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A Comparative Analysis Of The Effects On Technical Efficiency And Harvest Of Sea Scallops ("Placopecten Magellanicus") By Otter Trawls Of Various Mesh Sizes
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1989
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[PDF-2.65 MB]
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Description:Since 1983, the sea scallop, "Placopecten magellanicus", fishery has been regulated by the Fishery Management Plan for Sea Scallops (FMPSS) under the authority of the New England Fisheries Management Council (NEFMC, 1982). The regulations restrict vessels which land shucked meats to a maximum number of meats per pound; vessels which land shell-stock are subject to minimum shell size restriction. The regulations have posed several problems. (1) There is a possible problem of inequity between firms which shuck at sea and firms which sell stock or land whole scallops in the shell. (2) There is considerable variation in the meat count for scallops of given shell heights. (3) The meat count for landed product may be different than the meat count for harvested product due to shucking and at-sea handling practices. As a result of these sources of variations and problems, the current regulations may be inadequate. This study analyzes the harvesting efficiency and size selectivity of various mesh sizes on vessels which trawl for scallops. (4) Results show that larger mesh sizes do reduce efficiency of harvesting small scallops.
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Sea Grant Document Number:VSGCP-T-89-006
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Rights Information:Public Domain
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Compliance:Library
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