Assessment of the Demersal Shelf Rockfish Stock Complex in the Southeast Outside District of the Gulf of Alaska
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Assessment of the Demersal Shelf Rockfish Stock Complex in the Southeast Outside District of the Gulf of Alaska
Filetype[PDF-4.24 MB]


Details:
  • Alternative Title:
    GOA Chapter 14
  • Corporate Authors:
    North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
  • Description:
    The demersal shelf rockfish (DSR) complex (yelloweye, quillback, copper, rosethorn, canary, China, and tiger rockfish) is assessed on a biennial cycle, with a full stock assessment typically conducted in odd calendar years. Prior to 2010 yelloweye rockfish density was estimated using a manned submersible (Delta) and since 2012 density has been estimated using a remotely operated vehicle (ROV). No surveys were completed in 2010 or 2011. Yelloweye rockfish biomass is estimated as the product of density, mean fish weight, and area of rocky habitat for each management district. The recommended DSR acceptable biological catch (ABC) and overfishing level (OFL) for this year’s SAFE are based on the most recent yelloweye rockfish biomass estimates plus the Tier 6 calculation of the non-yelloweye rockfish DSR component. In addition, the results of a preliminary statistical age-structured assessment model, which incorporates submersible and ROV yelloweye rockfish density estimates, commercial, recreational, and subsistence fishery data, and International Pacific Halibut Commission (IPHC) survey data, are presented in Appendix A.
  • Keywords:
  • Document Type:
    Stock Assessment
  • Place as Subject:
    Alaska, Gulf of (Alaska)
  • Main Document Checksum:
  • File Type:
  • Supporting Files:
    No Additional Files
    1. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The Gulf of Alaska deepwater flatfish complex (consisting of Dover sole, Greenland turbot, and deepsea sole) is assessed on a biennial stock assessmen...
      File Type:
      Filetype[PDF - 213.13 KB]
      File Type:
      Filetype[PDF - 213.13 KB]
    2. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Squids in the Gulf of Alaska (GOA) are managed as a single stock complex comprising approximately 15 species. Harvest recommendations are based on an ...
      File Type:
      Filetype[PDF - 230.74 KB]
      File Type:
      Filetype[PDF - 230.74 KB]
    3. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The Gulf of Alaska (GOA) octopus complex is assessed on a biennial stock assessment schedule with full assessments provided in odd years. In even year...
      File Type:
      Filetype[PDF - 440.20 KB]
      File Type:
      Filetype[PDF - 440.20 KB]
    4. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The shark complex (spiny dogfish, Pacific sleeper shark, salmon shark and other/unidentified sharks) in the Gulf of Alaska (GOA) is assessed on a bien...
      File Type:
      Filetype[PDF - 101.22 KB]
      File Type:
      Filetype[PDF - 101.22 KB]
    5. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Rockfish are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf of Alaska rockfish in alt...
      File Type:
      Filetype[PDF - 148.21 KB]
      File Type:
      Filetype[PDF - 148.21 KB]
    6. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Relative to last year’s assessment, we made the following substantive changes in the current assessment. Changes in the input data: New data include...
      File Type:
      Filetype[PDF - 11.53 MB]
      File Type:
      Filetype[PDF - 11.53 MB]
    7. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Rockfish are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf of Alaska (GOA) thornyhea...
      File Type:
      Filetype[PDF - 264.85 KB]
      File Type:
      Filetype[PDF - 264.85 KB]
    8. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Gulf of Alaska (GOA) Atka mackerel are on a biennial stock assessment schedule to coincide with the availability of new survey data from the biennial ...
      File Type:
      Filetype[PDF - 405.51 KB]
      File Type:
      Filetype[PDF - 405.51 KB]
    9. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Rockfish are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf of Alaska rockfish in alt...
      File Type:
      Filetype[PDF - 118.89 KB]
      File Type:
      Filetype[PDF - 118.89 KB]
    10. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Flathead sole (Hippoglossoides elassodon) are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. F...
      File Type:
      Filetype[PDF - 93.40 KB]
      File Type:
      Filetype[PDF - 93.40 KB]
    11. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Rockfish are assessed on a biennial stock assessment schedule to coincide with the availability of new trawl survey data. For Gulf of Alaska rockfish ...
      File Type:
      Filetype[PDF - 302.81 KB]
      File Type:
      Filetype[PDF - 302.81 KB]
    12. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The Other Rockfish (OR) complex in the Gulf of Alaska (GOA) is assessed on a biennial stock assessment schedule to coincide with the availability of n...
      File Type:
      Filetype[PDF - 123.54 KB]
      File Type:
      Filetype[PDF - 123.54 KB]
    13. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Rockfish are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf of Alaska (GOA) rockfish ...
      File Type:
      Filetype[PDF - 1.29 MB]
      File Type:
      Filetype[PDF - 1.29 MB]
    14. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The National Standard Guidelines for Fishery Management Plans published by the National Marine Fisheries Service (NMFS) require that a stock assessmen...
      File Type:
      Filetype[PDF - 2.23 MB]
      File Type:
      Filetype[PDF - 2.23 MB]
    15. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The Gulf of Alaska (GOA) skate complex is managed as three units. Big skates (Beringraja binoculata) and longnose skates (Raja rhina) each have separa...
      File Type:
      Filetype[PDF - 550.05 KB]
      File Type:
      Filetype[PDF - 550.05 KB]
    16. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Assessment for the shallow water flatfish complex has been moved to a biennial schedule to coincide with the expected receipt of new survey data. Usua...
      File Type:
      Filetype[PDF - 287.34 KB]
      File Type:
      Filetype[PDF - 287.34 KB]
    17. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The base model projection of female spawning biomass in 2017 is 363,800 t, which is 54.5% of unfished spawning biomass (based on average post-1977 rec...
      File Type:
      Filetype[PDF - 3.18 MB]
      File Type:
      Filetype[PDF - 3.18 MB]
    18. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Assessment for northern and southern rock sole which are part of the shallow water flatfish complex has been moved to a biennial schedule to coincide ...
      File Type:
      Filetype[PDF - 146.71 KB]
      File Type:
      Filetype[PDF - 146.71 KB]
    19. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      The format of this report varies according to new developments in forage fish research and data availability. The 2014 report contains extensive infor...
      File Type:
      Filetype[PDF - 1.18 MB]
      File Type:
      Filetype[PDF - 1.18 MB]
    20. Corporate Authors:
      North Pacific Fishery Management Council. Plan Team for the Groundfish Fisheries of the Gulf of Alaska
      Published Date:
      2016
      Series:
      Gulf of Alaska Stock Assessments
      Description:
      Rex sole (Glyptocephalus zachirus) are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf...
      File Type:
      Filetype[PDF - 112.27 KB]
      File Type:
      Filetype[PDF - 112.27 KB]

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