
                        "offset": 68079,
                        "length": 2
                    }
                },
                {
                    "content": "July-August-September",
                    "polygon": [
                        5.7522,
                        10.0869,
                        7.2048,
                        10.0886,
                        7.2004,
                        10.2428,
                        5.7552,
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                    "confidence": 0.99,
                    "span": {
                        "offset": 68082,
                        "length": 21
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                },
                {
                    "content": "1992",
                    "polygon": [
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                        7.5436,
                        10.0909,
                        7.5436,
                        10.2428,
                        7.2464,
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                    "confidence": 0.989,
                    "span": {
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                        "length": 4
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                }
            ],
            "lines": [
                {
                    "content": "South Canada",
                    "polygon": [
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                        3.5516,
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                    "spans": [
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                            "length": 12
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                {
                    "content": "Proportion",
                    "polygon": [
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                        1.6849,
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                    "content": "n=1764",
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                    "spans": [
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                            "offset": 67673,
                            "length": 6
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                    ]
                },
                {
                    "content": "e",
                    "polygon": [
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                        4.0351,
                        1.6226,
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                        1.7279,
                        3.9489,
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                    "spans": [
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                            "offset": 67680,
                            "length": 1
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                {
                    "content": "0.14",
                    "polygon": [
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                            "offset": 67682,
                            "length": 4
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                    ]
                },
                {
                    "content": "46% males",
                    "polygon": [
                        3.3123,
                        1.9289,
                        3.7957,
                        1.9385,
                        3.7957,
                        2.0198,
                        3.3123,
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                    "spans": [
                        {
                            "offset": 67687,
                            "length": 9
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                    ]
                },
                {
                    "content": "AV 64% females",
                    "polygon": [
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                            "offset": 67697,
                            "length": 14
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                {
                    "content": "0.12",
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                {
                    "content": "0.1",
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                {
                    "content": "0.08",
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                            "offset": 67721,
                            "length": 4
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                {
                    "content": "0.06",
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                            "offset": 67726,
                            "length": 4
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                {
                    "content": "0.04",
                    "polygon": [
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                            "offset": 67731,
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                },
                {
                    "content": "0.02",
                    "polygon": [
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                            "offset": 67736,
                            "length": 4
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                },
                {
                    "content": "0",
                    "polygon": [
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                    "spans": [
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                            "offset": 67741,
                            "length": 1
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                    ]
                },
                {
                    "content": "20",
                    "polygon": [
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                        1.7806,
                        4.4465,
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                    "spans": [
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                            "offset": 67743,
                            "length": 2
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                    ]
                },
                {
                    "content": "25 30 35 40 45 50 55 60",
                    "polygon": [
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                        4.4417,
                        3.9058,
                        4.4513,
                        3.9058,
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                    "spans": [
                        {
                            "offset": 67746,
                            "length": 23
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                    ]
                },
                {
                    "content": "Length (cm)",
                    "polygon": [
                        2.4938,
                        4.5949,
                        3.2166,
                        4.5949,
                        3.2166,
                        4.7385,
                        2.4938,
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                            "length": 11
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                {
                    "content": "65",
                    "polygon": [
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                        4.0734,
                        4.4657,
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                            "offset": 67782,
                            "length": 2
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                    ]
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                {
                    "content": "North Canada",
                    "polygon": [
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                        1.278,
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                {
                    "content": "Proportion",
                    "polygon": [
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                        5.2892,
                        1.6752,
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                    "content": "n-2651",
                    "polygon": [
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                    "spans": [
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                            "offset": 67809,
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                    ]
                },
                {
                    "content": "f",
                    "polygon": [
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                {
                    "content": "0.14",
                    "polygon": [
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                },
                {
                    "content": "52% males",
                    "polygon": [
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                        1.9576,
                        6.8639,
                        1.9624,
                        6.8639,
                        2.0438,
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                    "spans": [
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                            "offset": 67823,
                            "length": 9
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                    ]
                },
                {
                    "content": "48% females",
                    "polygon": [
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                        6.9501,
                        2.106,
                        6.9453,
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                        6.414,
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                    "content": "0.12",
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                    "content": "0.1",
                    "polygon": [
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                    "content": "0.08",
                    "polygon": [
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                    "content": "0.06",
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                    "content": "0.04",
                    "polygon": [
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                    "content": "0.02",
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                    "content": "0",
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                    "spans": [
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                            "offset": 67874,
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                },
                {
                    "content": "20",
                    "polygon": [
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                    "spans": [
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                            "offset": 67876,
                            "length": 2
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                },
                {
                    "content": "25 30 35 40 45",
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                {
                    "content": "50",
                    "polygon": [
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                        6.4236,
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                    "spans": [
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                            "offset": 67894,
                            "length": 2
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                {
                    "content": "55",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 67897,
                            "length": 2
                        }
                    ]
                },
                {
                    "content": "60 65",
                    "polygon": [
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                        4.4848,
                        7.1559,
                        4.4848,
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                        6.7347,
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                    "spans": [
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                            "offset": 67900,
                            "length": 5
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                    ]
                },
                {
                    "content": "Length (cm)",
                    "polygon": [
                        5.5811,
                        4.6188,
                        6.2943,
                        4.6188,
                        6.2943,
                        4.7624,
                        5.5763,
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                    "spans": [
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                            "offset": 67906,
                            "length": 11
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                    ]
                },
                {
                    "content": "West Calvert I.",
                    "polygon": [
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                        4.9635,
                        5.2748,
                        4.9778,
                        5.2748,
                        5.198,
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                    "spans": [
                        {
                            "offset": 67918,
                            "length": 15
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                    ]
                },
                {
                    "content": "Proportion",
                    "polygon": [
                        3.3123,
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                        3.8293,
                        5.3703,
                        3.8293,
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                    ]
                },
                {
                    "content": "n-884",
                    "polygon": [
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                    "spans": [
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                            "offset": 67945,
                            "length": 5
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                    ]
                },
                {
                    "content": "g",
                    "polygon": [
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                        5.6864,
                        5.3607,
                        5.6864,
                        5.49,
                        5.5859,
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                    "spans": [
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                            "offset": 67951,
                            "length": 1
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                    "content": "0.14",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 67953,
                            "length": 4
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                    ]
                },
                {
                    "content": "41% males",
                    "polygon": [
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                        5.6718,
                        5.4423,
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                            "length": 9
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                    ]
                },
                {
                    "content": "50% females",
                    "polygon": [
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                        5.8059,
                        5.5333,
                        5.8106,
                        5.5333,
                        5.9064,
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                    "spans": [
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                            "offset": 67968,
                            "length": 11
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                {
                    "content": "0.12 -",
                    "polygon": [
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                        5.9877,
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                        5.983,
                        3.3602,
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                    "spans": [
                        {
                            "offset": 67980,
                            "length": 6
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                    ]
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                {
                    "content": "0.1",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 67987,
                            "length": 3
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                    ]
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                {
                    "content": "0.08",
                    "polygon": [
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                            "offset": 67991,
                            "length": 4
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                    ]
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                {
                    "content": "0.06",
                    "polygon": [
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                    "spans": [
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                            "offset": 67996,
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                    "content": "0.04",
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                    "spans": [
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                            "offset": 68001,
                            "length": 4
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                    ]
                },
                {
                    "content": "0.02 -",
                    "polygon": [
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                    "spans": [
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                            "offset": 68006,
                            "length": 6
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                    ]
                },
                {
                    "content": "0 4",
                    "polygon": [
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                    "spans": [
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                            "offset": 68013,
                            "length": 3
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                    ]
                },
                {
                    "content": "20 25 30 35 40 45 50",
                    "polygon": [
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                    "spans": [
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                            "offset": 68017,
                            "length": 20
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                    ]
                },
                {
                    "content": "55 60",
                    "polygon": [
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                    "spans": [
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                            "offset": 68038,
                            "length": 5
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                    ]
                },
                {
                    "content": "65",
                    "polygon": [
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                    "spans": [
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                            "offset": 68044,
                            "length": 2
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                    ]
                },
                {
                    "content": "Length (cm)",
                    "polygon": [
                        4.1164,
                        8.3761,
                        4.8632,
                        8.3761,
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                    ],
                    "spans": [
                        {
                            "offset": 68047,
                            "length": 11
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                    ]
                },
                {
                    "content": "Figure 2 continued.",
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                    "spans": [
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                            "offset": 68059,
                            "length": 19
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                    ]
                },
                {
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                    }
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                {
                    "content": "provided",
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                {
                    "content": "by",
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                    }
                },
                {
                    "content": "DANIEL",
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                    "confidence": 0.994,
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                },
                {
                    "content": "KIMURA.",
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                },
                {
                    "content": "AFSC",
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                {
                    "content": "Quarterly",
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                },
                {
                    "content": "Report",
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                    }
                },
                {
                    "content": "19",
                    "polygon": [
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            ],
            "lines": [
                {
                    "content": "are likely to be useful in developing",
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                    ]
                },
                {
                    "content": "more selective bottom trawls.",
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                },
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                    "content": "Fish behavior observations",
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                    "spans": [
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                    ]
                },
                {
                    "content": "were made with a video system",
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                    ]
                },
                {
                    "content": "consisting of a low-light camera",
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                },
                {
                    "content": "mounted on a pan-tilt apparatus",
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                },
                {
                    "content": "attached to the trawl. Connection",
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                },
                {
                    "content": "to the surface through an electro-",
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                    "content": "mechanical cable allowed real-",
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                    "content": "time viewing and aiming. Video",
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                    "content": "observations were recorded on",
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                    ]
                },
                {
                    "content": "tape for later analysis. An imaging",
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                },
                {
                    "content": "sonar, aimed to cover part of the",
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                {
                    "content": "camera's field of view, was used to",
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                },
                {
                    "content": "supplement the video observa-",
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                },
                {
                    "content": "tions.",
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                },
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                    "content": "The camera system was at-",
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                    ]
                },
                {
                    "content": "tached to the trawl at several loca-",
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                },
                {
                    "content": "tions, including a number of points",
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                    ]
                },
                {
                    "content": "on the top midline of the trawl be-",
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                },
                {
                    "content": "tween the headrope and the",
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                },
                {
                    "content": "codend and on a trawl wing.",
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                },
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                    "content": "These deployments allowed view-",
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                    ]
                },
                {
                    "content": "ing fish behavior as the fish en-",
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                },
                {
                    "content": "countered the lower bridles, as",
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                },
                {
                    "content": "they swam ahead of the footrope,",
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                },
                {
                    "content": "as they passed through the trawl,",
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                },
                {
                    "content": "as they accumulated near the",
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                },
                {
                    "content": "codend, and as they encountered",
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                },
                {
                    "content": "several internal trawl modifications",
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                },
                {
                    "content": "incorporated as experimental spe-",
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                },
                {
                    "content": "cies segregators.",
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                    ]
                },
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                    "content": "The observations collected",
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                },
                {
                    "content": "during this cruise will be analyzed",
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                    ]
                },
                {
                    "content": "for behavioral differences between",
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                },
                {
                    "content": "species and size groups. The",
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                },
                {
                    "content": "video observations and results of",
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                    ]
                },
                {
                    "content": "the analysis will be provided to the",
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                },
                {
                    "content": "fishing industry and trawl manu-",
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                    "content": "facturers to aid in their develop-",
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                },
                {
                    "content": "ment of more selective fishing",
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                    ]
                },
                {
                    "content": "trawls and strategies.",
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                    ]
                },
                {
                    "content": "Two additional projects were",
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                },
                {
                    "content": "carried out during this cruise. In",
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                },
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                    "content": "the first, hydroacoustics were used",
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                    ]
                },
                {
                    "content": "to observe the movement of wall-",
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                    ]
                },
                {
                    "content": "eye pollock in reaction to the ap-",
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                },
                {
                    "content": "proach of a vessel towing a bottom",
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                },
                {
                    "content": "trawl. These observations were",
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                },
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                    "content": "made with a scientific echo",
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                },
                {
                    "content": "sounder mounted on a small boat",
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                },
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                    "content": "which made a series of passes",
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                    "content": "over the area between the towing",
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                    "spans": [
                        {
                            "offset": 69752,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "vessel and the trawl, noting",
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                {
                    "content": "changes in fish position as the",
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                {
                    "content": "trawl approached. Understanding",
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                },
                {
                    "content": "the reaction of fish schools to sur-",
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                },
                {
                    "content": "face vessels and towed capture",
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                {
                    "content": "gear will play an important role in",
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                },
                {
                    "content": "defining biases associated with",
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                },
                {
                    "content": "abundance estimates.",
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                },
                {
                    "content": "The second was a pilot project",
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                },
                {
                    "content": "aimed at answering questions re-",
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                },
                {
                    "content": "lated to the survivability of Pacific",
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                    ]
                },
                {
                    "content": "halibut caught by trawl, which",
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                },
                {
                    "content": "must be discarded according to",
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                },
                {
                    "content": "current regulations. Scientists",
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                {
                    "content": "from",
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                            "length": 4
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                    ]
                },
                {
                    "content": "the",
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                        {
                            "offset": 70236,
                            "length": 3
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                    ]
                },
                {
                    "content": "University",
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                            "offset": 70240,
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                    ]
                },
                {
                    "content": "of",
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                    "spans": [
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                            "offset": 70251,
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                },
                {
                    "content": "Washington's Fisheries Research",
                    "polygon": [
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                            "offset": 70254,
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                },
                {
                    "content": "Institute kept trawl-caught halibut",
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                            "offset": 70286,
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                },
                {
                    "content": "in cages lowered to the sea floor",
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                },
                {
                    "content": "which were subsequently recov-",
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                    ]
                },
                {
                    "content": "ered to evaluate the proportion",
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                },
                {
                    "content": "surviving. The time in the cage and",
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                },
                {
                    "content": "number of fish per cage were var-",
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                },
                {
                    "content": "ied to evaluate this technique for",
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                            "offset": 70489,
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                },
                {
                    "content": "determining survival rates. Blood",
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                    ]
                },
                {
                    "content": "samples were also taken and ana-",
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                    "spans": [
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                            "offset": 70558,
                            "length": 32
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                    ]
                },
                {
                    "content": "lyzed to test for useful physiologi-",
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                            "offset": 70591,
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                },
                {
                    "content": "cal indicators of fish survivability.",
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                },
                {
                    "content": "The preceding information was",
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                },
                {
                    "content": "provided by CRAIG ROSE.",
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                    ]
                },
                {
                    "content": "RESOURCE",
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                },
                {
                    "content": "ECOLOGY AND",
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                            "length": 11
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                },
                {
                    "content": "FISHERIES",
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                },
                {
                    "content": "MANAGEMENT",
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                },
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                    "content": "(REFM) DIVISION",
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                },
                {
                    "content": "Food Habits Program",
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                    ]
                },
                {
                    "content": "Approximately 8,127 fish stom-",
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                    ]
                },
                {
                    "content": "achs were collected, 140 were",
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                {
                    "content": "scanned aboard ship, and 1,291",
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                },
                {
                    "content": "were analyzed in the laboratory for",
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                    "spans": [
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                            "offset": 70890,
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                },
                {
                    "content": "the Bering Sea area. A total of 381",
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                },
                {
                    "content": "stomachs from the Gulf of Alaska,",
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                },
                {
                    "content": "and 547 stomachs from the west",
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                },
                {
                    "content": "coast of North America were ana-",
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                },
                {
                    "content": "lyzed. Six observers were trained",
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                },
                {
                    "content": "for stomach collection this quarter.",
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                {
                    "content": "Data on various indicators of feed-",
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                },
                {
                    "content": "ing status such as bile color and",
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                },
                {
                    "content": "gall bladder fullness were col-",
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                },
                {
                    "content": "lected during the West Coast",
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                {
                    "content": "groundfish survey and will be used",
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                            "offset": 71262,
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                },
                {
                    "content": "to determine the accuracy of our",
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                },
                {
                    "content": "regurgitation determinations.",
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                {
                    "content": "Further analysis has been com-",
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                {
                    "content": "pleted of groundfish, marine mam-",
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                {
                    "content": "mal, and bird predation on walleye",
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                },
                {
                    "content": "pollock and Pacific herring from",
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                {
                    "content": "1985 to 1988 in the eastern Bering",
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                {
                    "content": "Sea. Although walleye pollock",
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                    "spans": [
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                            "offset": 71528,
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                {
                    "content": "cannibalism was the largest",
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                {
                    "content": "source of mortality for age-0 pol-",
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                {
                    "content": "lock, predation mortality of pollock",
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                {
                    "content": "by Pacific cod and marine mam-",
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                {
                    "content": "mals was also very important for",
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                {
                    "content": "age-1+ pollock. Instantaneous",
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                {
                    "content": "annual mortality rates from",
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                {
                    "content": "groundfish predation were esti-",
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                {
                    "content": "mated for ages 0-2 walleye pol-",
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                },
                {
                    "content": "lock. Interannual variation in these",
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                {
                    "content": "rates suggest the occurrence of",
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                    "content": "density-dependent predation pro-",
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                    "content": "cesses. Higher predation mortal-",
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                {
                    "content": "ity rates at age for the 1985 year",
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                    "content": "class of pollock were observed rel-",
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                {
                    "content": "ative to the 1986 and 1987 year",
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                    "content": "classes. The 1985 year class was",
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                },
                {
                    "content": "more abundant than other year",
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                },
                {
                    "content": "classes in the analysis, which sug-",
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                },
                {
                    "content": "gests that predators may tend to",
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                },
                {
                    "content": "partially switch to feeding on a",
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                    ]
                },
                {
                    "content": "more abundant year class.",
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                },
                {
                    "content": "The preceding information was",
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                    ]
                },
                {
                    "content": "provided by PATRICIA LIVING-",
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                },
                {
                    "content": "STON.",
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                },
                {
                    "content": "Age and Growth Studies",
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                {
                    "content": "From January to September",
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                },
                {
                    "content": "1992, the Age and Growth Task",
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                },
                {
                    "content": "members estimated the ages of",
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                    "spans": [
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                },
                {
                    "content": "groundfish species for 1,327 rock",
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                },
                {
                    "content": "sole, 363 rex sole, 1,254 yellowfin",
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                },
                {
                    "content": "sole, 8,914 walleye pollock, 3,030",
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                },
                {
                    "content": "Pacific cod, 1,865 sablefish, 827",
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                {
                    "content": "Atka mackerel, 2,918 Pacific whit-",
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                {
                    "content": "ing, and 1,908 Pacific ocean perch,",
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                    ]
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                    "content": "for a total of 22,406 fish. In addi-",
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                {
                    "content": "tion, 6,380 were examined, 704",
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                {
                    "content": "be unreadable, 3,214 were reread.",
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                    "content": "The preceding information was",
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                {
                    "content": "provided by DANIEL KIMURA.",
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                    "content": "AFSC Quarterly Report",
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                    "content": "Status",
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                    "content": "North Pacific groundfish",
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                    "content": "The Gulf of Alaska (GOA) and",
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                    "content": "rock sole, other flatfish, arrowtooth",
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                    "spans": [
                        {
                            "offset": 74277,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "GOA and BSAI assessments.)",
                    "polygon": [
                        0.9381,
                        8.9266,
                        3.0008,
                        8.9409,
                        3.0008,
                        9.1037,
                        0.9333,
                        9.0845
                    ],
                    "spans": [
                        {
                            "offset": 74312,
                            "length": 26
                        }
                    ]
                },
                {
                    "content": "These final assessments are avail-",
                    "polygon": [
                        0.9237,
                        9.0941,
                        3.02,
                        9.1037,
                        3.0152,
                        9.2616,
                        0.9237,
                        9.2473
                    ],
                    "spans": [
                        {
                            "offset": 74339,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "able as appendices to the Stock",
                    "polygon": [
                        0.9285,
                        9.2664,
                        3.0248,
                        9.2664,
                        3.0248,
                        9.4291,
                        0.9285,
                        9.4243
                    ],
                    "spans": [
                        {
                            "offset": 74374,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Assessment and Fishery Evalua-",
                    "polygon": [
                        0.9285,
                        9.4387,
                        3.0248,
                        9.4387,
                        3.02,
                        9.6062,
                        0.9285,
                        9.5919
                    ],
                    "spans": [
                        {
                            "offset": 74406,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "tion Report published in Septem-",
                    "polygon": [
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                        1.0291,
                        5.2168,
                        1.0339,
                        5.2168,
                        1.187,
                        3.1349,
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                    ],
                    "spans": [
                        {
                            "offset": 74437,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "ber 1992 by the PFMC. In brief:",
                    "polygon": [
                        3.1396,
                        1.1918,
                        5.0684,
                        1.1918,
                        5.0684,
                        1.345,
                        3.1396,
                        1.345
                    ],
                    "spans": [
                        {
                            "offset": 74470,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "Pacific whiting: A coastwide",
                    "polygon": [
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                        1.3593,
                        5.2072,
                        1.3689,
                        5.2072,
                        1.5125,
                        3.3359,
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                    ],
                    "spans": [
                        {
                            "offset": 74502,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "(U.S. plus Canada) ABC in 1993 of",
                    "polygon": [
                        3.1349,
                        1.5221,
                        5.212,
                        1.5268,
                        5.212,
                        1.68,
                        3.1349,
                        1.6752
                    ],
                    "spans": [
                        {
                            "offset": 74531,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "177,000 t is recommended from a",
                    "polygon": [
                        3.1444,
                        1.6944,
                        5.2072,
                        1.6992,
                        5.2072,
                        1.8427,
                        3.1444,
                        1.838
                    ],
                    "spans": [
                        {
                            "offset": 74565,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "geographic version of the stock",
                    "polygon": [
                        3.1301,
                        1.8715,
                        5.2072,
                        1.8619,
                        5.2072,
                        2.0055,
                        3.1301,
                        2.0151
                    ],
                    "spans": [
                        {
                            "offset": 74597,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "synthesis model. The model is",
                    "polygon": [
                        3.1396,
                        2.0342,
                        5.212,
                        2.0294,
                        5.212,
                        2.1682,
                        3.1396,
                        2.173
                    ],
                    "spans": [
                        {
                            "offset": 74629,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "tuned to triennial surveys of this",
                    "polygon": [
                        3.1349,
                        2.1922,
                        5.2072,
                        2.2017,
                        5.2072,
                        2.3453,
                        3.1349,
                        2.3357
                    ],
                    "spans": [
                        {
                            "offset": 74659,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "stock's biomass and divides the",
                    "polygon": [
                        3.1444,
                        2.3501,
                        5.2024,
                        2.3501,
                        5.1976,
                        2.5081,
                        3.1444,
                        2.5081
                    ],
                    "spans": [
                        {
                            "offset": 74694,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "population into U.S. and Canadian",
                    "polygon": [
                        3.1301,
                        2.5272,
                        5.2072,
                        2.5224,
                        5.212,
                        2.6708,
                        3.1301,
                        2.6804
                    ],
                    "spans": [
                        {
                            "offset": 74726,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "components. The ABC in 1993 is",
                    "polygon": [
                        3.1349,
                        2.6947,
                        5.2072,
                        2.6899,
                        5.2072,
                        2.8287,
                        3.1349,
                        2.8383
                    ],
                    "spans": [
                        {
                            "offset": 74760,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "lower than the 1992 ABC because",
                    "polygon": [
                        3.1349,
                        2.8527,
                        5.212,
                        2.8575,
                        5.212,
                        3.0058,
                        3.1349,
                        3.001
                    ],
                    "spans": [
                        {
                            "offset": 74791,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "of reduced recruitment since the",
                    "polygon": [
                        3.1396,
                        3.0202,
                        5.2168,
                        3.025,
                        5.2168,
                        3.1734,
                        3.1396,
                        3.1686
                    ],
                    "spans": [
                        {
                            "offset": 74823,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "1984 year class and because lack",
                    "polygon": [
                        3.1444,
                        3.1829,
                        5.212,
                        3.1829,
                        5.212,
                        3.3457,
                        3.1444,
                        3.3457
                    ],
                    "spans": [
                        {
                            "offset": 74856,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "of agreement between the United",
                    "polygon": [
                        3.1444,
                        3.3552,
                        5.2072,
                        3.3552,
                        5.2072,
                        3.5036,
                        3.1444,
                        3.5084
                    ],
                    "spans": [
                        {
                            "offset": 74889,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "States and Canada regarding allo-",
                    "polygon": [
                        3.1444,
                        3.5228,
                        5.212,
                        3.5275,
                        5.212,
                        3.6807,
                        3.1444,
                        3.6664
                    ],
                    "spans": [
                        {
                            "offset": 74921,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "cation of the total available yield",
                    "polygon": [
                        3.1444,
                        3.6903,
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                        3.6951,
                        5.2072,
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                    ],
                    "spans": [
                        {
                            "offset": 74955,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "has caused harvests to exceed the",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 74991,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "ABC.",
                    "polygon": [
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                        4.0205,
                        3.4651,
                        4.1498,
                        3.1396,
                        4.1498
                    ],
                    "spans": [
                        {
                            "offset": 75025,
                            "length": 4
                        }
                    ]
                },
                {
                    "content": "Sablefish: The sablefish stock",
                    "polygon": [
                        3.3359,
                        4.1881,
                        5.212,
                        4.1929,
                        5.212,
                        4.3364,
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                    ],
                    "spans": [
                        {
                            "offset": 75030,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "was assessed through application",
                    "polygon": [
                        3.1396,
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                        4.3604,
                        5.212,
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                        3.1396,
                        4.504
                    ],
                    "spans": [
                        {
                            "offset": 75061,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "of the size-structured version of",
                    "polygon": [
                        3.1444,
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                        4.5231,
                        5.2168,
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                    ],
                    "spans": [
                        {
                            "offset": 75094,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "the stock synthesis model. The",
                    "polygon": [
                        3.1396,
                        4.6906,
                        5.2216,
                        4.6906,
                        5.2216,
                        4.839,
                        3.1396,
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                    ],
                    "spans": [
                        {
                            "offset": 75128,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "model was used to explore the im-",
                    "polygon": [
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                        4.8582,
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                        5.2168,
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                    ],
                    "spans": [
                        {
                            "offset": 75159,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "plications of fitting either the bio-",
                    "polygon": [
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                        5.0209,
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                        5.0209,
                        5.2168,
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                    ],
                    "spans": [
                        {
                            "offset": 75193,
                            "length": 37
                        }
                    ]
                },
                {
                    "content": "mass observed in bottom trawl",
                    "polygon": [
                        3.1492,
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                        5.2072,
                        5.1884,
                        5.2072,
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                    ],
                    "spans": [
                        {
                            "offset": 75231,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "surveys or the relative trend ob-",
                    "polygon": [
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                        5.3655,
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                        5.2168,
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                    ],
                    "spans": [
                        {
                            "offset": 75261,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "served in fish pot surveys. The",
                    "polygon": [
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                        5.2216,
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                    "spans": [
                        {
                            "offset": 75295,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "former produces an optimistic sce-",
                    "polygon": [
                        3.1396,
                        5.6862,
                        5.2168,
                        5.691,
                        5.2168,
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                        3.1396,
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                    ],
                    "spans": [
                        {
                            "offset": 75327,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "nario that is consistent with recent",
                    "polygon": [
                        3.1492,
                        5.8585,
                        5.2216,
                        5.8585,
                        5.2216,
                        6.0021,
                        3.1492,
                        6.0021
                    ],
                    "spans": [
                        {
                            "offset": 75362,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "recommendations and indicates",
                    "polygon": [
                        3.1492,
                        6.026,
                        5.2216,
                        6.026,
                        5.2216,
                        6.1696,
                        3.1492,
                        6.1696
                    ],
                    "spans": [
                        {
                            "offset": 75399,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "that ABC should decline by about",
                    "polygon": [
                        3.1444,
                        6.1888,
                        5.2264,
                        6.1983,
                        5.2264,
                        6.3467,
                        3.1444,
                        6.3371
                    ],
                    "spans": [
                        {
                            "offset": 75429,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "1,000 t to maintain a constant ex-",
                    "polygon": [
                        3.1588,
                        6.3611,
                        5.2168,
                        6.3611,
                        5.2168,
                        6.5095,
                        3.1588,
                        6.5047
                    ],
                    "spans": [
                        {
                            "offset": 75462,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "ploitation rate. The latter suggests",
                    "polygon": [
                        3.1444,
                        6.5286,
                        5.2216,
                        6.5286,
                        5.2216,
                        6.6818,
                        3.1444,
                        6.677
                    ],
                    "spans": [
                        {
                            "offset": 75497,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "that sablefish have declined",
                    "polygon": [
                        3.1301,
                        6.6818,
                        5.2216,
                        6.6865,
                        5.2216,
                        6.8493,
                        3.1301,
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                    ],
                    "spans": [
                        {
                            "offset": 75534,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "greatly and that the ABC should be",
                    "polygon": [
                        3.1492,
                        6.8636,
                        5.2407,
                        6.8589,
                        5.2407,
                        7.0072,
                        3.1492,
                        7.012
                    ],
                    "spans": [
                        {
                            "offset": 75563,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "reduced to one-third of the 1992",
                    "polygon": [
                        3.1492,
                        7.0216,
                        5.2264,
                        7.0264,
                        5.2264,
                        7.17,
                        3.1492,
                        7.1652
                    ],
                    "spans": [
                        {
                            "offset": 75598,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "level. The optimistic scenario is",
                    "polygon": [
                        3.1444,
                        7.1843,
                        5.2311,
                        7.1891,
                        5.2311,
                        7.3423,
                        3.1444,
                        7.3375
                    ],
                    "spans": [
                        {
                            "offset": 75631,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "recommended with caution, and",
                    "polygon": [
                        3.154,
                        7.3566,
                        5.2264,
                        7.3566,
                        5.2264,
                        7.505,
                        3.154,
                        7.505
                    ],
                    "spans": [
                        {
                            "offset": 75665,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "the recommended ABC range is",
                    "polygon": [
                        3.1492,
                        7.5242,
                        5.2359,
                        7.5242,
                        5.2359,
                        7.6869,
                        3.1492,
                        7.6725
                    ],
                    "spans": [
                        {
                            "offset": 75695,
                            "length": 28
                        }
                    ]
                },
                {
                    "content": "5,000-7,000 t.",
                    "polygon": [
                        3.154,
                        7.6869,
                        3.9772,
                        7.6869,
                        3.9772,
                        7.8353,
                        3.154,
                        7.8305
                    ],
                    "spans": [
                        {
                            "offset": 75724,
                            "length": 14
                        }
                    ]
                },
                {
                    "content": "POP: A rebuilding program",
                    "polygon": [
                        3.3598,
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                        5.2311,
                        7.8688,
                        5.2311,
                        8.0219,
                        3.3598,
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                    ],
                    "spans": [
                        {
                            "offset": 75739,
                            "length": 25
                        }
                    ]
                },
                {
                    "content": "was established for POP in 1981",
                    "polygon": [
                        3.1588,
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                        8.0219,
                        5.2168,
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                    ],
                    "spans": [
                        {
                            "offset": 75765,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "following depletion of this stock by",
                    "polygon": [
                        3.154,
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                        5.2455,
                        8.1943,
                        5.2407,
                        8.357,
                        3.154,
                        8.3474
                    ],
                    "spans": [
                        {
                            "offset": 75797,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "foreign fleets during the 1960s and",
                    "polygon": [
                        3.1492,
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                        5.2311,
                        8.3666,
                        5.2311,
                        8.5197,
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                    ],
                    "spans": [
                        {
                            "offset": 75834,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "early 1970s. Strict trip limits are",
                    "polygon": [
                        3.1684,
                        8.5341,
                        5.2407,
                        8.5389,
                        5.2407,
                        8.692,
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                    ],
                    "spans": [
                        {
                            "offset": 75870,
                            "length": 35
                        }
                    ]
                },
                {
                    "content": "used to discourage target fishing.",
                    "polygon": [
                        3.1731,
                        8.7016,
                        5.2264,
                        8.716,
                        5.2216,
                        8.8691,
                        3.1731,
                        8.85
                    ],
                    "spans": [
                        {
                            "offset": 75906,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "A new comprehensive review of",
                    "polygon": [
                        3.1684,
                        8.8596,
                        5.2455,
                        8.8691,
                        5.2455,
                        9.0271,
                        3.1684,
                        9.0175
                    ],
                    "spans": [
                        {
                            "offset": 75941,
                            "length": 29
                        }
                    ]
                },
                {
                    "content": "fishery and survey data does not",
                    "polygon": [
                        3.154,
                        9.0367,
                        5.2503,
                        9.0462,
                        5.2503,
                        9.2042,
                        3.154,
                        9.1898
                    ],
                    "spans": [
                        {
                            "offset": 75971,
                            "length": 32
                        }
                    ]
                },
                {
                    "content": "indicate any significant rebuilding.",
                    "polygon": [
                        3.1636,
                        9.1994,
                        5.2311,
                        9.2137,
                        5.2311,
                        9.3813,
                        3.1636,
                        9.3621
                    ],
                    "spans": [
                        {
                            "offset": 76004,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "The stock is estimated to be at",
                    "polygon": [
                        3.1636,
                        9.3621,
                        5.2503,
                        9.3813,
                        5.2503,
                        9.5392,
                        3.1636,
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                    ],
                    "spans": [
                        {
                            "offset": 76041,
                            "length": 31
                        }
                    ]
                },
                {
                    "content": "about 50% of its maximum sustain-",
                    "polygon": [
                        3.1731,
                        9.5344,
                        5.2599,
                        9.5584,
                        5.2599,
                        9.7067,
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                    ],
                    "spans": [
                        {
                            "offset": 76073,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "able yield (MSY) level and recent",
                    "polygon": [
                        5.346,
                        1.0339,
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                        1.0339,
                        7.4471,
                        1.187,
                        5.346,
                        1.1918
                    ],
                    "spans": [
                        {
                            "offset": 76107,
                            "length": 33
                        }
                    ]
                },
                {
                    "content": "incidental harvests of about 1,000",
                    "polygon": [
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                    ],
                    "spans": [
                        {
                            "offset": 76141,
                            "length": 34
                        }
                    ]
                },
                {
                    "content": "t are near the level of overfishing.",
                    "polygon": [
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                    "spans": [
                        {
                            "offset": 76176,
                            "length": 36
                        }
                    ]
                },
                {
                    "content": "The review also indicates that",
                    "polygon": [
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                        1.5364,
                        7.4471,
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                    "spans": [
                        {
                            "offset": 76213,
                            "length": 30
                        }
                    ]
                },
                {
                    "content": "strong year classes, which are",
                    "polygon": [
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                    ]
                },
                {
                    "content": "necessary to rebuild the stock,",
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                    ]
                },
                {
                    "content": "occur infrequently so the lack of",
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                    ]
                },
                {
                    "content": "rebuilding is not unexpected.",
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                    ]
                },
                {
                    "content": "Dover sole: Size- and age-",
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                    ]
                },
                {
                    "content": "composition data from the Interna-",
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                },
                {
                    "content": "tional North Pacific Fisheries",
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                {
                    "content": "Commisssion's (INPFC) Eureka",
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                },
                {
                    "content": "and Columbia statistical areas",
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                    "content": "were analyzed by stock synthesis.",
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                    "content": "The analyses for each area were",
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                    ]
                },
                {
                    "content": "conducted independently be-",
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                    ]
                },
                {
                    "content": "cause tag return data indicate very",
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                    ]
                },
                {
                    "content": "little coastwide movement of adult",
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                    ]
                },
                {
                    "content": "Dover sole. The model was tuned",
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                    ]
                },
                {
                    "content": "with biomass estimates from bot-",
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                    ]
                },
                {
                    "content": "tom trawl surveys and a range of",
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                },
                {
                    "content": "assumptions regarding the",
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                            "offset": 76787,
                            "length": 25
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                    ]
                },
                {
                    "content": "catchability of the trawl. In the Eu-",
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                    "spans": [
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                            "offset": 76813,
                            "length": 37
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                    ]
                },
                {
                    "content": "reka area where recent harvests",
                    "polygon": [
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                    ]
                },
                {
                    "content": "have been about 3,500 t, the re-",
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                    ]
                },
                {
                    "content": "sults range from a heavily ex-",
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                    ]
                },
                {
                    "content": "ploited stock with a 1993",
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                            "offset": 76947,
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                        }
                    ]
                },
                {
                    "content": "recommended harvest of 1,732 t,",
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                    ]
                },
                {
                    "content": "to a stock that is only slightly below",
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                    ]
                },
                {
                    "content": "its target level with a 1993 ABC of",
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                    ]
                },
                {
                    "content": "4,134 t. In the Columbia area",
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                    ]
                },
                {
                    "content": "where recent harvests have in-",
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                    ]
                },
                {
                    "content": "creased to nearly 8,000 t, the re-",
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                    ]
                },
                {
                    "content": "sults range from a stock that is",
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                    ]
                },
                {
                    "content": "near its target level with a 1993",
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                    ]
                },
                {
                    "content": "ABC of 2,248 t, to a stock that is still",
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                    ]
                },
                {
                    "content": "above its target level with a 1993",
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                    ]
                },
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                    "content": "ABC of 5,766 t. The need for repli-",
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                    "content": "by the fact that the better model fits",
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                {
                    "content": "occurred at the higher biomass",
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                    "content": "levels in the Eureka area and at the",
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                    "content": "lower biomass levels in the Colum-",
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                {
                    "content": "bia area.",
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                    "content": "The preceding information was",
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                },
                {
                    "content": "provided by RICHARD METHOT.",
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                    "content": "King and Tanner Crab Research",
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                    "content": "REFM staff prepared an analy-",
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                    "content": "mum size limits on discard",
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                    "content": "July-August-September 1992",
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                {
                    "content": "eries which interact with the red",
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                    "spans": [
                        {
                            "offset": 78486,
                            "length": 33
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                    ]
                },
                {
                    "content": "king crab fishery.",
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                        {
                            "offset": 78520,
                            "length": 18
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                    ]
                },
                {
                    "content": "The preceding information was",
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                        {
                            "offset": 78539,
                            "length": 29
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                    ]
                },
                {
                    "content": "provided by JERRY REEVES.",
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                    "spans": [
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                            "offset": 78569,
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                },
                {
                    "content": "U.S. Fisheries Observer Program",
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                            "offset": 78595,
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                },
                {
                    "content": "Groundfish observer training",
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                            "offset": 78627,
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                },
                {
                    "content": "and deployments",
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                },
                {
                    "content": "Through September 1992, the",
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                },
                {
                    "content": "Observer Program trained 382 in-",
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                            "offset": 78700,
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                    ]
                },
                {
                    "content": "dividual observers for deployment",
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                },
                {
                    "content": "to domestic fishing vessels and",
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                    ]
                },
                {
                    "content": "processing plants and ships. An",
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                    ]
                },
                {
                    "content": "additional 14 observers were",
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                    "content": "trained by the University of Alaska",
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                },
                {
                    "content": "Anchorage through a pilot training",
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                },
                {
                    "content": "program funded by NMFS through",
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                },
                {
                    "content": "the Alaska Sea Grant Program.",
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                {
                    "content": "These 396 observers made over",
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                },
                {
                    "content": "600 observer deployments. Ob-",
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                    ]
                },
                {
                    "content": "servers sampled aboard 394 differ-",
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                        }
                    ]
                },
                {
                    "content": "ent fishing vessels and in 29",
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                            "offset": 79087,
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                },
                {
                    "content": "different processing plants. The",
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                },
                {
                    "content": "majority of observer deployments",
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                },
                {
                    "content": "were made in groundfish fisheries",
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                },
                {
                    "content": "off Alaska, where observer cover-",
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                },
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                    "content": "age aboard vessels in the groundf-",
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                },
                {
                    "content": "ish fishery is mandatory. Some",
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                },
                {
                    "content": "observer deployments (roughly",
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                },
                {
                    "content": "3%-5% of the total number of de-",
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                {
                    "content": "ployments) were made on catcher-",
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                {
                    "content": "processor and mothership vessels",
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                },
                {
                    "content": "in the Pacific whiting fishery off the",
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                },
                {
                    "content": "northwest coast of the United",
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                },
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                    "content": "States. Vessels in the Pacific whit-",
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                },
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                    "content": "ing fishery carried observers vol-",
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                {
                    "content": "untarily. Seventy-one percent of",
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                {
                    "content": "all observer deployments in 1992",
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                },
                {
                    "content": "were made by observers who had",
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                },
                {
                    "content": "made previous trips on domestic",
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                },
                {
                    "content": "vessels for the program.",
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                },
                {
                    "content": "High-seas driftnet observer",
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                    "content": "program",
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                },
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                    "content": "The high-seas driftnet portion",
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                {
                    "content": "of the Observer Program contin-",
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                },
                {
                    "content": "ued to compile data collected in",
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                },
                {
                    "content": "1991 by U.S. observers on 30 Jap-",
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                },
                {
                    "content": "anese, 10 Korean, and 8 Taiwanese",
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                    "content": "driftnet vessels. Joint reports were",
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                    "content": "completed on the data results from",
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                },
                {
                    "content": "Japanese and Taiwanese fisheries.",
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                },
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                    "content": "Copies of these reports can be ob-",
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                },
                {
                    "content": "tained upon request from the Of-",
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                    ]
                },
                {
                    "content": "fice of the Driftnet Coordinator,",
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                },
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                    "content": "AFSC. Work on the third joint re-",
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                },
                {
                    "content": "port with scientists from the Re-",
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                },
                {
                    "content": "public of Korea continues.",
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                },
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                    "content": "The preceding information was",
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                    ]
                },
                {
                    "content": "provided by RUSSELL NELSON.",
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                },
                {
                    "content": "Socioeconomic Assessments",
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                    "content": "Members of the Socioeco-",
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                },
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                    "content": "nomic Task contributed signifi-",
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                    "content": "cantly to the analyses and review",
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                    "content": "of fishery management plan",
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                    "content": "Councils.",
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                    "content": "tablishing an explicit allocation of",
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                    "content": "shore processing, at-sea process-",
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                    "content": "quota walleye pollock fisheries.",
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                    "content": "three pollock allocation fisheries",
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                    "content": "but did not address PSC allow-",
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                    "content": "ances for them.",
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                    "content": "asked that additional alternatives",
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                    "content": "be added before the draft is re-",
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                    "content": "leased for public comment.",
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                    "content": "Task members also assisted",
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                    "content": "the Alaska Regional Office in pre-",
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                    "content": "paring: 1) a draft for alternatives to",
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                    "content": "regulate fishing vessels returning",
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                    "content": "from the Russian exclusive eco-",
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                    "content": "nomic zone (EEZ) with fish that",
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                    "content": "cannot be retained if taken in the",
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                    "content": "fishing quota (IFQ) program rec-",
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                    "content": "ommended by the NPFMC.",
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                    "content": "In cooperation with the NOAA",
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                    "content": "members have provided an ongo-",
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                    "content": "ing review of draft regulatory lan-",
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                    "content": "guage and advice concerning the",
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                    "content": "use of economics in damage as-",
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                    "content": "sessment and restoration planning",
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                    "content": "in the Oil Pollution Act of 1990. The",
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                    "content": "Task also provided a NMFS techni-",
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                    "content": "cal representative in two planning",
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                    "content": "the Exxon Valdez Restoration Plan-",
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                    "content": "ning Working Group (RPWG). The",
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                    "content": "Janet",
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                    "content": "REFM",
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                {
                    "content": "Division.",
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                {
                    "content": "July-August-September",
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                {
                    "content": "1992",
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                    "content": "22",
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                    "content": "ITEMS",
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                    "content": "Taka Takes Off",
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                    "content": "KOGITA retired as",
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                    "content": "Deputy Director effec-",
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                },
                {
                    "content": "tive 3 October 1992.",
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                    "content": "TAKA began work-",
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                {
                    "content": "ing for the Federal",
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                    "content": "government in 1951",
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                    "content": "as a member of the",
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                {
                    "content": "U.S. Army at Fort",
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                {
                    "content": "Lawton, Washington,",
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                    "content": "where she served until",
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                    "content": "1958. After a break in",
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                    "content": "her career to raise a family, she joined the National",
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                    "content": "Marine Fisheries Service (NMFS) (Bureau of Com-",
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                },
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                    "content": "mercial Fisheries) and worked as a typist with the",
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                    "content": "Exploratory Fishing and Gear Research Base at the",
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                    "content": "Biological Laboratory at Montlake in 1970. In 1971,",
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                    "content": "during the early years of the Northwest and Alaska",
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                    "content": "Fisheries Center (NWAFC), she was hired as a secre-",
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                    "content": "tary in the Coastal Zone and Estuarine Studies",
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                    "content": "(CZES) Division, where she is well known for being",
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                    "content": "short of stature (often standing on a box to see into",
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                    "content": "the top drawer of the filing cabinet) and long on",
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                    "content": "outstanding performance (she received many awards",
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                    "content": "for exemplary performance). Despite being a super",
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                    "content": "secretary, she wasn't perfect. Once, when accomp-",
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                    "content": "lishing an extremely rushed job in which 10 people",
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                    "content": "were to receive 1 copy of a 10-page document, she",
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                    "content": "mailed each person 10 copies of a single different",
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                },
                {
                    "content": "page of the document, an act which over time en-",
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                {
                    "content": "deared her all the more to the CZES staff.",
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                    "content": "In 1983 TAKA joined the NWAFC Center Director's",
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                    "content": "Office staff, and eventually that of the AFSC, perform-",
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                {
                    "content": "ing the many duties of secretary and person \"Friday\"",
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                {
                    "content": "to Center Deputy Directors H. \"Heater\" Heyamoto,",
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                {
                    "content": "until his retirement in 1985; Ben Jones, until his retire-",
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                {
                    "content": "ment in 1991; and present AFSC Deputy Director Jim",
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                    "content": "Balsiger. During her tour of duty she always exhibited",
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                },
                {
                    "content": "boundless energy, a warm smile, and a special twin-",
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                {
                    "content": "kle in her eye, making her a pleasure to work with.",
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                    "content": "She wil be missed by many.",
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                    "content": "According to inside sources, TAKA plans to spend",
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                    "content": "her retirement playing volleyball, pickleball, bowling,",
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                {
                    "content": "and \"not, repeat not, babysitting for her grandchil-",
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                    "content": "dren.\"",
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                    "content": "This item was written by Susan Calderon of the",
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                    "content": "Publications Unit, former CZES Division Director Jerry",
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                            "offset": 84478,
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                },
                {
                    "content": "Monan, and former AFSC Deputy Director Ben Jones.",
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                {
                    "content": "Sueto Murai Retires",
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                    "content": "SUETO MURAI retired from the AFSC effective 2",
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                {
                    "content": "October 1992 after 41 years of Federal service, of",
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                {
                    "content": "which 39 years were spent with NMFS and its prede-",
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                {
                    "content": "cessor agencies.",
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                    "content": "SUETO grew up on Oahu, Hawaii, and graduated",
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                    "content": "from the University of Hawaii with a B.S. degree from",
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                    "content": "the School of Applied Science as a premed major.",
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                    "content": "Soon after graduating, he was drafted into the U.S.",
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                    "content": "Army where he served 2 years at the Letterman Army",
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                {
                    "content": "Hospital in San Francisco, California. In 1952, he",
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                    "content": "began his work in fisheries analyzing the stomach",
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                {
                    "content": "contents of tuna as part of the Pacific Oceanic Fish-",
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                    "content": "eries Investigations in Honolulu. After attending the",
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                    "content": "College of Engineering at the University of Hawaii,",
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                {
                    "content": "SUETO applied his newly acquired knowledge to an",
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                {
                    "content": "electric fish-guiding project on Pacific salmon when",
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                    "content": "he first joined the Bureau of Commercial Fisheries in",
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                {
                    "content": "Seattle, in 1954. He later worked under Frank",
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                    "content": "Fukuhara on a salmon stock identification study",
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                    "content": "based on morphology, and under Reynald Fredin on",
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                    "content": "a compilation of international Pacific salmon and",
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                    "content": "groundfish data. In 1959, his collection of salmon",
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                    "content": "samples led him on an extensive survey of salmon",
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                    "content": "hatcheries and rivers in Hokkaido, Japan. He served",
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                    "content": "as an observer aboard three different Japanese",
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                    "content": "salmon fishing vessels in 1962-63, in spite of breaking",
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                    "content": "his right wrist while working on the first vessel.",
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                {
                    "content": "In 1984, Sueto transferred to the Foreign Groundf-",
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                    "content": "ish Observer Program. He maintained the foreign",
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                    "content": "historical groundfish database for many years and",
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                    "content": "used his computer skills in checking and running the",
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                    "content": "\"best-blend\" estimates of the in-season foreign and",
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                    "content": "joint venture groundfish catches in the Bering Sea,",
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                    "content": "Gulf of Alaska, and off the Washington-Oregon-",
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                    "content": "California coast. As the fishery changed from foreign",
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                    "content": "to domestic, SUETO took charge of the domestic",
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                    "content": "groundfish logbook program, overseeing the editing,",
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                    "content": "data entry, and computer editing of the logbooks",
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                    "content": "turned in quarterly by commercial groundfish vessels",
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                    "content": "fishing in Alaska. During the 8 years he spent with the",
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                    "content": "Observer Program, SUETO always encouraged the",
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                    "content": "younger members of the staff to \"stick with it\" in their",
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                    "content": "pursuit of careers in fisheries or biology. His cowork-",
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                {
                    "content": "ers are happy that he practiced the same persever-",
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                    "content": "ance that he preached, because he provided them",
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                {
                    "content": "with the chance to know him during his 39 years with",
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                {
                    "content": "NMFS. They will miss him, and wish him well in the",
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                    "content": "years to come.",
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                {
                    "content": "This item was contributed by Janet Wall of the",
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                {
                    "content": "REFM Division.",
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                {
                    "content": "July-August-September 1992",
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                    "content": "22",
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                    ]
                },
                {
                    "content": "QUEIROLO and JOSEPH",
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                    ]
                },
                {
                    "content": "TERRY's paper, \"U.S. Fisheries",
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                },
                {
                    "content": "Management and Foreign Link-",
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                },
                {
                    "content": "ages: Policy Implications for",
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                    ]
                },
                {
                    "content": "Groundfish Fisheries in the North",
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                    ]
                },
                {
                    "content": "Pacific EEZ,\" was recognized as",
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                    ]
                },
                {
                    "content": "\"Best Publication of 1990\" appear-",
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                },
                {
                    "content": "ing in Marine Fisheries Review.",
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                {
                    "content": "VIDAR WESPESTAD was awarded",
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                },
                {
                    "content": "the American Fisheries Society's",
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                    "content": "(AFS) Distinguished Service",
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                {
                    "content": "Award at the society's annual",
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                {
                    "content": "meeting in Rapid City, South Da-",
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                    ]
                },
                {
                    "content": "kota.",
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                    "content": "Certificates of Recognition for",
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                {
                    "content": "\"Outstanding Contributions as a",
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                {
                    "content": "NOAA Employee Servicing the",
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                {
                    "content": "Public Interest in Response to the",
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                    ]
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                {
                    "content": "Exxon Valdez Oil Spill Disaster in",
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                },
                {
                    "content": "April 1989\" were presented to the",
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                    ]
                },
                {
                    "content": "following staff: DAVID CLAUSEN,",
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                },
                {
                    "content": "CHRISTOPHER DERRAH, JEF-",
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                    ]
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                    "content": "FREY FUJIOKA, RICHARD",
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                    ]
                },
                {
                    "content": "HAIGHT, EVAN HAYNES, DAN",
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                },
                {
                    "content": "KAMIKAWA, JOHN KARINEN,",
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                    ]
                },
                {
                    "content": "NANCY",
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                {
                    "content": "MALONEY, JEAN",
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                    ]
                },
                {
                    "content": "SONDRUD, THOMAS RUTECKI,",
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                },
                {
                    "content": "BRUCE WING, HEARD, SIDNEY",
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                    ]
                },
                {
                    "content": "TAYLOR, JOSEPH ORSI, MOLLY",
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                    ]
                },
                {
                    "content": "STURDEVANT, JOYCE LANDING-",
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                    ]
                },
                {
                    "content": "HAM, CARRITA MORRIS, CHARLES",
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                    "content": "GUTHRIE, STANLEY RICE, MALIN",
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                },
                {
                    "content": "BABCOCK, CHRISTINE BRODER-",
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                },
                {
                    "content": "SEN, PATRICIA ROUNDS, JEFFREY",
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                {
                    "content": "SHORT, SIDNEY KORN, CHARLES",
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                },
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                    "content": "O'CLAIR, MARK CARLS, JULIE",
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                },
                {
                    "content": "SHARP-DAHL, LINCOLN FREESE,",
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                    ]
                },
                {
                    "content": "ADAM MOLES, ROBERT STONE,",
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                    ]
                },
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                    "content": "TYRUS BROUILLETTE, LEWIS",
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                    ]
                },
                {
                    "content": "QUEIROLO, GEORGE SNYDER,",
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                    ]
                },
                {
                    "content": "FLORENCE MYNARSKI, ROBERT",
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                    ]
                },
                {
                    "content": "SIMPSON, and PAULA JOHN-",
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                    ]
                },
                {
                    "content": "SON.",
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                    ]
                },
                {
                    "content": "WILLIAM HIGH received his 30-",
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                            "offset": 89343,
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                    ]
                },
                {
                    "content": "year Length of Service Award.",
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                    ]
                },
                {
                    "content": "MOLES received a 20-year Length",
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                    ]
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                    "content": "of Service Award and JOHN EILER",
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                {
                    "content": "received a 10-year Length of Ser-",
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                {
                    "content": "vice Award.",
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                },
                {
                    "content": "PUBLIC SERVICE",
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                    "content": "AND COOPERATIVE",
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                    ]
                },
                {
                    "content": "ACTIVITIES",
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                            "length": 10
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                    ]
                },
                {
                    "content": "NATAYLA VARNAVSKAYA, VLA-",
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                    ]
                },
                {
                    "content": "DIMIR EFREMOV, and EUGENY",
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                    "content": "MATSAK arrived from Russia to do",
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                },
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                    "content": "cooperative research on genetic",
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                    "content": "stock identification of Asian and",
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                },
                {
                    "content": "North American salmon stocks at",
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                },
                {
                    "content": "the ABL.",
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                    ]
                },
                {
                    "content": "WING, HERBERT JAENICKE, and",
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                    ]
                },
                {
                    "content": "JOHN JOYCE conducted tours of",
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                },
                {
                    "content": "the ABL for cadets from the Japan-",
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                    "content": "ese research vessel Oshoro Maru",
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                    ]
                },
                {
                    "content": "IV.",
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                {
                    "content": "MOLES, DAVID LOVE, JAMES",
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                {
                    "content": "OLSEN, and JOHN HELLE met",
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                },
                {
                    "content": "with the Pacific Salmon Commis-",
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                {
                    "content": "sion (PSC) and the Alaska Depart-",
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                },
                {
                    "content": "ment of Fish and Game (ADF&G)",
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                },
                {
                    "content": "Commercial Fisheries Division to",
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                {
                    "content": "design and to implement a study",
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                {
                    "content": "to determine the contribution of",
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                    ]
                },
                {
                    "content": "Fraser River, British Columbia,",
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                            "offset": 90121,
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                    ]
                },
                {
                    "content": "sockeye salmon stocks to the",
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                },
                {
                    "content": "mixed-stock sockeye salmon fish-",
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                },
                {
                    "content": "eries of Southeast Alaska.",
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                    "content": "STEVEN IGNELL travelled to",
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                },
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                    "content": "Petropavlovsk, Magadan, and",
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                },
                {
                    "content": "Khabarovsk, Russia, at the invita-",
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                    "content": "tion of the Russian Government, to",
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                {
                    "content": "visit salmonid research facilities on",
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                },
                {
                    "content": "the Kamchatka Peninsula.",
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                    "content": "WILLIAM KARP returned to the",
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                {
                    "content": "AFSC after a 1-year assignment at",
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                    "content": "the Marine Research Institute in",
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                {
                    "content": "Bergen, Norway, where he collab-",
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                    "content": "orated with Norwegian scientists",
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                    "content": "on the improvement of acoustic",
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                    "content": "assessment techniques and inves-",
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                    "content": "tigated factors that influence the",
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                    "content": "accuracy of trawl and acoustic sur-",
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                {
                    "content": "veys.",
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                    "content": "DAN WALDECK participated in the",
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                {
                    "content": "second leg of the Taiwan Marine",
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                    "content": "Fisheries Institute's annual North",
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                    "content": "Pacific Ocean albacore coopera-",
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                    "content": "tive research cruise. The cruise,",
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                    "content": "conducted aboard the Taiwanese",
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                    "content": "research vessel Hai Kung, used",
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                    "content": "longline gear to investigate the dis-",
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                    "content": "tribution of tuna and billfish stocks",
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                    "content": "in the North Pacific Transition",
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                    "content": "Zone.",
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                    "content": "Alaska.",
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                    "content": "Parksville, British Columbia, where",
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                    "content": "Disease,\" and MOLES presented",
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                    "content": "Parasite Myxobolus articus on",
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                    "content": "Sockeye Salmon Smolts.\"",
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                    "content": "nar held at the Juneau Center for",
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                    "content": "sessment Studies.\" At the same",
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                    "content": "seminar, IGNELL presented \"Sub-",
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                    "content": "Variation in Asian Even-Year Pink",
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                    "content": "Salmon.\"",
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                    "content": "SNYDER attended the Western Di-",
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                    "content": "vision Meeting of the American",
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                    "content": "Fisheries Society at Fort Collins,",
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                    "content": "Bay Fisheries Laboratory.\"",
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                    "content": "Experience.\"",
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                    "content": "tions in the Central North Pacific\"",
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                    "content": "and Ocean Sciences, University of",
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                    "content": "Alaska Fairbanks.",
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                    "content": "ies Science Center (AFSC).",
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                    "content": "Ocean Perch in the Gulf of Alaska",
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                    "content": "Based on the Stock Synthesis",
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                    "content": "Model.\"",
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                    "content": "mittee held in Anchorage.",
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                    "content": "River, Alaska, to Predict Effects of",
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                    "content": "Glacial Flooding\" at the 1992",
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                    "content": "Northeast Pacific Chinook and",
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                    "content": "Coho Salmon Workshop in Boise,",
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                    "content": "Idaho.",
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                    "content": "WILLIAM ARON and R.V. MILLER",
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                    "content": "State for Oceans and Environment",
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                    "content": "about Bering Sea marine mammal",
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                    "content": "resources and U.S .- Russian activ-",
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                    "content": "ities.",
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                    "content": "Whidbey Island Naval Air Station",
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                            "offset": 96462,
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                    ]
                },
                {
                    "content": "plementation Plan.",
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                {
                    "content": "ARTHUR KENDALL JR. presented",
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                    ]
                },
                {
                    "content": "\"Olympic Mudminnow Larvae\" and",
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                    "content": "MORGAN BUSBY presented",
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                {
                    "content": "\"Identification of Larval and Juve-",
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                    ]
                },
                {
                    "content": "nile Poachers (Agonidae) in the",
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                            "offset": 96628,
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                },
                {
                    "content": "Northeastern Pacific Ocean and",
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                {
                    "content": "Bering Sea\" at the annual meeting",
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                },
                {
                    "content": "of the Gilbert Ichthyological Soci-",
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                },
                {
                    "content": "ety in Mckenzie Bridge, Oregon.",
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                {
                    "content": "RICHARD MARASCO attended a",
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                },
                {
                    "content": "meeting in Juneau with Alaska Re-",
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                {
                    "content": "gional staff members to prepare",
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                },
                {
                    "content": "for the NPFMC's analysis of",
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                },
                {
                    "content": "Amendment 18, which addresses",
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                    ]
                },
                {
                    "content": "the inshore-offshore allocation of",
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                    ]
                },
                {
                    "content": "walleye pollock for 1993-95 in the",
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                            "offset": 96979,
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                    ]
                },
                {
                    "content": "Bering Sea-Aleutian Islands.",
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                    "content": "MARASCO attended the NPFMC",
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                },
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                    "content": "SSC meeting in Juneau and the",
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                {
                    "content": "General Council Meeting in An-",
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                },
                {
                    "content": "chorage.",
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                    "content": "PATRICIA LIVINGSTON presented",
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                },
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                    "content": "a membership report to the Inter-",
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                },
                {
                    "content": "national Fisheries Section at the",
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                },
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                    "content": "annual meeting of the American",
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                },
                {
                    "content": "Fisheries Society in Rapid City,",
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                },
                {
                    "content": "and VIDAR WESPESTAD pre-",
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                    "content": "sented the paper \"World Fisheries",
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                },
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                    "content": "Congress-Overview and Sum-",
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                },
                {
                    "content": "mary.\" ALEX WERTHEIMER,",
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                },
                {
                    "content": "HELLE, and BABCOCK also at-",
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                {
                    "content": "tended the meeting.",
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                    ]
                },
                {
                    "content": "SANDRA LOWE chaired the",
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                },
                {
                    "content": "NPFMC Gulf of Alaska (GOA)",
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                },
                {
                    "content": "Groundfish Plan Team meetings",
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                },
                {
                    "content": "held at the AFSC. JAMES HASTIE,",
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                    ]
                },
                {
                    "content": "ANNE HOLLOWED, GRANT",
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                },
                {
                    "content": "THOMPSON,",
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                },
                {
                    "content": "and",
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                },
                {
                    "content": "TOM",
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                {
                    "content": "WILDERBUER presented prelimi-",
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                    "content": "nary stock assessments for",
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                },
                {
                    "content": "groundfish species in the GOA.",
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                    "content": "LOH-LEE LOW chaired the",
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                },
                {
                    "content": "NPFMC Bering Sea-Aleutian Is-",
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                },
                {
                    "content": "lands Groundfish Plan Team meet-",
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                },
                {
                    "content": "ings. TERRY, QUEIROLO,",
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                },
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                    "content": "HASTIE, IANELLI, REBECCA",
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                },
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                    "content": "BALDWIN, THOMPSON,and",
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                    "content": "WILDERBUER presented prelimi-",
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                    "content": "nary stock assessments for",
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                },
                {
                    "content": "groundfish species in the BSAI re-",
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                    "content": "gion.",
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                    "content": "LOWE attended a Gulf of Alaska",
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                    "content": "Rockfish Technical Committee",
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                    "content": "meeting of the NPFMC in Anchor-",
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                },
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                    "content": "age. LOWE, LOW, and RUSSELL",
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                    "content": "NELSON attended the NPFMC",
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                    "content": "meetings in Anchorage.",
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                    "content": "ANTONELIS, G. A. , C. W. FOWLER, and J. D. BAKER.",
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                {
                    "content": "p. 48-72. U.S. Dep. Commer., NOAA Tech. Memo.",
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                {
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                    "content": "NOAA Tech. Memo. NMFS-AFSC-2.",
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                    "content": "Dungeness crab, Cancer magister, larvae. Can. J.",
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                    "content": "Fish. Aquat. Sci. 49:1379-1388.",
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                    "content": "INSLEY, S. J.",
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                {
                    "content": "in the Pribilof Islands, Alaska: a preliminary assess-",
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                {
                    "content": "ment. In H. Kajimura and E. Sinclair (editors), Fur",
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                {
                    "content": "seal investigations, 1990, p. 27-47. U.S. Dep. Com-",
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                    "content": "Newport, Oregon, Sea Grant Rep. ORESU-W-92-001.",
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                    "content": "YORK, A. E., and C. W. FOWLER.",
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                    "content": "seal investigations, 1990, p. 9-26. U.S. Dep. Com-",
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                    "spans": [
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                    ]
                },
                {
                    "content": "mer., NOAA Tech. Memo. NMFS-AFSC-2.",
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                    "content": "TECHNICAL MEMORANDUMS1",
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                    "content": "JOHNSON, P. A., S. D. RICE, and M. M. BABCOCK.",
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                            "offset": 107734,
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                {
                    "content": "Sound studies: bibliography of 1960-91 publications",
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                    "content": "and reports, Auke Bay Laboratory, 98 p. U.S. Dep.",
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                    "content": "Commer., NOAA Tech. Memo. NMFS-AFSC-3.",
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                    "content": "FERRERO, R. C., and C. W. FOWLER (editors)",
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                    "content": "Washington, and Alaska. Processed Report 92-03,",
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                {
                    "content": "Alaska Fisheries Science, NMFS, NOAA, 7600 Sand",
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                    "content": "Point Way NE., Seattle, WA 98115, 101 p.",
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            "content": "National Marine Fisheries Service U.S. DEPARTMENT OF COMMERCE"
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            "content": "NATIONAL MARINE FISHERIES SER. TIBURON LABORATORY LIBRARY"
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            "content": "7600 Sand Point Way N.E., Bin C15700, Building 4, Seattle, WA 98115-0070"
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            "content": "Science and Research Director: William Aron Deputy Director: James Balsiger"
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            "content": "AUKE BAY LABORATORY (ABL) . Director: George R. Snyder"
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            "content": "NATIONAL MARINE MAMMAL LABORATORY (NMML) ......"
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            "content": "OFFICE OF FISHERIES INFORMATION SYSTEMS (OFIS) ............. Director: J. Theodore Rodgers"
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            "content": "Director: Gary D. Stauffer ENGINEERING (RACE) DIVISION"
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            "content": "...... Director: Richard J. Marasco MANAGEMENT (REFM) DIVISION"
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            "content": "The Quarterly Report is compiled by the AFSC Publications Unit, Susan Calderón (editor). To change your delivery address or to cancel delivery, please notify: Quarterly Report, Alaska Fisheries Science Center, 7600 Sand Point Way N.E., Bin C15700, F/AKC, Seattle, WA 98115-0070, Phone (206) 526-4283."
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            "content": "PUBLICATION LIMITATION. Publication in whole or in part of the Quarterly Report should indicate the provisional nature of the findings and show credit to the appropriate research division of the AFSC. Advance copy should be submitted to the AFSC."
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            "content": "References to trade names do not imply endorsement by the National Marine Fisheries Service."
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            "content": "TABLE OF CONTENTS"
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            "content": "The Rockfish Working Group: An Overview"
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            "content": "Study on Pink Salmon Genetic Damage Initiated ... Field Trip to Glacier Bay, Alaska ... Juvenile Pink Salmon Sampled in Icy Strait ... Canadian Beam Trawl Operation Observed ... Second Field Trip to Cape Krusenstern ... John N."
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            "content": "Cobb Cruises ... Middleton Island Beach Surveys ... Pollock Tagging Study Underway ... Situk River Surveyed for Potential Study ... Reference Collections"
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            "content": "Taka Takes Off ... Sueto Murai Retires"
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            "content": "The Rockfish Working Group An Overview"
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            "content": "Management of rockfish (Sebastes spp.) stocks in waters off Alaska is hampered by limited informa- tion and considerable uncertainty as to current stock abundance and long-term productivity. With the ex- ception of Pacific ocean perch (S. alutus), relatively little is known about the biology, distribution, and population dynamics of many of the commercially important rockfish species. This lack of information, combined with an uncertainty in biomass estimates for the deeper-water and more commercially valuable species such as shortraker (S. borealis) and rougheye (S. aleutianus) rockfish, prompted the Alaska Fisheries Science Center's (AFSC) Rockfish Working Group (RWG) to develop a comprehensive working plan to improve rockfish stock assessments and management recommendations."
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            "content": "Composed of fishery scientists from the AFSC's Resource Ecology and Fisheries Management (REFM) Division, Resource Assessment and Conser- vation Engineering (RACE) Division, Auke Bay Labo- ratory (ABL), and the University of Washington (UW), the RWG completed a draft working plan in April 1991 which identifies, develops, and prioritizes specific research activities to improve rockfish stock assess- ments. More specifically, the goal of the working plan is to develop better estimates of acceptable biological catch (ABC), the starting point used by fishery man- agement in setting annual harvest levels. The RWG concluded that better estimates of ABC would be obtained by explicitly acknowledging and evaluating the potential sources of bias and uncertainty in the ABC estimates and by incorporating a better under- standing of the biology, distribution, behavior, and population dynamics of rockfish stocks. The ap- proach adopted by the RWG was to identify and develop sound data collection techniques and analytical methods which would improve the two key components that comprise an estimate of ABC -- ex- ploitable biomass and optimal exploitation rate."
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            "content": "Initial Observations Aboard Commercial Rockfish Vessels"
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            "content": "The fishing industry utilizes specialized skills and techniques when harvesting rockfish, especially the deeper-water species such as shortraker and"
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            "content": "rougheye rockfish. Many of the deep-water species are known to inhabit areas of very rough bottom -- areas generally inaccessible by survey trawl gear but readily accessible by many commercial rockfish trawlers. By working closely with industry and utiliz- ing its expertise in fishing rough areas, the RWG is devising several new survey approaches that incor- porate the specialized harvesting skills and gear that characterize a commercial fishing operation."
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            "content": "As part of these research efforts, the RWG ar- ranged with industry to place scientists onboard com- mercial rockfish vessels to observe and document their harvesting and processing operations. Scien- tists were placed on two commercial rockfish trawlers during the July 1992 rockfish opening in the central Gulf of Alaska. The scientists collected detailed infor- mation on harvesting strategies employed, areas and depths fished, gear used, vessel operations, and spe- cies composition of the catch (Fig. 1), information that will better assist the RWG in refining its new survey approaches before they are attempted on a large scale. The RWG hopes that involving the industry during the early stages of survey development will set the stage for more ambitious cooperative studies in the future."
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            "content": "Figure 1. Susanne Finckh of the UW samples rockfish catch aboard a commercial rockfish trawler."
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            "content": "AFSC Quarterly Report"
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            "content": "Habitat Preference and Rockfish Behavior Studies"
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            "content": "More than 60 species of rockfish inhabit the North Pacific Ocean and occupy a wide variety of habitats. Determining the habitat preferences of the economi- cally important species is an important research en- deavor of the RWG. If habitat preferences can be determined, and habitat types quantified, sampling stratification will be more accurate and efficient. Crit- ical habitat can then be sampled more intensively, resulting in improved species-specific abundance es- timates."
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            "content": "The RWG believes that hydroacoustic techniques may become a useful tool for assessing the abun- dance of rockfish stocks. However, hydroacoustic approaches are only applicable in situations where fish targets are distinguishable from the bottom. Many rockfish species are associated directly with the bottom but may move up in the water column during certain times of the day or night. Therefore, an eval- uation of rockfish behavior, particularly with regard to their on- and off-bottom distribution, is necessary to determine the feasibility of using hydroacoustics as a direct means of estimating rockfish biomass."
        },
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            "content": "In May 1992 the RWG initiated a study to 1) de- scribe the habitat, behavior, and spatial distribution of"
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            "content": "shortraker and rougheye rockfish, 2) describe and chart substrates for testing sonar bottom-typing equipment, and 3) evaluate the behavior of Pacific ocean perch relative to the bottom. Since research on rockfish habitat preferences and behavior is best suited to in situ observations, the RWG chartered the two-person submersible (submarine) vessel Delta (Fig. 2) for 10 days during the study. Thirty-three submersible dives were completed in waters off Southeast Alaska to depths of 365 m. All observa- tions were visually and voice recorded by internal and external 8-mm video cameras; visual observations were also recorded by an external 35-mm still camera. The dives produced video footage of varied habitats, substrates, fish fauna, and behavior along the upper continental slope and shelf regions. The processing of this data is ongoing, with a report detailing the preliminary results of this cruise expected by year's end."
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            "content": "Analysis of Available Research and Fishery Information"
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            "content": "The AFSC houses large quantities of data on fish- eries research and commercial fisheries recorded since the early 1960s. This information is perhaps among the best on demersal fisheries in the world."
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            "content": "Da-ODELTA"
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            "content": "Figure 2. The submersible Delta being launched from the support vessel Jolly Roger."
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            "content": "July-August-September 1992"
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            "content": "Incompatible database programs, data formats, and other computer-related logistics problems have made accessing this information difficult. The RWG is constructing a rockfish database which will facilitate more efficient access and analysis of the data."
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            "content": "As a first step in creating the rockfish database, the RWG has focused on obtaining all the available research and fishery information on Pacific ocean perch. Once the RWG is satisfied with the database on Pacific ocean perch, information on the other rockfish species will then be incorporated. To date, the National Marine Fisheries Service (NMFS) re- search trawi survey database, the International North Pacific Fisheries Commission (INPFC) foreign re- ported database, and the U.S. Fisheries Observer Program foreign and domestic databases have been queried and the pertinent information extracted. In- formation extracted includes sampling locations by longitude and latitude, depth sampled, time fished, and gear used; environmental information such as water temperature and salinity; and biological data such as size, sex, age, and maturity."
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            "content": "Although not yet complete, the rockfish database is already being used by REFM and ABL stock assess- ment scientists to produce the stock assessments of Pacific ocean perch in the eastern Bering Sea, Aleu- tian Islands, and Gulf of Alaska. All of the available size, age, catch, and effort information from research surveys and the commercial fishery were extracted, analyzed, and summarized for inclusion in the 1992 stock assessments. This task would have been quite cumbersome without access to the rockfish database. Scientists from the REFM Division are also using the rockfish database to extract, summarize, and document the locations and harvest levels of Pacific ocean perch from the early 1960s to the pres- ent. The database will eventually be interfaced with mapping and statistical software to generate interac- tive screen maps and data summaries based on se- lection criteria such as depth, gear type, season, water temperature, salinity, etc. This new technol- ogy should improve the sampling design and allow for more efficient stratification of future rockfish sur- veys."
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            "content": "Stock Identification Studies"
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            "content": "Coastwide movements of adult rockfish are gen- erally assumed to be minimal; however, lack of con- firmation or evaluation of this assumption contributes to uncertainty in survey results and management recommendations. Moreover, little is known about the discreteness of rockfish stocks in time and space. Separation of fish stocks into discrete entities is rec-"
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            "content": "ognized as a prerequisite to rational management of fisheries. Therefore, the RWG has developed a num- ber of research activities to determine the discrete- ness of rockfish stocks and to determine if rockfish populations undertake extensive coastwide move- ments."
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            "content": "The RWG has begun identifying and delineating the stock structure of rougheye and shortraker rock- fish. Scientists at the ABL are currently examining 200 samples of these species for the presence of para- sites. The prevalence and intensity of parasites has proven useful as a biological tag for separating stocks of rockfish species. The specimens for the current study were collected from five INPFC areas during the 1991 NMFS Longline Survey of the Gulf of Alaska. Initial autopsies suggest that there is little movement between the areas for either species. It is hoped that some parasites, which are easily identified and quickly sampled, will be found to serve as future stock separation markers. Morphometric measurements from these specimens are also being recorded as a further means of identifying discrete stocks and local aggregations."
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            "content": "More refined stock differentiation techniques are hoped for in the future, such as allozyme analysis and mitochondrial DNA analysis. Recently, tissue sam- ples (eyeball, liver, and muscle) were collected for electrophoretic analysis from shortraker and rougheye rockfish taken from the area ranging from the southern coast of Washington to the northern tip of Vancouver Island, British Columbia. These sam- ples were collected by scientists aboard the NOAA ship Miller Freeman during the 1992 West Coast hydroacoustic survey of Pacific whiting (Fig. 3). The samples are currently stored in a special deep-freeze freezer at the AFSC until funds can be allocated for processing and analyzing the samples. Also during this cruise, detailed morphometric measurements and meristic counts were recorded from each speci- men."
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            "content": "Knowledge of the age composition and growth characteristics of a fish population is essential for good resource management. However, accurate age and growth information for many of the econom- ically important rockfish species is lacking. The RWG recently completed developing the ageing criteria and technique for production readings of rougheye rockfish otoliths (ear bones), the bony structures used to age the fish. Based on the resulting ages, growth parameters have been estimated and will be useful in future analytical stock assessments of this"
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            "content": "resource. The methodology for reading rougheye rockfish otoliths will be extended to shortraker rock- fish. Also, a comparative study of shortspine thornyhead ageing structures is currently under way. This study examines the utility and validity of various ageing structures, such as otoliths, fin-rays, scales and opercles. Finally, the RWG is funding a 1-year research contract with the University of Washington to evaluate the feasibility of radiometrically ageing six rockfish species: Pacific ocean perch, shortspine thornyheads, and rougheye, shortraker, dusky, and northern rockfishes. The longevity of some rockfish species has been estimated to be as much as 140 years, though those estimates have yet to be inde- pendently validated. Results of the radiometric age- ing study should provide such an independent test of the longevity estimates of the key rockfish species."
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            "content": "Hydroacoustic techniques show great promise for improving rockfish stock assessments in two funda- mental ways. First, as an efficient means for deter- mining and quantifying bottom relief and substrate type for purposes of habitat identification and stratifi- cation; and secondly, as a noninvasive means for directly estimating rockfish abundance."
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            ],
            "content": "One problem with trawl surveys in the North Pa- cific Ocean is how to deal with sizeable tracts of untrawlable ground. Currently, these tracts are in- cluded in regionwide estimates of absolute abun- dance even though these areas are not sampled during the survey. This approach may lead to over- estimation or underestimation of abundance, de- pending on habitat preferences and behavior of the various species. At this point, untrawlable areas can- not be excluded from the biomass estimates because it is simply not known how large the areas are; so for now, the bias imposed by untrawlable bottom cannot be corrected. Appropriate hydroacoustic hardware and software that defines bottom roughness would provide a potentially cost-effective, quantitative clas- sification and mapping system of specific rockfish habitats. The size and type of these habitats could then be explicitly incorporated into the biomass cal- culations to produce a more accurate estimate."
        },
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            "content": "The RWG is also exploring the utility of hydro- acoustic approaches for directly assessing rockfish abundance. Rockfish are an ideal acoustic target due to their large, closed swimbladder. However, only off-bottom targets can be readily detected with preci- sion. As mentioned before, many rockfish species are known to associate directly with the bottom. An evaluation of rockfish behavior, particularly with re-"
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            "content": "gard to their on- and off-bottom distribution, is neces- sary to determine the feasibility of using hydroacous- tic techniques as a noninvasive means of directly measuring absolute or relative abundance of rockfish stocks."
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            "content": "The RWG has submitted a research proposal to the National Undersea Research Program (NURP) for use of a submersible in 1993. The primary goal of this research is to determine the feasibility of using hydroacoustic techniques to assess the abundance and distribution of rockfish populations. Initial efforts will be directed at Pacific ocean perch, although results of this work will be relevant to other rockfish species. The proposed study has four objectives: 1) to conduct submersible surveys to determine the abundance and spatial distribution of Pacific ocean perch, 2) to conduct hydroacoustic surveys concur- rent with the submersible surveys to determine abun- dance and spatial distribution of Pacific ocean perch within the same area, 3) to quantify the behavioral and distributional response of Pacific ocean perch to the submersible, and 4) to compare estimates of Pacific ocean perch abundance and distributional patterns based on the submersible and hydroacoustic sur- veys. Funding should be determined by January 1993."
        },
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            "content": "Also, the RWG has provided funding for an acous- tics specialist in the RACE Division to conduct a feasibility study of employing hydroacoustic ap- proaches for rockfish stock assessments and habitat typing. A report of the findings and recommenda- tions will be available to the RWG by the end of 1992."
        },
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            "content": "New Analytical Techniques"
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            "content": "Fishery assessment models are valuable tools for quantitatively evaluating the condition of exploited stocks and for measuring the impact of various ex- ploitation patterns. These models aid the decision- making process in three major ways. First, a wide range of management alternatives can be readily evaluated. Second, assumptions and data can be tested, and results can be used to identify and prior- itize additional data needs. Third, all assumptions and judgments are exposed for everyone to analyze and question. The RWG realizes that stock assess- ment models have been, and will continue to be, the main avenue for generating estimates of optimal ex- ploitation rates. Continued evaluation and develop- ment of new analytical techniques, such as the stock synthesis (SS) model, are necessary for optimizing the use and interpretation of available data sources."
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            "content": "Recent stock assessments of Pacific ocean perch in the North Pacific Ocean have relied on the stock"
        },
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            "content": "July-August-September 1992"
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            "content": "4"
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            "content": "reduction analysis (SRA) model to provide historical trends in the fish- ery. One limitation with SRA is that the underlying age-structure of the population and other auxiliary in- formation are not directly incorpo- rated into the analysis. The SS model, on the other hand, is a form of catch-at-age analysis that has been designed to incorporate age composition and a diversity of other information into a single computational framework. By ex- plicitly tracking age structure, the SS model allows information on age composition to be used in the estimation process. Stock synthe- sis functions by simulating both the dynamics of the population and the processes by which the popu- lation is observed. This simulation, which incorporates both impreci- sion and bias in the observations, is used to predict expected values for the observa- tions. These expected values are then compared to the actual observations (data) from surveys and the fishery. The SS model is now being used by REFM and ABL stock assessment scientists as the primary assessment tool for evaluating the condition of Pacific ocean perch in the North Pacific Ocean."
        },
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            "content": "Collection and Analysis of Biological Data"
        },
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            "content": "With the exception of Pacific ocean perch, rela- tively little is known about the biology of the other commercially important rockfish species. To in- crease our understanding of the basic biology of these other species, especially shortraker and rougheye rockfishes, the RWG has funded a 2-year contract with the University of Washington to collect and analyze biological information on shortraker and rougheye rockfish from the North Pacific. Informa- tion such as seasonal availability, times and seasons of birth, and gonadal somatic index (GSI) information are currently being collected and analyzed."
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            "content": "Figure 3. Dave Baker and the author (right) take tissue samples, morphometric measurements, and meristic counts aboard the Miller Freeman from shortraker and rougheye rockfish."
        },
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            "content": "Future Directions"
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            "content": "The original RWG working plan drafted in April 1991 identifies additional studies that would contrib- ute significantly to improving rockfish stock assess- ments and management recommendations. Due to funding limitations, many of these research endeav- ors have been postponed, such as studies on rockfish early life history and recruitment processes, examina- tion of the utility of adaptive management ap- proaches, and analyses of rockfish assemblages. A detailed report summarizing the current progress and major accomplishments of the RWG is being drafted and is expected to be completed by the end of Janu- ary 1993. This report will include recommendations for new research activities that were not addressed in the original working plan."
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            ],
            "content": "This article was written by DANIEL ITO of the REFM Division."
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            "content": "AFSC Quarterly Report"
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            "content": "5"
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            "content": "DIVISION AND LABORATORY REPORTS"
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            "content": "AUKE BAY LABORATORY (ABL)"
        },
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            "content": "Study on Pink Salmon Genetic Damage Initiated"
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            "content": "A long-term study to evaluate the effects of oiled substrate on pink salmon egg development and subsequent gamete viability was initiated at Little Port Walter Field Station, using funds from the Exxon Valdez Restoration Pro- gram. The study involves incubat- ing pink salmon eggs in oiled substrate and rearing the emerg- ing fry to maturity. Mature salmon will be spawned to evaluate the effect of substrate oiling on fertility. The study was initiated because genetic damage to the 1989-brood stock of pink salmon in Prince Wil- liam Sound is believed to have caused relatively high egg mortal- ities in 1991. The Alaska Depart- ment of Fish and Game's (ADF&G) comparisons of eggs from oiled and control streams in 1991, in- cluding eggs spawned in the fresh- water zone above the oil-affected intertidal zone, revealed higher mortality rates in oiled streams. The study at Little Port Walter is in cooperation with the ADF&G, which will continue with a field component in 1993. The ABL tests will not be concluded until the cur- rent eggs mature as adults in 1994."
        },
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            ],
            "content": "The preceding information was provided by RONALD HEINTZ."
        },
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            "content": "Field Trip to Glacier Bay, Alaska"
        },
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            "content": "Members of the ABL travelled to Glacier Bay, Alaska, to partici- pate in a joint sampling cruise with representatives of the National Park Service and the Juneau Cen- ter for Fisheries and Ocean Sci- ences of the University of Alaska Fairbanks. The cruise was part of a study to determine the effects of the commercial Dungeness crab"
        },
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            "spans": [
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            "content": "fishery on Dungeness crab popu- lation structure in Glacier Bay. The fishery is scheduled to be closed in the wilderness-designated part of Glacier Bay National Park at the end of the 1992 commercial sea- son for Dungeness crab in South- east Alaska. The September sampling cruise was the second of two sampling cruises this year. Crabs were sampled previously on 6-12 April 1992. The purpose of the September trip was to obtain additional information on the structure of the Dungeness crab populations in the park prior to the fishery closure. Crabs were col- lected with commercial crab pots and by hand along subtidal tran- sects sampled by divers. A total of 3,425 crabs were processed from 250 pot sets and 75 diver transects at five locations in and adjacent to Glacier Bay National Park."
        },
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            ],
            "content": "The preceding information was provided by CHARLES O'CLAIR."
        },
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            "content": "Juvenile Pink Salmon Sampled in Icy Strait"
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            "content": "The Early Ocean Salmon Task tested two types of sampling gear to capture juvenile salmon, partic- ularly pink salmon, from the NOAA research vessel John N. Cobb in Icy Strait on 29 July to 3 August. A primary objective of the trials was to determine an effective means for sampling juvenile pink salmon with suitable scales to use for fore- casting subsequent marine sur- vival. A two-boat surface trawl and small-mesh monofilament gill nets were fished concurrently for 5 nights. The 3- x 6-m trawl was typically fished to 3 m deep at speeds of 1.0, 1.5, and 2.0 knots. The gill net was 200-300 m long, 6 m deep, with 24- to 42-mm panels of stretch mesh. Each night, up to seven 15-minute trawls and 6 hours of gillnetting were accom- plished."
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            "content": "In total, the trawl caught 177 juvenile pink salmon and the gill nets caught 64. About half the trawl-caught fish had lost many scales during capture, while the fish caught by gill net had most of their scales. Both sampling gears yielded 10- to 21-cm pink salmon which averaged 14.5 cm. In addi- tion to pink salmon, 100 coho salmon, 78 chum salmon, 55 sock- eye salmon, and 2 chinook salmon were captured. Over 82% of the pink salmon caught by gill net were in the top 4 m of the net; this study and others suggest that juvenile salmon are concentrated at the surface for at least their first 4 months at sea. The fishing method ultimately needed for sampling ju- venile pink salmon must minimize the size of crew and vessel needed to capture the fish."
        },
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            "content": "The preceding information was provided by HERBERT JAENICKE and JOSEPH ORSI."
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            "content": "Canadian Beam Trawl Operation Observed"
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            "content": "ABL staff, invited by the Cana- dian Department of Fisheries and Oceans, traveled to British Colum- bia to observe beam trawl sam- pling operations from 14 June to 3 July. The work, conducted aboard the research vessel W.E.Ricker, in- volved the simultaneous fishing of surface and subsurface trawls for juvenile salmon off the west coast of Vancouver Island. The purpose of the ABL's participation was to examine the gear and monitor its performance and limitations in capturing juvenile salmon at sea. During the survey, 480 successful trawl sets were completed along transect to 40 nmi offshore, and over 6,000 juvenile salmon were captured. Numerous coded-wire tags were recovered from coho salmon and, to a lesser extent, from chinook salmon. Of the juve- nile salmon captured, chum"
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            "content": "July-August-September 1992"
        },
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            "content": "6"
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            "content": "salmon dominated the catch at about 60%; followed by coho salmon and pink salmon, both about 17%; sockeye salmon and chinook salmon, both about 3%; and a few steelhead. In addition to identifying and measuring salmo- nids, ABL staff also enumerated and examined other co-occurring fishes, including potential compet- itors and predators. The beam trawl gear was determined to be an effective and innovative sampling technique for capturing juvenile salmonids at sea."
        },
        {
            "spans": [
                {
                    "offset": 27670,
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            ],
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                }
            ],
            "content": "The preceding information was provided by JOSEPH ORSI."
        },
        {
            "spans": [
                {
                    "offset": 27725,
                    "length": 37
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            ],
            "boundingRegions": [
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            ],
            "content": "Second Field Trip to Cape Krusenstern"
        },
        {
            "spans": [
                {
                    "offset": 27763,
                    "length": 1080
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            ],
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            ],
            "content": "Scientists from the ABL trav- eled to Kotzebue, Alaska, on 16 July to conduct the second year of field work in Cape Krusenstern Na- tional Monument under an inter- agency agreement with the National Park Service. The objec- tives of the study were 1) to char- acterize epifaunal and infaunal components of macrobenthic communities in representative coastal lagoons in the monument, 2) to measure background levels of organic (petroleum hydrocar- bons and coprostanol) and heavy metal contaminants in lagoon sed- iments and bivalve tissue, and 3) to measure characteristics of water and bottom sediments in the la- goons. The benthos of the la- goons was sampled using a drop net and Ponar grab; sediments for chemical analysis were sampled with a corer or glass jar. Sampling was conducted from 17 to 29 July. A total of 150 benthic samples were collected at five lagoons (Au- kulak, Imik, Ipiavik, Kotlik and Portsite Lagoons). A total of 44 sediment samples were collected for chemical analysis at these la- goons and at a small lagoon adja- cent to the port facility of the Red"
        },
        {
            "spans": [
                {
                    "offset": 28844,
                    "length": 213
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            ],
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                }
            ],
            "content": "Dog Mine. Sticklebacks, Pungitius pungitius, were col- lected at Portsite, Imik, and Kotlik Lagoons, and Macoma balthica and Mya arenaria were collected at Aukulak and Kotlik Lagoon for pos- sible tissue analyses."
        },
        {
            "spans": [
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                    "offset": 29058,
                    "length": 58
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            ],
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                }
            ],
            "content": "The preceding information was provided by CHARLES O'CLAIR."
        },
        {
            "spans": [
                {
                    "offset": 29117,
                    "length": 20
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            ],
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            ],
            "content": "John N. Cobb Cruises"
        },
        {
            "spans": [
                {
                    "offset": 29138,
                    "length": 566
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            ],
            "boundingRegions": [
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            ],
            "content": "The Marine Fisheries Assessment's Analysis Task used the NOAA research vessel John N. Cobb for two longline research cruises in June and July 1992. The first cruise, conducted 27 June-2 July in Chatham Strait, Southeast Alaska, focused on sablefish. Hook timers were attached to the longline gear to record the time that fish, especially sablefish, were first hooked on the gear. These data will be used as part of a model that accounts for the effect of com- petition for hooks among species when determining abundance es- timates for sablefish caught on longlines."
        },
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            "spans": [
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                    "offset": 29705,
                    "length": 799
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            ],
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                }
            ],
            "content": "The second cruise, conducted 6-15 July, studied shortraker and rougheye rockfish offshore of Sitka, Alaska. The purpose of the cruise was to conduct a feasibility study of using longlines to assess abundance of shortraker and rougheye rockfish. Several of the sites fished proved to be too deep to effectively fish the longlines in the desired depth stratum (300- 400 m); other localities, however, showed more promise as future shortraker and rougheye rockfish study sites. Substantial catches of both shortraker and rougheye rockfish were recorded at two sites. Three fishing days were lost due to poor weather conditions; these days were spent in St. John Baptist Bay tagging juvenile sable- fish (<40 cm fork length). For the seventh consecutive year, juvenile sablefish were found in large num-"
        },
        {
            "spans": [
                {
                    "offset": 30505,
                    "length": 52
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            ],
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                }
            ],
            "content": "bers in the bay, and 1,659 were tagged and released."
        },
        {
            "spans": [
                {
                    "offset": 30558,
                    "length": 56
                }
            ],
            "boundingRegions": [
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                }
            ],
            "content": "The preceding information was provided by DAVID CLAUSEN."
        },
        {
            "spans": [
                {
                    "offset": 30615,
                    "length": 30
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            ],
            "boundingRegions": [
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            ],
            "content": "Middleton Island Beach Surveys"
        },
        {
            "spans": [
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                    "offset": 30646,
                    "length": 574
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            ],
            "boundingRegions": [
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            ],
            "content": "Researchers from the ABL sur- veyed beaches on Middleton Is- land for derelict fishing gear and other plastic debris, 12-15 July. About 55 fragments of trawl web were observed, similar to quanti- ties recorded in the last survey in 1989. Other types of plastic de- bris, such as gill-net floats, were more numerous in 1992 than in 1989, possibly because of a shift in surface currents associated with El Niño. A flipper-tagged elephant seal was also observed hauled out on the island; information on the seal was passed to the National Marine Mammal Laboratory in Se- attle."
        },
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            "spans": [
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                    "offset": 31221,
                    "length": 56
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                }
            ],
            "content": "The preceding information was provided by JEFFREY SHORT."
        },
        {
            "spans": [
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                    "offset": 31278,
                    "length": 30
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            ],
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            ],
            "content": "Pollock Tagging Study Underway"
        },
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                    "length": 742
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            ],
            "content": "Efforts to locate schools of wall- eye pollock near Auke Bay, Alaska, have been successful; more than 200 pollock, mostly juveniles, have been tagged and released or held in a large tank to monitor tagging mortality. Pollock were collected by jigging from a 17-ft work boat at several sites in and near Auke Bay. Two days of jigging aboard the John N. Cobb proved very reward- ing in locating and sampling schools of pollock more distant from Auke Bay, on the west side of Douglas Island and south of Port- land Island, Alaska. Most of the fish came from the Portland Island site. This site is accessible by skiff in good weather and we are plan- ning to continue to sample and release tagged pollock to this school if it remains in the area."
        },
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            "spans": [
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            ],
            "content": "The preceding information was provided by RICHARD HAIGHT."
        },
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            "content": "AFSC Quarterly Report"
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            ],
            "content": "7"
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        {
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                    "length": 40
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            "content": "Situk River Surveyed for Potential Study"
        },
        {
            "spans": [
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                    "offset": 32175,
                    "length": 732
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            "boundingRegions": [
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            ],
            "content": "Representatives of the NOAA Coastal Ocean Program's Coastwatch Change Analysis Pro- gram (C-CAP) accompanied ABL personnel to Yakutat, Alaska, to survey the Situk River as a possible pilot study site. The goal of C-CAP is to develop a comprehensive, na- tionally standardized information system to assess changes in land cover and habitat in the coastal regions of the United States. Po- tential flooding of the Situk River by the Hubbard Glacier could provide C-CAP with a unique opportunity to monitor significant natural changes in fish habitat. ABL's re- search program on the Situk River will provide much of the necessary verification of riparian and aquatic habitats identified by satellitle im- agery and aerial photography."
        },
        {
            "spans": [
                {
                    "offset": 32908,
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                }
            ],
            "content": "The preceding information was provided by K KOSKI."
        },
        {
            "spans": [
                {
                    "offset": 32959,
                    "length": 21
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            ],
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            ],
            "content": "Reference Collections"
        },
        {
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                    "length": 190
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            "boundingRegions": [
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                }
            ],
            "content": "The ABL received an Atlantic salmon and two Pacific barracuda in August collected by Alaska De- partment of Fish and Game sam- plers in Ketchikan during the late July sockeye salmon fishery."
        },
        {
            "spans": [
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            ],
            "content": "The preceding information was provided by BRUCE WING."
        },
        {
            "spans": [
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                    "offset": 33226,
                    "length": 38
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            ],
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            ],
            "content": "NATIONAL MARINE MAMMAL LABORTORY(NMML)"
        },
        {
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            ],
            "content": "ICES Marine Mammal Committee Meeting"
        },
        {
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            ],
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            ],
            "content": "Deputy Director of the NMML R.V. Miller represented the United States on the Marine Mammal Committee at the annual statutory meeting of the International Coun- cil for the Exploration of the Sea (ICES), held in Rostock, Germany, 24-29 September 1992. Interest at the meeting centered on the re-"
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            ],
            "content": "ports of the Study Group on As- sessment of Pilot Whales and the Study Group on Seals and Small Cetaceans. The work of the Study Group on Assessment of Pilot Whales is of primary interest to the United States because of U.S. in- volvement in the International Whaling Commission (IWC) and the IWC's concern over the contin- uing harvest of pilot whales in the Faroe Islands, Denmark. The new North Atlantic Marine Mammals Commission (NAMMCO), organ- ized as an alternative to the IWC, requested the assessment of pilot whales by ICES shortly after NAMMCO's formation this sum- mer. The study group was unable to provide a population estimate or assessment because necessary data was not available at the time, but did agree that sufficient data exists for an attempt at such an assessment in the future. The ICES Marine Mammal Committee recommended continuation of the Study Group on Assessment of Pilot Whales with addition of IWC scientists and involvement of NAMMCO scientists when an as- sessment is undertaken."
        },
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            ],
            "content": "The Marine Mammal Commit- tee recommended that the Study Group on Seals and Small Ceta- ceans meet again in early 1993 to update relevant information on those species in the North Atlantic area and work on problems of by- catch statistics and sighting sur- vey protocol. The committee also recommended that a workshop on impact of marine mammal patho- gens be convened in March 1993 to consider contributory factors, potential effects, and protocol for study of future outbreaks, in order to collate and effectively use infor- mation gained from the study of the seal virus (phocid distemper) epidemic in 1988-89 in northern European seas. Information gained from the 1993 workshop"
        },
        {
            "spans": [
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            ],
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            ],
            "content": "will be valuable to U.S. researchers in attacking future epidemics among seals and cetaceans along U.S. coasts."
        },
        {
            "spans": [
                {
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            ],
            "content": "A joint ICES-Northwest Atlantic Fisheries Organization (NAFO) symposium on the role of marine mammals in exploited ecosystems was proposed for 1995. The pro- posal had been discussed earlier in other forums and was greeted with encouragement by the ICES Marine Mammal Committee be- cause of the growing involvement of marine mammals in various as- pects of fisheries and the recogni- tion that fisheries problems must be treated in a multispecies con- text. It was agreed that the Marine Mammal Committee should take the lead within ICES. Johann Sigurjonsson of Iceland agreed to coordinate the symposium and serve as cochair with a representa- tive from NAFO."
        },
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            ],
            "content": "Alaska Ecosystem Program"
        },
        {
            "spans": [
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                    "offset": 36093,
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            ],
            "content": "The Alaska Ecosystem Pro- gram conducted population as- sessment research on Steller sea lions, northern fur seals, harbor seals, killer whales, and harbor porpoise throughout the Gulf of Alaska and Bering Sea during the third quarter. Feeding ecology and movement patterns at sea of Steller sea lions and fur seals were monitored by attachment of satel- lite transmitters and VHF radio transmitters. An assortment of other projects were conducted on sea lions and fur seals, including stock differentiation, health status, disease profiles, levels of heavy metals and other pollutants, the physiological cost of feeding trips, growth, and survival-mortality rates. Data resulting from these projects are currently under analy- sis and will be published in annual reports available during winter and spring 1993."
        },
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            "content": "6"
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            "content": "July-August-September 1992"
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            "content": "8"
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            ],
            "content": "180 00W"
        },
        {
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            "content": "177 00W"
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            "content": "+ R/V Alaska"
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            "content": "0."
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            "content": "177 00W"
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            "content": "165 00W"
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            "content": "162 00W"
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            "content": "159 00W"
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            "content": "156 00W"
        },
        {
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                {
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            ],
            "content": "Figure 1. Stations sampled during the 1992 crab-groundfish survey of the eastern Bering Sea."
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        {
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                {
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                    "length": 601
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            ],
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                }
            ],
            "content": "Steller sea lion and harbor seal surveys were conducted coopera- tively with the Alaska Department of Fish and Game and with biolo- gists from the Russian Academy of Sciences, Petropavlovsk- Kamchatski, and the Pacific Re- search Institute of Marine Fisheries and Oceanography (TINRO), Vlad- ivostok. Portions of the northern fur seal research were conducted cooperatively with the Far Seas Fisheries Research Agency, Japan, and Ehime University, Japan. Steller sea lion physiologi- cal research and genetics studies were conducted cooperatively with the University of Alaska and Texas A&M University."
        },
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            ],
            "content": "The preceding information was provided by R. V. MILLER."
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            "content": "RESOURCE ASSESSMENT AND CONSERVATION ENGINEERING (RACE) DIVISION"
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            "content": "Bering Sea Groundfish Assessment Subtask"
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            "content": "The 1992 crab-groundfish sur- vey of the eastern Bering Sea (EBS) began on 1 June and was completed on 9 August. The sur- vey was designed to assess the abundance of demersal fish and crabs over an area of 465,000 km2 of the eastern Bering Sea conti- nental shelf. The area covers the shelf from inner Bristol Bay to the shelf edge and extends from the Alaska Peninsula to St. Matthew"
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            "content": "Island (Fig. 1). The standard area has been surveyed annually since 1979. During triennial years, such as 1991, the survey is extended to include the northern shelf, Norton Sound, and the continental slope. These surveys are a combined ef- fort of the RACE Division's Groundfish Task and the Kodiak Laboratory and are used to pro- vide estimates of abundance for management agencies such as the North Pacific Fishery Management Council (NPFMC) and the Alaska Department of Fish and Game (ADF&G)."
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            ],
            "content": "Due to unusually bad weather and mechanical problems during the early and middle portions of the survey, a block of 18 stations was deleted in the midnorthern"
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            "content": "AFSC Quarterly Report"
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            "content": "LNUNIVAK I"
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            "content": "60 OON"
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            "content": "ALASKA"
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            "content": "ALASKA PENINSULA"
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            "content": "YEAR"
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            "content": "1989"
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            "content": "1990"
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            "content": "sole, 7) pathobiology collections by the Fisheries Resource Pathobiology group from nearly 400 fish and invertebrates, and 8) a variety of invertebrate samples and collections by the Kodiak Lab- oratory."
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            "content": "Biomass estimates for the major fish species in the standard area in 1992, as well as the preced- ing 3 years, are given in Table 1. The most abundant species, wall- eye pollock, declined for the sec- ond consecutive year from a peak year in 1990. Walleye pollock is a semidemersal species that exhib- its a more demersal behavior with age. Therefore, the biomass esti- mate developed from bottom trawl surveys is weighted by older, larger fish. The pelagic component of the population is surveyed trienni- ally by hydroacoustic methods. Commercial catches since 1984 have exceeded 1 million t per year."
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            "content": "Pacific cod biomass estimates decreased approximately 50% be- tween 1986 and 1991. However, the estimate for 1992 is nearly the same as in 1991. Hopefully, the precipitous decline of recent years has ended for this valuable fish."
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            ],
            "content": "Although biomass estimates for the flatfishes on the continental"
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            "content": "shelf have been relatively stable over the last few years, rock sole, arrowtooth flounder, and flathead sole have all increased dramati- cally since the early 1980s. Yellowfin sole and Alaska plaice have decreased somewhat during that period. The biomass estimate for Greenland turbot on the conti- nental shelf has been significantly lower than the high of 226,000 t in 1979. The shelf acts as a nursery ground for Greenland turbot and they are usually only found there until they are 4 to 5 years old. At that time they begin migrating to the continental slope. There has been little indication of significant recruitment since the early 1980s. In 1992, there appears to be a small pulse of Greenland turbot in the size range of 20 to 30 cm, about age 2. Although not equivalent to the recruitment of the late 1970s, the abundance of this young year class is encouraging."
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            "content": "Subtask members also took part in a cooperative survey aboard the Russian vessel Mys Babushkina. The Mys Babushkina conducted a bottom trawl survey of the shelf north of St. Matthew Island into the Gulf of An- adyr and extending westward into"
        },
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            "content": "10"
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            "content": "July-August-September 1992"
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            "content": "."
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            ],
            "content": "Russian waters to Cape Olyutorskiy. A total of 113 stations were sampled. In addition to the standard data collection, U.S. sci- entists collected walleye pollock tissue samples for stock identifica- tion experiments, and a visiting sci- entist from Bucknell University collected skates for an ongoing study of systematics and identifi- cation. The data from this survey have not yet been analyzed."
        },
        {
            "spans": [
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            ],
            "content": "Data from bottom trawl surveys are used in several ways. The data provide for a fishery-independent estimate of stock condition to sup- plement estimates derived from fishery statistics. The data also are used for tuning population models using a variety of fishery data. In both cases, it is important that the accuracy of survey-based esti- mates is known and maintained at acceptable levels. Work in the Groundfish Task is focusing on just that aspect. Improved knowledge of the net configuration while fish- ing is now provided by net mensu- ration equipment. Recent advances in determining on-bot- tom trawling time and geographi- cal position are being incorporated. Improved mathe- matical methods of comparing the fishing power of different vessels have been adopted. A reevalua- tion of the survey time series is being conducted utilizing new in- formation gained from these stud- ies."
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            ],
            "content": "The preceding information was provided by GARY WALTERS."
        },
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            "content": "Gulf of Alaska Groundfish Assessment Subtask"
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            "content": "NMFS Longline Survey of the Gulf of Alaska"
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            "content": "The sixth annual NMFS long- line survey of Gulf of Alaska groundfish was conducted aboard the chartered U.S. longliner Ocean"
        },
        {
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            "content": "Prowler from 12 July to 28 Septem- ber. The survey was conducted jointly by the RACE Division and the ABL. Catch and length fre- quency data were recorded at 60 standard survey sites located on the upper continental slope and in deep gullies. An electronic datalogger was used to record catch, replacing the on-deck sam- pling forms used in previous years. A similar data entry device with a bar code reader recorded length frequencies by station, species, depth interval, and sex. Electroni- cally stored data was downloaded to computer files and subse- quently stored and edited in a rela- tional database."
        },
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            ],
            "content": "Preliminary results suggest that sablefish abundance in the west- ern Gulf of Alaska has decreased since last year; however, recent commercial fishing pressure in the vicinity of some stations might have caused localized, short-term depletion. Indices of sablefish abundance in the central gulf show the total abundance to be approx- imately the same as in 1991, but the center of abundance may have shifted somewhat eastward. Un- usually large survey catches of ju- venile sablefish were made near the Shumagin Islands and in gul- lies in the central gulf, suggesting that sablefish recruitment to the survey area in 1992 might have been larger than in the previous 5 survey years."
        },
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            ],
            "content": "Longline survey catches of Pa- cific cod in the western gulf were notably higher than those ob- served last year, although many were relatively small juvenile cod. Giant grenadiers were the third most common species captured. Data from the final leg of the sur- vey, conducted off southeastern Alaska, were not available at the time of this writing."
        },
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            "content": "Japan-U.S. Cooperative Longline Survey of the Aleutian Island-Bering Sea Region and Gulf of Alaska"
        },
        {
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            ],
            "content": "In cooperation with the AFSC, Japan has conducted the longest series of longline surveys in the northeast Pacific Ocean. Indepen- dent U.S. surveys were initiated re- cently, in anticipation of the Japanese survey being discon- tinued. The Gulf of Alaska portion of the Japan-U.S. survey has been conducted annually since 1978 and the Aleutian Island -Bering Sea region has been sampled since 1982. Recent trends in sablefish catches taken by this survey in the Aleutian Island and Bering Sea re- gion indicate that sablefish abun- dance is decreasing. Preliminary 1992 results suggest a continua- tion of that trend. Survey catch data for the Gulf of Alaska are not yet available"
        },
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            "content": "At the conclusion of the coop- erative longline survey, a study was conducted to compare the rel- ative efficiencies of the NMFS and Japanese longline sampling gears. During this experiment, sets of two skates of NMFS longline gear and two skates of Japanese longline gear were tied together alternately and fished along the same tran- sect. Japanese and RACE scien- tists worked jointly to collect species-specific catch rate and size composition data. These data will assist in attempts to relate Jap- anese longline survey results and NMFS longline survey results through application of a fishing power coefficient."
        },
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            ],
            "content": "The preceding information pro- vided by HAROLD ZENGER."
        },
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            "content": "West Coast Groundfish Assessment Subtask"
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            "content": "The West Coast Groundfish As- sessment Subtask is currently"
        },
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            "content": "AFSC Quarterly Report"
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            "content": "11"
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            "content": "concluding the sixth in a series of triennial bottom trawl surveys of the groundfish resources off Cali- fornia, Oregon, Washington, and British Columbia. The survey began on 13 July near Pt. Concep- tion, California, replicating the 1989 survey station pattern which had been altered to improve the biomass estimates for Pacific whit- ing and juvenile sablefish while maintaining the multispecies ob- jectives of the survey. The char- tered vessels Alaska and Green Hope have completed 417 trawl hauls at stations between Pt. Con- ception and southern Washington. Sampling will continue until 7 Oc- tober, extending to approximately lat. 50°30'N, off the northern part of Vancouver Island. Cooperating scientists from the REFM Division, the International Pacific Halibut Commission, the Washington State Department of Fisheries, Or- egon State University, the Makah Tribal Council, and the Southwest Fisheries Science Center's Tibu- ron Laboratory also participated."
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            "content": "Although data from just the first third of the survey have been ed- ited, some general observations can be made. Catches were gen- erally quite small in the southern half of the survey area. This fea- ture has been noted during previ- ous surveys which occurred during El Niño events, especially in 1983. North of Cape Mendocino (approximately lat. 40°30'N), catch rates appeared similar to those from years with more normal temperature regimes. Pacific whit- ing and shortbelly rockfish were important components in the catches, as in past years. Pelagic species, however, were more prev- alent catch components this year. Larger than usual catches of Pa- cific herring, chub mackerel, and jack mackerel have been taken. Pacific sardines have also been noted in higher abundance and"
        },
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            "content": "distributed in more northerly areas than in previous surveys."
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            "content": "The Pacific whiting size distri- bution off California was bimodal. Fish in the 24- to 28-cm mode dominated, though 43- to 47-cm fish were also quite abundant. As- suming that growth rates from re- cent years apply to these fish, these modes probably represent fish primarily from the 1991 and 1987 year classes. Catches north of the California-Oregon border were composed almost entirely of the larger fish."
        },
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            ],
            "content": "Knowing that a significant El Niño event was occurring, we in- corporated a more intense sam- pling of physical oceanographic data, including temperature pro- files at all stations and conductivity, temperature, and depth profile (CTD) casts at over 100 stations along the coast."
        },
        {
            "spans": [
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            ],
            "content": "Temperature information has not been adequately analyzed yet, but in general, surface tempera- tures were higher than in all previ- ous years except 1983. We noticed, however, that northerly winds of relatively short duration (1 to 2 days) were causing surface temperatures to drop markedly, apparently because the winds were initiating local upwelling. Fol- lowing these winds, sea surface temperatures would climb steadily over 4 to 5 days, returning to the higher-than-normal states. We will be trying to relate changes in fish distributions to temperature anom- alies by comparing the 1992 data with what we have collected in pre- vious years."
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            ],
            "content": "The preceding information was provided by MARK WILKINS."
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            "content": "Shellfish Assessment Task (Kodiak)"
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            "content": "The Crab Assessment Program has completed calculations of abundance for eastern Bering Sea crab stocks based on results of the"
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            "content": "1992 bottom trawl survey. These estimates have been discussed with the ADF&G and with the NMFS Alaska Regional Office. The ADF&G has set guideline harvest levels (GHL) for commercial king and Tanner crab fisheries in the Bering Sea-Aleutian Islands re- gion. Data and charts showing distribution and catch rates on a tow-by-tow basis have been dis- tributed to the fishing industry. Re- sults of the survey were presented to the NPFMC at its September meeting."
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            "content": "The abundance of Bristol Bay red king crab showed a decline relative to 1991, while the abun- dance of blue king crab stocks re- mained stable. The abundance index for legal male Bristol Bay red king crab was 5.7 million crab, as compared to 12.0 million in 1991, and the GHL will be 10.3 million pounds, as compared to a catch of 17.2 million pounds in 1991. The Bristol Bay stock is suffering from a long period of low recruitment, and estimates for juvenile crabs are the lowest on record. While the current abundance level of adults is considered adequate for repro- duction, continued low recruit- ment may jeopardize the continuance of this fishery. Blue king crab abundance in the Pribilof Islands shows an index of 1.0 mil- lion legal crab in both years. This fishery has been closed due to low stock abundance from 1988 on- ward and will remain closed in 1992. The abundance estimate for blue king crab legal males in the St. Matthew Island area was 2.2 mil- lion crab in 1991 and 2.3 million in 1992. The fishery opened on 4 September with a GHL of 3.3 mil- lion pounds and record 174 ves- sels participating. The fishery was open for 60 hours and then reeval- uated. Although final catch statis- tics are still being tabulated, it appears that the catch exceeded"
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            "content": "July-August-September 1992"
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            "content": "12"
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            "content": "1"
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            "content": "2.4 million pounds with 92% of the fleet reporting. Landings were 3.4 million pounds in 1991."
        },
        {
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            "content": "The 1992 abundance index for Tanner crab (C. bairdi) is 41.8 mil- lion legal males, as opposed to 35.1 million in 1991. The 1992 GHL is 39.2 million pounds, as com- pared to a 1991 catch of 31.8 mil- lion pounds. The eastern Bering Sea Tanner crab stock generally has shown high levels of juvenile abundance and good recruitment since 1986-87 when the fishery was closed due to low stock abun- dance. The current abundance of legal males is above the historical average. The abundance of com- mercial-size snow crab (C. opilio) declined from a record high of 484.1 million crab in 1991 to 256.4 million in 1992. The GHL for 1992 will be 207 million pounds, as com- pared to a catch of 315.5 million pounds in 1991. Declining abun- dance was expected in this stock due to the passage of an extremely large cohort which had supported record catches in 1988 to 1991 fisheries. Although the 1991 to 1992 decline has been more abrupt than anticipated, overall stock abundance remains high and landings will remain well above average."
        },
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            "content": "The Kodiak Island Borough project, conducted over the past 2 years, has been completed. This project was contracted to the Ko- diak Laboratory in order to investi- gate the suitability of Womans Bay, Trident Basin, and Anton Larsen Bay as juvenile red king crab hab- itat. The borough's main interest is in choosing a site for future red king crab enhancement efforts that may involve culture of red king crab, habitat alteration, or stocking of adult brood stock. Of the three sites, Womans Bay had the highest abundance of juveniles (as deter- mined by diver sampling), a more variable temperature regime, and"
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            "content": "greater habitat suitability. It was recommended that future en- hancement efforts be concen- trated in Womans Bay until the benefits of a given type of en- hancement could be evaluated. Tracking of crab with sonic tags showed that residence time in Womans Bay includes the first 5 years (age 0 to 4) of life. Age-2 to -3 juveniles preferred shallow water and were frequently found near vertical structures such as pil- ings in winter. When temperatures were below 4℃, crab were rela- tively immobile and remained in tight aggregates or pods. During the winter they tended to move to deeper water and become more mobile and less aggregated. The highest degree of mixing between age groups occurred August through October when tempera- tures were highest. Molting fre- quency declined to once per year at a mean carapace length of 58 mm or age 3. Distributions of all macroinvertebrates counted by di- vers were highly contagious. Ju- venile red king crab showed the most contagious distribution of seven species examined and were, hence, most aggregated. The degree of contagion for age-0 to -1 king crab was 30.7 times greater than that expected for a random distribution, while that for age-2 to -4 crab was 16.1 times greater. Comparative factors were 8.2 for Tanner crab and 6.2 for hel- met crab. Sonic tagging showed that juvenile red king crab in Wom- ans Bay maintained discrete, age- specific aggregations for up to 25 months and confirms that they have highly aggregating (podding) behavior at least until age 5."
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            "content": "The preceding information was provided by ROBERT OTTO."
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            "content": "Recruitment Processes-FOCI"
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            "content": "The scientific objective of the Fisheries-Oceanography Coordi-"
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            "content": "nated Investigations (FOCI) Task is to understand the environmental mechanisms causing recruitment variation in walleye pollock. We believe that the survival of larvae spawned in Shelikof Strait is en- hanced if they remain on the con- tinental shelf and ultimately recruit to nearshore nursery areas rather than be advected out to deep water in the Gulf of Alaska with little chance of return. One way that larvae can be retained on the shelf is to be hatched or entrained into one of the many eddies that form in Shelikof Strait each year."
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            "content": "In the past, we have tried to use several methods to detect the presence of eddies. Satellite im- agery can tell us the location and size of several eddies at once, but observations are often hampered by persistent cloud cover during the spring. We also have relied on the chance placement of a satel- lite-tracked drifter buoy within an eddy, but full definition of an eddy feature is laborious and costly using this method. Neither of these methods is capable of pro- viding instantaneous at-sea detec- tion and definition of eddies which can be used to direct sampling in the field."
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            "content": "Quite by accident, it was dis- covered that hydroacoustic sam- pling may offer a real-time method of detecting and defining eddies. During spring 1992, we arranged to use the RACE Pelagic Resource Assessment Task's Simrad EK500 (38 kHz) echo sounding system to look for aggregations of post- spawning adult pollock. We ob- served anomalous patterns made by the sound scatterers in several locations in Shelikof Strait. These patterns consisted of strong scat- tering layers in the surface along a transect with a rather sudden in- crease in the layer's depth and ab- solutely no scatterers detected in between (Fig. 1). The deeper layer"
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            "content": "AFSC Quarterly Report"
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            "content": "250 -."
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            "content": "Figure 1. Acoustic profile of a west-to-east transect (total distance of approximately 2.5 miles) at the edge of an eddy located south of Shelikof Strait on 28 May 1992. The boundary of the eddy shows up a distinct layer rising to the surface in the center of the trace. To the left, the distinctive clear region within the eddy is apparent."
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            "content": "appeared concave or bowl-like in the transects. In one instance, this pattern was near a satellite drifter which followed a circular path. This location and those of two other anomalous scattering layer patterns were observed in satellite images to contain eddy-like fea- tures (~20 to 25 km in diameter). We made several acoustic tran- sects across one of the features to map its three-dimensional shape and found it to be approximately circular, 20 km in diameter. We took oceanographic measure- ments and made plankton tows at various locations, both within and immediately outside the eddy. Water property and Acoustic Doppler Current Profiler data taken concurrently also indicated that this feature was an eddy. Hopefully, this new tool may en-"
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            "content": "able us to locate eddies in real-time to conduct targeted sampling and eventually allow us to describe the importance of eddies in larval sur- vival."
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            "content": "Preliminary counts of pollock larvae in the plankton tows con- ducted in 1992 revealed higher abundances at stations within the eddies than in those surrounding the eddies. Subsequent analyses of the growth and condition of the larvae and the amount of food available at contrasting sites within and outside the eddy will deter- mine whether these eddies are also favorable for feeding and sur- vival of the larvae, as has been indicated in previous years. In fu- ture research, we plan to identify these scatterers and determine what causes them to aggregate along the edges of the eddy."
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        {
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            "content": "The preceding information was provided by RICHARD BRODEUR."
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            "content": "Fisheries Resource Pathobiology"
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            "spans": [
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            "content": "Analyses of the fourth year (1991) of blood samples collected to determine the prevalence and distribution of Bitter Crab Syn- drome (BCS) in both C. bairdi and C. opilio in the Bering Sea were completed. The results indicate that BCS is significantly more prev- alent in C. opilio. Prevalences di- minish toward the southern distribution range of the species -- being highest in the Chukchi Sea with progressively reduced preva- lences in Norton Sound, the north- east Bering Sea, and the eastern Bering Sea. However, preliminary results indicate that BCS preva- lence in C. opilio from the eastern"
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            "content": "14"
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            "content": "July-August-September 1992"
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                }
            ],
            "content": "Bering Sea increased slightly in 1991 over previous years. The in- cidence in C. bairdi is negligible, at less than 1%."
        },
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                }
            ],
            "content": "Collections of Dungeness crab from two sites in northern Puget Sound (Smuggler's Cove and Clayton Beach) were made to as- sess the presence of a lethal, pro- tistan parasite for the third consecutive year. The evidence suggests that the ciliated parasite gains entry during the molting pe- riod, resulting in an overall preva- lence in shell-1 crabs of 34.3%. Overall, infections were more prev- alent in males (18.6%) than fe- males (7.1%). Infections were also more prevalent at Smuggler's Cove (24.1%) than at Clayton Beach (9.5%)."
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            ],
            "content": "The preceding information was provided by FRANK MORADO."
        },
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            "content": "Pelagic Resource Assessment Task"
        },
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            "content": "Echo integration-midwater trawl survey of Pacific whiting"
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            "content": "Scientists from the RACE Divi- sion conducted an echo integra- tion-midwater trawl (EIMWT) survey of Pacific whiting aboard the NOAA research vessel Miller Freeman from 7 July to 19 August as part of the West Coast triennial groundfish survey. The area of op- erations included waters off the west coast of the continental United States from central Califor- nia to the north end of Vancouver Island, British Columbia (Fig. 1). The principal objective was to pro- vide data for the estimation of age- specific biomass and population numbers for the pelagic compo- nent of the coastal Pacific whiting stock. A secondary objective was to collect acoustic and biological data on selected rockfish species. The EIMWT survey was conducted during daylight hours. Nighttime hours were used to collect whiting"
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            "content": "target-strength data or to investi- gate aggregations of other midwa- ter and demersal fish species, primarily rockfish."
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            "content": "In addition to the U.S. effort, the Canadian Department of Fisheries and Oceans' Pacific Biological Station in Nanaimo, British Colum- bia, conducted an EIMWT survey off Vancouver Island from 29 July to 2 September to assess whiting in Canadian waters. On 10 Au- gust, an intership calibration be- tween the U.S. and Canadian research vessels was conducted to compare acoustic system per- formance."
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            "content": "Aggregations of whiting were encountered along the coast from Point Sur, California, to the north end of Vancouver Island. South of Coos Bay, Oregon, whiting distri- bution was very patchy. Medium to low density aggregations were found over bottom depths from 200 m to beyond 500 m. Midwater trawl catches south of San Fran- cisco (hauls 3 to 5) were domi- nated by whiting with a modal length of 24 to 25 cm (Fig. 2A). In the area between Fort Bragg, Cal- ifornia, and Coos Bay, Oregon, catches from midwater trawl hauls 8 to 16 consisted primarily of whit- ing between 25 and 35 cm with a few adults between 35 and 50 cm (Fig. 2B)."
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            "content": "Most of the coastal whiting bio- mass was found north of Coos Bay. Midwater hauls were com- posed primarily of adult whiting greater than 40 cm (Fig. 2C-G). Fish greater than 50 cm in length were encountered in significant quantities only in Canadian waters. Off Oregon and Washington, con- centrations of whiting were found over bottom depths as shallow as 60 m, and they extended beyond the edge of the continental shelf. Trawl catches in this area were dominated by male fish (Fig. 2C- D). Very little whiting echo-sign"
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            ],
            "content": "was detected on La Perouse or Swiftsure Banks off southern Van- couver Island, except in an area of deeper water adjacent to Barkley Sound where the Canadian joint venture fleet was fishing. The large female fish in the south Canada size composition (Fig. 2E) came from two trawl hauls off Barkley Sound. North of lat. 49ºN, whiting aggregations were strongly asso- ciated with the shelf edge at about 200 m. Aggregations of whiting were observed as far north as Cape Scott at the northern tip of Vancouver Island and in an area just west of Calvert Island. Throughout most of the survey area, low-density, 20- to 50-m thick bands of whiting were observed at depths of 150 to 350 m extending out over deeper waters. This caused us to extend some tran- sects up to 20 miles beyond the 500-m bottom depth contour."
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            "content": "The preceding information as provided by NEAL WILLIAMSON."
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            "content": "Fishing gear research for by- catch reduction"
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            "content": "A 23-day cruise to observe groundfish behavior in response to approaching trawls was con- ducted aboard the chartered ves- sel Royal Baron in the vicinity of Kodiak, Alaska, from 13 August to 4 September. This cruise was part of a cooperative project with the International Pacific Halibut Com- mission and representatives of the fishing industry to facilitate the de- velopment of more selective bot- tom trawls aimed at reducing the bycatch of Pacific halibut."
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            "content": "The primary objective was to obtain observations of groundfish, particularly Pacific halibut and Pa- cific cod, as they encounter vari- ous features of a bottom trawl. These observations were planned, in consultation with industry trawl experts, to record behaviors which"
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            "content": "Length (cm)"
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            "content": "Figure 2 continued."
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            "content": "July-August-September 1992"
        },
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            "content": "are likely to be useful in developing more selective bottom trawls."
        },
        {
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            ],
            "content": "Fish behavior observations were made with a video system consisting of a low-light camera mounted on a pan-tilt apparatus attached to the trawl. Connection to the surface through an electro- mechanical cable allowed real- time viewing and aiming. Video observations were recorded on tape for later analysis. An imaging sonar, aimed to cover part of the camera's field of view, was used to supplement the video observa- tions."
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            ],
            "content": "The camera system was at- tached to the trawl at several loca- tions, including a number of points on the top midline of the trawl be- tween the headrope and the codend and on a trawl wing. These deployments allowed view- ing fish behavior as the fish en- countered the lower bridles, as they swam ahead of the footrope, as they passed through the trawl, as they accumulated near the codend, and as they encountered several internal trawl modifications incorporated as experimental spe- cies segregators."
        },
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            ],
            "content": "The observations collected during this cruise will be analyzed for behavioral differences between species and size groups. The video observations and results of the analysis will be provided to the fishing industry and trawl manu- facturers to aid in their develop- ment of more selective fishing trawls and strategies."
        },
        {
            "spans": [
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            ],
            "content": "Two additional projects were carried out during this cruise. In the first, hydroacoustics were used to observe the movement of wall- eye pollock in reaction to the ap- proach of a vessel towing a bottom trawl. These observations were made with a scientific echo sounder mounted on a small boat which made a series of passes over the area between the towing"
        },
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                }
            ],
            "content": "vessel and the trawl, noting changes in fish position as the trawl approached. Understanding the reaction of fish schools to sur- face vessels and towed capture gear will play an important role in defining biases associated with abundance estimates."
        },
        {
            "spans": [
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                    "offset": 70035,
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            ],
            "content": "The second was a pilot project aimed at answering questions re- lated to the survivability of Pacific halibut caught by trawl, which must be discarded according to current regulations. Scientists from the University of Washington's Fisheries Research Institute kept trawl-caught halibut in cages lowered to the sea floor which were subsequently recov- ered to evaluate the proportion surviving. The time in the cage and number of fish per cage were var- ied to evaluate this technique for determining survival rates. Blood samples were also taken and ana- lyzed to test for useful physiologi- cal indicators of fish survivability."
        },
        {
            "spans": [
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            ],
            "content": "The preceding information was provided by CRAIG ROSE."
        },
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            ],
            "content": "RESOURCE ECOLOGY AND FISHERIES MANAGEMENT (REFM) DIVISION"
        },
        {
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            "content": "Food Habits Program"
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            ],
            "content": "Approximately 8,127 fish stom- achs were collected, 140 were scanned aboard ship, and 1,291 were analyzed in the laboratory for the Bering Sea area. A total of 381 stomachs from the Gulf of Alaska, and 547 stomachs from the west coast of North America were ana- lyzed. Six observers were trained for stomach collection this quarter. Data on various indicators of feed- ing status such as bile color and gall bladder fullness were col- lected during the West Coast groundfish survey and will be used"
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        {
            "spans": [
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            ],
            "content": "to determine the accuracy of our regurgitation determinations."
        },
        {
            "spans": [
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            ],
            "content": "Further analysis has been com- pleted of groundfish, marine mam- mal, and bird predation on walleye pollock and Pacific herring from 1985 to 1988 in the eastern Bering Sea. Although walleye pollock cannibalism was the largest source of mortality for age-0 pol- lock, predation mortality of pollock by Pacific cod and marine mam- mals was also very important for age-1+ pollock. Instantaneous annual mortality rates from groundfish predation were esti- mated for ages 0-2 walleye pol- lock. Interannual variation in these rates suggest the occurrence of density-dependent predation pro- cesses. Higher predation mortal- ity rates at age for the 1985 year class of pollock were observed rel- ative to the 1986 and 1987 year classes. The 1985 year class was more abundant than other year classes in the analysis, which sug- gests that predators may tend to partially switch to feeding on a more abundant year class."
        },
        {
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            ],
            "content": "The preceding information was provided by PATRICIA LIVING- STON."
        },
        {
            "spans": [
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            ],
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            "content": "Age and Growth Studies"
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            ],
            "content": "From January to September 1992, the Age and Growth Task members estimated the ages of groundfish species for 1,327 rock sole, 363 rex sole, 1,254 yellowfin sole, 8,914 walleye pollock, 3,030 Pacific cod, 1,865 sablefish, 827 Atka mackerel, 2,918 Pacific whit- ing, and 1,908 Pacific ocean perch, for a total of 22,406 fish. In addi- tion, 6,380 were examined, 704 were examined and determined to be unreadable, 3,214 were reread."
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            ],
            "content": "The preceding information was provided by DANIEL KIMURA."
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            "content": "AFSC Quarterly Report"
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            "content": "Status of Stocks Task"
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            "content": "North Pacific groundfish stock assessments reviewed"
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            ],
            "content": "The Gulf of Alaska (GOA) and Bering Sea-Aleutian Islands (BSAI) Plan Teams of the North Pacific Fishery Management Council (NPFMC) met 1-4 September in Seattle. They reviewed groundfish stock assessments, recom- mended preliminary acceptable biological catches (ABCs), and compiled the preliminary stock as- sessment and fishery evaluation report. The Plan Teams also re- viewed and prioritized amendment proposals to the fishery manage- ment plans. For the BSAI area, REFM scientists on the Plan Team prepared preliminary assessments for walleye pollock, Pacific cod, yellowfin sole, Greenland turbot, rock sole, other flatfish, arrowtooth flounder, sablefish, Pacific ocean perch (POP), other rockfish, Atka mackerel, and other species."
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            ],
            "content": "For the GOA area, preliminary assessments were prepared for walley pollock, flatfish, thornyhead, Pacific cod, POP, sa- blefish, several rockfish species, Atka mackerel, Pacific cod, and various flatfish species. In addi- tion, REFM staff contributed to re- views of marine mammal issues and proposed plan amendments."
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            "content": "West Coast stock asessments"
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            ],
            "content": "Status of Stocks Task members completed final stock assess- ments for Pacific whiting, POP, sa- blefish, and Dover sole and presented them to the Pacific Fish- eries Management Council (PFMC) in September. (West Coast stock assessments are pro- duced on an earlier cycle than the GOA and BSAI assessments.) These final assessments are avail- able as appendices to the Stock Assessment and Fishery Evalua-"
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            "content": "tion Report published in Septem- ber 1992 by the PFMC. In brief:"
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            "content": "Pacific whiting: A coastwide (U.S. plus Canada) ABC in 1993 of 177,000 t is recommended from a geographic version of the stock synthesis model. The model is tuned to triennial surveys of this stock's biomass and divides the population into U.S. and Canadian components. The ABC in 1993 is lower than the 1992 ABC because of reduced recruitment since the 1984 year class and because lack of agreement between the United States and Canada regarding allo- cation of the total available yield has caused harvests to exceed the ABC."
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            ],
            "content": "Sablefish: The sablefish stock was assessed through application of the size-structured version of the stock synthesis model. The model was used to explore the im- plications of fitting either the bio- mass observed in bottom trawl surveys or the relative trend ob- served in fish pot surveys. The former produces an optimistic sce- nario that is consistent with recent recommendations and indicates that ABC should decline by about 1,000 t to maintain a constant ex- ploitation rate. The latter suggests that sablefish have declined greatly and that the ABC should be reduced to one-third of the 1992 level. The optimistic scenario is recommended with caution, and the recommended ABC range is 5,000-7,000 t."
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            "content": "POP: A rebuilding program was established for POP in 1981 following depletion of this stock by foreign fleets during the 1960s and early 1970s. Strict trip limits are used to discourage target fishing. A new comprehensive review of fishery and survey data does not indicate any significant rebuilding. The stock is estimated to be at about 50% of its maximum sustain-"
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            "content": "able yield (MSY) level and recent incidental harvests of about 1,000 t are near the level of overfishing. The review also indicates that strong year classes, which are necessary to rebuild the stock, occur infrequently so the lack of rebuilding is not unexpected."
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            "content": "Dover sole: Size- and age- composition data from the Interna- tional North Pacific Fisheries Commisssion's (INPFC) Eureka and Columbia statistical areas were analyzed by stock synthesis. The analyses for each area were conducted independently be- cause tag return data indicate very little coastwide movement of adult"
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            "content": "Dover sole. The model was tuned with biomass estimates from bot- tom trawl surveys and a range of assumptions regarding the catchability of the trawl. In the Eu- reka area where recent harvests have been about 3,500 t, the re- sults range from a heavily ex- ploited stock with a 1993 recommended harvest of 1,732 t, to a stock that is only slightly below its target level with a 1993 ABC of 4,134 t. In the Columbia area where recent harvests have in- creased to nearly 8,000 t, the re- sults range from a stock that is near its target level with a 1993 ABC of 2,248 t, to a stock that is still above its target level with a 1993 ABC of 5,766 t. The need for repli- cation of the surveys is identified by the fact that the better model fits occurred at the higher biomass levels in the Eureka area and at the lower biomass levels in the Colum- bia area."
        },
        {
            "spans": [
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                }
            ],
            "content": "The preceding information was provided by RICHARD METHOT."
        },
        {
            "spans": [
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                    "offset": 77601,
                    "length": 29
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            ],
            "content": "King and Tanner Crab Research"
        },
        {
            "spans": [
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                    "length": 91
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            ],
            "content": "REFM staff prepared an analy- sis of the effect of lowered mini- mum size limits on discard"
        },
        {
            "spans": [
                {
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                    "length": 26
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            ],
            "content": "July-August-September 1992"
        },
        {
            "spans": [
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                    "offset": 77750,
                    "length": 2
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            ],
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            ],
            "content": "20"
        },
        {
            "spans": [
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                    "offset": 77753,
                    "length": 1
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            ],
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                }
            ],
            "content": "1"
        },
        {
            "spans": [
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                    "offset": 77755,
                    "length": 783
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                }
            ],
            "content": "mortality rates for the Bristol Bay red king crab stock. Given high discard mortality and constant ex- ploitation rates on mature males, the study indicates a significant re- duction in deaths of mature males due to discard by lowering the size limit by 1/2 inch to 6 inches. This result is attributed to the shorten- ing of the season by retention of a larger part of the on-deck catch. Discard deaths of females were re- duced moderately, as were total catch and average size of crab in the catch. While demonstrating the importance of obtaining esti- mates of the actual discard mortal- ity, the study also indicates the need for further analysis dealing with the economic implications, as well as extension to other crab fish- eries which interact with the red king crab fishery."
        },
        {
            "spans": [
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                }
            ],
            "content": "The preceding information was provided by JERRY REEVES."
        },
        {
            "spans": [
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                    "length": 31
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            ],
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            ],
            "content": "U.S. Fisheries Observer Program"
        },
        {
            "spans": [
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                    "offset": 78627,
                    "length": 44
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            ],
            "boundingRegions": [
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            ],
            "content": "Groundfish observer training and deployments"
        },
        {
            "spans": [
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                    "length": 773
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            ],
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            ],
            "content": "Through September 1992, the Observer Program trained 382 in- dividual observers for deployment to domestic fishing vessels and processing plants and ships. An additional 14 observers were trained by the University of Alaska Anchorage through a pilot training program funded by NMFS through the Alaska Sea Grant Program. These 396 observers made over 600 observer deployments. Ob- servers sampled aboard 394 differ- ent fishing vessels and in 29 different processing plants. The majority of observer deployments were made in groundfish fisheries off Alaska, where observer cover- age aboard vessels in the groundf- ish fishery is mandatory. Some observer deployments (roughly 3%-5% of the total number of de- ployments) were made on catcher- processor and mothership vessels"
        },
        {
            "spans": [
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                    "offset": 79446,
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                }
            ],
            "content": "in the Pacific whiting fishery off the northwest coast of the United States. Vessels in the Pacific whit- ing fishery carried observers vol- untarily. Seventy-one percent of all observer deployments in 1992 were made by observers who had made previous trips on domestic vessels for the program."
        },
        {
            "spans": [
                {
                    "offset": 79741,
                    "length": 35
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            ],
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                }
            ],
            "content": "High-seas driftnet observer program"
        },
        {
            "spans": [
                {
                    "offset": 79777,
                    "length": 466
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            ],
            "boundingRegions": [
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                }
            ],
            "content": "The high-seas driftnet portion of the Observer Program contin- ued to compile data collected in 1991 by U.S. observers on 30 Jap- anese, 10 Korean, and 8 Taiwanese driftnet vessels. Joint reports were completed on the data results from Japanese and Taiwanese fisheries. Copies of these reports can be ob- tained upon request from the Of- fice of the Driftnet Coordinator, AFSC. Work on the third joint re- port with scientists from the Re- public of Korea continues."
        },
        {
            "spans": [
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            ],
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            ],
            "content": "The preceding information was provided by RUSSELL NELSON."
        },
        {
            "spans": [
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            ],
            "content": "Socioeconomic Assessments"
        },
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            "spans": [
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            ],
            "content": "Members of the Socioeco- nomic Task contributed signifi- cantly to the analyses and review of fishery management plan amendments for the Pacific and North Pacific Fishery Management Councils."
        },
        {
            "spans": [
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            ],
            "content": "1.NPFMC BS/AI Amendment 24 - Task members prepared a draft evaluating the merits of es- tablishing an explicit allocation of the Pacific cod total allowable catch (TAC) between trawl and nontrawl gear. The council asked that seasonal allocations also be considered and that other changes be made to the draft."
        },
        {
            "spans": [
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            ],
            "content": "2. NPFMC BS/AI Amendment 25 - Task members prepared a draft evaluating the merits of es- tablishing an explicit allocation of the BSAI prohibited species catch (PSC) allowances among the on-"
        },
        {
            "spans": [
                {
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            ],
            "content": "shore processing, at-sea process- ing, and community development quota walleye pollock fisheries. Amendment 18 and Revised Amendment 18 established these three pollock allocation fisheries but did not address PSC allow- ances for them. The Council asked that additional alternatives be added before the draft is re- leased for public comment."
        },
        {
            "spans": [
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            ],
            "content": "Task members also assisted the Alaska Regional Office in pre- paring: 1) a draft for alternatives to regulate fishing vessels returning from the Russian exclusive eco- nomic zone (EEZ) with fish that cannot be retained if taken in the U.S. EEZ and 2) regulations for the halibut and sablefish individual fishing quota (IFQ) program rec- ommended by the NPFMC."
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            "content": "In cooperation with the NOAA Damage Assessment Office and the NOAA General Counsel, Task members have provided an ongo- ing review of draft regulatory lan- guage and advice concerning the use of economics in damage as- sessment and restoration planning in the Oil Pollution Act of 1990. The Task also provided a NMFS techni- cal representative in two planning meetings on Natural Resource Damage Assessment and Restora- tion Economics in association with the Exxon Valdez Restoration Plan- ning Working Group (RPWG). The meetings focused on applications of scientific and economic con- cepts in developing resource and service-flow restoration following the discharge of hazardous mate- rials spills in the aquatic environ- ment."
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            ],
            "content": "The preceding information was provided by JOE TERRY."
        },
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            "content": "AFSC Quarterly Report"
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            "content": "21"
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            "content": "ITEMS"
        },
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                    "length": 14
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            ],
            "content": "Taka Takes Off"
        },
        {
            "spans": [
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            ],
            "content": "MARION \"TAKA\" KOGITA retired as secretary to the AFSC Deputy Director effec- tive 3 October 1992."
        },
        {
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            ],
            "content": "TAKA began work- ing for the Federal government in 1951 as a member of the U.S. Army at Fort Lawton, Washington, where she served until 1958. After a break in her career to raise a family, she joined the National Marine Fisheries Service (NMFS) (Bureau of Com- mercial Fisheries) and worked as a typist with the Exploratory Fishing and Gear Research Base at the Biological Laboratory at Montlake in 1970. In 1971, during the early years of the Northwest and Alaska Fisheries Center (NWAFC), she was hired as a secre- tary in the Coastal Zone and Estuarine Studies (CZES) Division, where she is well known for being short of stature (often standing on a box to see into the top drawer of the filing cabinet) and long on outstanding performance (she received many awards for exemplary performance). Despite being a super secretary, she wasn't perfect. Once, when accomp- lishing an extremely rushed job in which 10 people were to receive 1 copy of a 10-page document, she mailed each person 10 copies of a single different page of the document, an act which over time en- deared her all the more to the CZES staff."
        },
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            ],
            "content": "In 1983 TAKA joined the NWAFC Center Director's Office staff, and eventually that of the AFSC, perform- ing the many duties of secretary and person \"Friday\" to Center Deputy Directors H. \"Heater\" Heyamoto, until his retirement in 1985; Ben Jones, until his retire- ment in 1991; and present AFSC Deputy Director Jim Balsiger. During her tour of duty she always exhibited boundless energy, a warm smile, and a special twin- kle in her eye, making her a pleasure to work with. She wil be missed by many."
        },
        {
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            ],
            "content": "According to inside sources, TAKA plans to spend her retirement playing volleyball, pickleball, bowling, and \"not, repeat not, babysitting for her grandchil- dren.\""
        },
        {
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            ],
            "content": "This item was written by Susan Calderon of the Publications Unit, former CZES Division Director Jerry Monan, and former AFSC Deputy Director Ben Jones."
        },
        {
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            "content": "Sueto Murai Retires"
        },
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            "content": "SUETO MURAI retired from the AFSC effective 2 October 1992 after 41 years of Federal service, of which 39 years were spent with NMFS and its prede- cessor agencies."
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            ],
            "content": "SUETO grew up on Oahu, Hawaii, and graduated from the University of Hawaii with a B.S. degree from the School of Applied Science as a premed major. Soon after graduating, he was drafted into the U.S. Army where he served 2 years at the Letterman Army Hospital in San Francisco, California. In 1952, he began his work in fisheries analyzing the stomach contents of tuna as part of the Pacific Oceanic Fish- eries Investigations in Honolulu. After attending the College of Engineering at the University of Hawaii, SUETO applied his newly acquired knowledge to an electric fish-guiding project on Pacific salmon when he first joined the Bureau of Commercial Fisheries in Seattle, in 1954. He later worked under Frank Fukuhara on a salmon stock identification study based on morphology, and under Reynald Fredin on a compilation of international Pacific salmon and groundfish data. In 1959, his collection of salmon samples led him on an extensive survey of salmon hatcheries and rivers in Hokkaido, Japan. He served as an observer aboard three different Japanese salmon fishing vessels in 1962-63, in spite of breaking his right wrist while working on the first vessel."
        },
        {
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            ],
            "content": "In 1984, Sueto transferred to the Foreign Groundf- ish Observer Program. He maintained the foreign historical groundfish database for many years and used his computer skills in checking and running the \"best-blend\" estimates of the in-season foreign and joint venture groundfish catches in the Bering Sea, Gulf of Alaska, and off the Washington-Oregon- California coast. As the fishery changed from foreign to domestic, SUETO took charge of the domestic groundfish logbook program, overseeing the editing, data entry, and computer editing of the logbooks turned in quarterly by commercial groundfish vessels fishing in Alaska. During the 8 years he spent with the Observer Program, SUETO always encouraged the younger members of the staff to \"stick with it\" in their pursuit of careers in fisheries or biology. His cowork- ers are happy that he practiced the same persever- ance that he preached, because he provided them with the chance to know him during his 39 years with NMFS. They will miss him, and wish him well in the years to come."
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            ],
            "content": "This item was contributed by Janet Wall of the REFM Division."
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            ],
            "content": "July-August-September 1992"
        },
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                {
                    "offset": 87065,
                    "length": 2
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            "content": "22"
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                    "length": 18
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            ],
            "content": "GENERAL ACTIVITIES"
        },
        {
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                    "length": 6
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            ],
            "content": "AWARDS"
        },
        {
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                    "length": 451
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            ],
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                }
            ],
            "content": "Director of the Juneau Office of the National Weather Service Lief Lie presented two Institutional Awards to the Auke Bay Laboratory (ABL) 11 August 1992. One award was for 50 years of weather data collec- tion by the staff at Little Port Walter; the award was accepted by ABL Director GEORGE SNYDER and by WILLIAM HEARD; the other was for 25 years of weather data recorded by BRUCE WING at the ABL campus; the award was ac- cepted by SNYDER and WING."
        },
        {
            "spans": [
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                    "offset": 87546,
                    "length": 616
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            ],
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                }
            ],
            "content": "Volunteers of the Cooperative Observer Program take daily tem- perature and precipitation mea- surements for the National Weather Service at many sites throughout the nation. These data provide the basis for long-term cli- matological studies, weather fore- casting models, and local climate studies. The volunteers are usu- ally members of the private sector, such as farmers, ranchers and businessmen, but also include in- dividuals within academic and government institutions. The award for Little Port Walter will be sent for display at that station. The award for the ABL will be displayed in the main building."
        },
        {
            "spans": [
                {
                    "offset": 88163,
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            ],
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                }
            ],
            "content": "QUEIROLO and JOSEPH TERRY's paper, \"U.S. Fisheries Management and Foreign Link- ages: Policy Implications for Groundfish Fisheries in the North Pacific EEZ,\" was recognized as \"Best Publication of 1990\" appear- ing in Marine Fisheries Review."
        },
        {
            "spans": [
                {
                    "offset": 88406,
                    "length": 157
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            ],
            "boundingRegions": [
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                }
            ],
            "content": "VIDAR WESPESTAD was awarded the American Fisheries Society's (AFS) Distinguished Service Award at the society's annual meeting in Rapid City, South Da- kota."
        },
        {
            "spans": [
                {
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                    "length": 63
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            ],
            "content": "Certificates of Recognition for \"Outstanding Contributions as a"
        },
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            ],
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            ],
            "content": "NOAA Employee Servicing the Public Interest in Response to the Exxon Valdez Oil Spill Disaster in April 1989\" were presented to the following staff: DAVID CLAUSEN, CHRISTOPHER DERRAH, JEF- FREY FUJIOKA, RICHARD HAIGHT, EVAN HAYNES, DAN KAMIKAWA, JOHN KARINEN, NANCY MALONEY, JEAN SONDRUD, THOMAS RUTECKI, BRUCE WING, HEARD, SIDNEY TAYLOR, JOSEPH ORSI, MOLLY STURDEVANT, JOYCE LANDING- HAM, CARRITA MORRIS, CHARLES GUTHRIE, STANLEY RICE, MALIN BABCOCK, CHRISTINE BRODER- SEN, PATRICIA ROUNDS, JEFFREY SHORT, SIDNEY KORN, CHARLES O'CLAIR, MARK CARLS, JULIE SHARP-DAHL, LINCOLN FREESE, ADAM MOLES, ROBERT STONE, TYRUS BROUILLETTE, LEWIS QUEIROLO, GEORGE SNYDER, FLORENCE MYNARSKI, ROBERT SIMPSON, and PAULA JOHN- SON."
        },
        {
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                    "length": 169
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                }
            ],
            "content": "WILLIAM HIGH received his 30- year Length of Service Award. MOLES received a 20-year Length of Service Award and JOHN EILER received a 10-year Length of Ser- vice Award."
        },
        {
            "spans": [
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            ],
            "content": "PUBLIC SERVICE AND COOPERATIVE ACTIVITIES"
        },
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                    "offset": 89555,
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            ],
            "content": "NATAYLA VARNAVSKAYA, VLA- DIMIR EFREMOV, and EUGENY MATSAK arrived from Russia to do cooperative research on genetic stock identification of Asian and North American salmon stocks at the ABL."
        },
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            ],
            "content": "WING, HERBERT JAENICKE, and JOHN JOYCE conducted tours of the ABL for cadets from the Japan- ese research vessel Oshoro Maru IV."
        },
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            ],
            "content": "MOLES, DAVID LOVE, JAMES OLSEN, and JOHN HELLE met with the Pacific Salmon Commis- sion (PSC) and the Alaska Depart- ment of Fish and Game (ADF&G) Commercial Fisheries Division to design and to implement a study to determine the contribution of Fraser River, British Columbia, sockeye salmon stocks to the mixed-stock sockeye salmon fish- eries of Southeast Alaska."
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            ],
            "content": "STEVEN IGNELL travelled to Petropavlovsk, Magadan, and Khabarovsk, Russia, at the invita- tion of the Russian Government, to visit salmonid research facilities on the Kamchatka Peninsula."
        },
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            ],
            "content": "WILLIAM KARP returned to the AFSC after a 1-year assignment at the Marine Research Institute in Bergen, Norway, where he collab- orated with Norwegian scientists on the improvement of acoustic assessment techniques and inves- tigated factors that influence the accuracy of trawl and acoustic sur- veys."
        },
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            ],
            "content": "DAN WALDECK participated in the second leg of the Taiwan Marine Fisheries Institute's annual North Pacific Ocean albacore coopera- tive research cruise. The cruise, conducted aboard the Taiwanese research vessel Hai Kung, used longline gear to investigate the dis- tribution of tuna and billfish stocks in the North Pacific Transition Zone."
        },
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            ],
            "content": "ROGER GENTRY lectured on northern fur seal biology twice to students on St. George Island, Alaska."
        },
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            ],
            "content": "MARK WILKINS participated as a member of the Canadian Depart- ment of Fisheries and Oceans' Pa- cific Stock Assessment Review Committee, reviewing the shelf rockfish stock assessment docu-"
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            "content": "AFSC Quarterly Report"
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            "content": "23"
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            "content": ","
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            "content": "1"
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            ],
            "content": "ments authored by scientists of the Pacific Biological Station in Nanaimo, British Columbia."
        },
        {
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            ],
            "content": "MEETINGS AND PRESENTATIONS"
        },
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            ],
            "content": "RICE attended the inaugural meet- ing of the Marine Research Board for the Alaska Region."
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            ],
            "content": "RICE travelled to Anchorage to at- tend the Exxon Valdez National Re- search Damage Assessment Trustee Meeting and to represent the NMFS at a meeting with Alaska Senator Arliss Sturgulewski about the structure and goals of an en- dowment fund that would support scientific studies using Exxon Val- dez settlement funds. RICE also attended the Exxon Valdez Resto- ration Team Meetings."
        },
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            ],
            "content": "MOLES and LOVE attended the Annual Fish Disease Meeting in Parksville, British Columbia, where LOVE presented the paper \"Sea- sonal, Histopathology, and Spe- cies Specificity of Bitter Crab Disease,\" and MOLES presented \"Physiological Effects of the Brain Parasite Myxobolus articus on Sockeye Salmon Smolts.\""
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            ],
            "content": "BABCOCK gave a presentation at the joint Japan-U.S .- Russia semi- nar held at the Juneau Center for Fisheries and Ocean Sciences, University of Alaska Fairbanks ti- tled \"Exxon Valdez - Damage As- sessment Studies.\" At the same seminar, IGNELL presented \"Sub- arctic Frontal Zone Studies\" and CLAIR NOLL presented \"Genetic Variation in Asian Even-Year Pink Salmon.\""
        },
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            ],
            "content": "SNYDER attended the Western Di- vision Meeting of the American Fisheries Society at Fort Collins, Colorado, where he presented \"Exxon Valdez Oil Spill: Overview"
        },
        {
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            ],
            "content": "of Impact Studies from the Auke Bay Fisheries Laboratory.\""
        },
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            ],
            "content": "MICHAEL DAHLBERG travelled to Seattle to serve on the selection review board for award of contract to do ecological research on spe- cies potentially impacted by high- seas driftnet fisheries."
        },
        {
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            ],
            "content": "FUJIOKA attended the North Pa- cific Fishery Management Council's (NPFMC) Groundfish Plan Team Meeting held in Seattle."
        },
        {
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            ],
            "content": "HELLE AND BABCOCK attended the annual Board of Control Meet- ing of the American Institue of Fish- ery Research Biologists in Rapid City, South Dakota. BABCOCK presented \"The Exxon Valdez Nat- ural Resource Damage Assess- ment: Auke Bay Laboratory Experience.\""
        },
        {
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            ],
            "content": "IGNELL attended a Chinook Tech- nical Committee Meeting of the PSC in Seattle."
        },
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            ],
            "content": "JAMES MURPHY gave a seminar titled \"Salmon-Seamount Interac- tions in the Central North Pacific\" at the Juneau Center for Fisheries and Ocean Sciences, University of Alaska Fairbanks."
        },
        {
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            ],
            "content": "JON HEIFETZ participated in the NPFMC Gulf of Alaska Groundfish Plan Team deliberations on slope rockfish assessment during the team meeting at the Alaska Fisher- ies Science Center (AFSC). HEIFETZ explained the results of his recently completed analyses \"Stock Assessment of Pacific Ocean Perch in the Gulf of Alaska Based on the Stock Synthesis Model.\""
        },
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            "content": "HEIFETZ and KENNETH KRIE- GER provided information on stock status and habitat prefer- ences of slope rockfish at a meet-"
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            ],
            "content": "ing of the NPFMC's Rockfish Com- mittee held in Anchorage."
        },
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                }
            ],
            "content": "K KOSKI and MICHAEL MURPHY presented the paper \"Partitioning Salmon Smolt Yield in the Situk River, Alaska, to Predict Effects of Glacial Flooding\" at the 1992 Northeast Pacific Chinook and Coho Salmon Workshop in Boise, Idaho."
        },
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            ],
            "content": "WILLIAM ARON and R.V. MILLER met with the Assistant Secretary of State for Oceans and Environment about Bering Sea marine mammal resources and U.S .- Russian activ- ities."
        },
        {
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            "content": "MILLER participated in a briefing at Whidbey Island Naval Air Station on acoustic technology and equip- ment and its potential for civilian use. He also gave a short presen- tation at the followup symposium in Seattle on the NMML's acoustic work on cetaceans using Navy acoustic data."
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            "content": "MILLER met with officials from the Pacific Marine Environmental Lab- oratory to further explore civilian use of of Navy acoustic data and technology."
        },
        {
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            ],
            "content": "JOHN BENGTSON participated in a meeting of the Working Group on Krill, Committee for the Conserva- tion of Antarctic Marine Living Re- sources (CCAMLR), in Punta Arenas, Chile."
        },
        {
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            ],
            "content": "BENGTSON convened and PETER BOVENG presented infor- mation from the NMML Antarctic Research program at the meeting of the CCAMLR Working Group for Ecosystem Monitoring Program (CEMP) in Via del Mar, Chile."
        },
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            ],
            "content": "RICHARD MERRICK and RICH- ARD FERRERO presented infor-"
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            ],
            "content": "July-August-September 1992"
        },
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                    "length": 2
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            "content": "24"
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            "content": "2"
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            ],
            "content": "mation on Steller sea lions at the NPFMC meeting in Anchorage."
        },
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            ],
            "content": "GENTRY gave a talk and chaired a session at the University of Alaska Anchorage on new statistical ap- proaches to analyzing data from time-depth recorders."
        },
        {
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            ],
            "content": "CRAIG ROSE attended the Pacific Fishery Management Council's (PFMC) Legal Gear Committee meeting in Portland."
        },
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            ],
            "content": "GARY STAUFFER attended the Scientific and Statistical Commit- tee (SSC) and general PFMC meetings in Portland, Oregon, and in Millbrae, California."
        },
        {
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            ],
            "content": "WILLIAM FLERX and TOM DARK met with members of the Fleet Re- placement and Modernization Committee at the AFSC. DARK also met with NOAA's Special Pro- gram Office and subcontractors in Seattle to discuss research re- quirements for a new NOAA vessel scheduled to replace the John N. Cobb."
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            ],
            "content": "ALLEN SHIMADA met with person- nel at the Senior Scientist's Office at NMFS Headquarters to update and draft the FY 1993 Coastal Fish- eries Ecosystem Program Im- plementation Plan."
        },
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            ],
            "content": "ARTHUR KENDALL JR. presented \"Olympic Mudminnow Larvae\" and MORGAN BUSBY presented \"Identification of Larval and Juve- nile Poachers (Agonidae) in the Northeastern Pacific Ocean and Bering Sea\" at the annual meeting of the Gilbert Ichthyological Soci- ety in Mckenzie Bridge, Oregon. RICHARD MARASCO attended a meeting in Juneau with Alaska Re- gional staff members to prepare for the NPFMC's analysis of Amendment 18, which addresses the inshore-offshore allocation of"
        },
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            "content": "walleye pollock for 1993-95 in the Bering Sea-Aleutian Islands."
        },
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            "content": "MARASCO attended the NPFMC SSC meeting in Juneau and the General Council Meeting in An- chorage."
        },
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            ],
            "content": "PATRICIA LIVINGSTON presented a membership report to the Inter- national Fisheries Section at the annual meeting of the American Fisheries Society in Rapid City, and VIDAR WESPESTAD pre- sented the paper \"World Fisheries Congress-Overview and Sum- mary.\" ALEX WERTHEIMER, HELLE, and BABCOCK also at- tended the meeting."
        },
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            ],
            "content": "SANDRA LOWE chaired the NPFMC Gulf of Alaska (GOA) Groundfish Plan Team meetings held at the AFSC. JAMES HASTIE, ANNE HOLLOWED, GRANT THOMPSON, and TOM WILDERBUER presented prelimi- nary stock assessments for groundfish species in the GOA."
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            ],
            "content": "LOH-LEE LOW chaired the NPFMC Bering Sea-Aleutian Is- lands Groundfish Plan Team meet- ings. TERRY, QUEIROLO, HASTIE, IANELLI, REBECCA BALDWIN, THOMPSON,and WILDERBUER presented prelimi- nary stock assessments for groundfish species in the BSAI re- gion."
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            ],
            "content": "LOWE attended a Gulf of Alaska Rockfish Technical Committee meeting of the NPFMC in Anchor- age. LOWE, LOW, and RUSSELL NELSON attended the NPFMC meetings in Anchorage."
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            "content": "RICHARD METHOT chaired and represented the Groundfish Man- agement Team at the PFMC meet- ing in Portland, Oregon."
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            "content": "METHOT provided scientific sup- port for the U.S .- Canada Pacific whiting allocation negotiations in Vancouver, B.C."
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            "content": "METHOT represented the Groundfish Management Team at the PFMC meeting in Millbrae, Cal- ifornia. KENNETH HENRY also at- tended and presented a report to the council on \"The Status of 1992 Ocean Salmon Fisheries.\" As chairman of the Salmon Technical Team (SST), HENRY presented STT reports on possible Salmon Amendment 11 issues. HENRY gave the same presentations at the PFMC meeting in Portland, Ore- gon."
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            "content": "HENRY participated in a bilateral U.S .- Canada Chinook Technical Committee meeting in Vancouver, B.C., where several committee re- ports were reviewed."
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            "content": "NELSON, JANET WALL, and MAR- TIN LOEFFLAD attended a meet- ing of the NPFMC's Observer Oversight Committee in Seattle."
        },
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            "content": "NELSON attended a meeting of the NPFMC's CAP Committee to discuss prohibited species caps (quotas) on Pacific halibut and other prohibited species."
        },
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            "content": "HASTIE and QUEIROLO pre- sented papers at the International Institute of Fisheries Economics and Trade Conference in Paris, France. HASTIE presented \"Price Linkages Between Japanese and United States Markets for Sable- fish and Thornyheads\" and \"The Role of Economics in the Develop- ment of Limited Entry Programs: Two Examples From Groundfish Fisheries in the Western United States.\" QUEIROLO presented \"Monopsony, Trade Restrictions, and International Markets for Inter- mediate Seafood Products: The"
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            "content": "AFSC Quarterly Report"
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            ],
            "content": "United States-Canada Herring Dis- pute\" and \"Cooperative Fishing Ar- rangements Between Coastal Countries and Distant Water Fleets.\""
        },
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            "content": "HASTIE attended a PFMC Individ- ual Transferable Quota Meeting in Portland, Oregon."
        },
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            "content": "TERRY presented a paper titled \"Individual Transferable Quotas for the Fixed Gear Sablefish and Hali- but Fisheries off Alaska\" for the Organization for Economic Coop- eration and Development (OECD) Workshop on Individual Transfer- able Quotas in Paris, France."
        },
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            "content": "TERRY attended the NPFMC meeting in Anchorage."
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            "content": "TERRY attended the first meeting of the NPFMC Bycatch CAP Com- mittee at the NWFSC."
        },
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            "content": "HASTIE, QUEIROLO, and TERRY attended part of the West Coast Magnuson Act Workshop held at the AFSC."
        },
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            ],
            "content": "QUEIROLO participated as a tech- nical advisor in two public meet- ings dealing with the use of Contingent Valuation Methodol- ogy within Damage Assessments in connection with the Oil Pollution Act regulations and Exxon Valdez Natural Resource Damage As- sessment effort."
        },
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            ],
            "content": "TAIVO LAEVASTU attended the 15th Session of the Erice Interna- tional Seminar on Planetary Emer- gencies at the invitation of the International Collaboration in Sci- entific Culture (ICSC) -World Lab- oratory in Erice, Italy. LAEVASTU also participated in the Interna- tional Conference on Modeling of Global Climate Change and Vari- ability sponsored by the Max Planck Institute for Meteorology in Hamburg, Germany. LAEVASTU also directed a Project LAND-3 Scientific and Technological Plan-"
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            "content": "ning Meeting for the ICSC World Laboratory in Palermo, Italy, where he presented a paper titled \"Inter- actions of Size-Selective Fishing with Variations in Growth Rates of Fish Stocks\" at the 80th Interna- tional Council for the Exploration of the Sea (ICES) meeting in Ros- tock-Warnemunde, Germany. R. V. MILLER participated in the meeting as a U.S. Marine Mammal Committee representative. JIM- MIE TRAYNOR also attended the meeting."
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            "content": "BURD, M. A., J. T. HARVEY, and G. A. ANTONELIS."
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