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Report of the National Marine Fisheries Service Southeast Fisheries Center, Pascagoula Laboratory, fiscal years 1970 and 1971
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1972
[PDF-6.56 MB]
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Description:The National Marine Fisheries Service Southeast Fisheries Center, Pascagoula Laboratory (formerly the NMFS Exploratory Fishing and Gear Research Base) conducted research in a wide range of activities during Fiscal Years 1970 and 1971. Investigations into the application of remote sensors for resource detection were advanced using aerial photography, pulsed lasers, spectrophotometry, and low-light-level imagry. This program received national status in Spetember 1970 with the establishment of a National Marine Fisheries Service Remote Sensing Program (now the Southeast Fisheries Center, Mississippi Test Facility Engineering Laboratory) at the Mississippi Test Facility, Bay St. Louis, Mississippi. Assessment surveys were conducted along the outer Continental Shelf and upper Continental Slopes of the Gulf of Mexico and Ceribbean Sea where deepsea prawns, crabs, and silver hake were often taken in quantity. Benthic shelf explorations were greatly facilitated by the development of a remote controlled underwater fisheries assessment vehicle (RUFAS) used successfully in assessing, monitoring, and predicting the calico scallop resource off the eastern seaboard. A budding fishery for swordfish in the Gulf of Mexico suffered an untimely death with the discovery of high mercury concentrations in swordfish. Hydroacoustical assessment of pelagic marine resources was bolstered with the acquisition of a signal procesing computer-echosounder unit (SAS) which prints out real-time information on the location and relative size of underwater targets. Thte system is currently undergoing extensive field testing. New approaches were taken to sampling and harvesting coastal pelagic fishes. Underwater lights and light arrays were sucessfully used to attract and lead schooling fish. Artificial structures of various design and complexity were found highly successful in attracting large quantities of pelagic fishes. These applies behavior studies will provide a prime component in a new concept in harvesting coastal pelagic fishes, an automated harvesting platform. Electrical harvesting gear is being developed at Pascagoula to increase the efficiency of available gear and to provide the technology for sampling resources presently impossible to harvest. An electrical shrimp trawl has proven highly sucessful and an electrical midwater trawl is under construction. A 120 kva pulse generator is currently under contruction for application in the automated fishing platform, electrical fish trawls, and electrical rough-bottom shrimp trawls.
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Content Notes:Edward F. Klima and Richard B. Roe.
"June 1972."
Also available online in PDF format via the NOAA Central Library.
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Rights Information:Public Domain
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