Given the pronounced drop in coastwide shad landings and stock abundance from several Atlantic coast rivers after 1990, a revised stock assessment is clearly warranted to determine the root cause(s) of the recent shad declines along the Atlantic coast. In this report, the Shad Stock Assessment Subcommitee (SSAS) estimated an overfishing definition (F30), stock trends, and current and historic coastal (Fc) and inriver (Fr) fishing mortality rates on American shad from 19 selected stocks or river systems located from Maine Rivers in the north to the Altamaha River, GA to the south.
Stock Assessments
Scientific evaluations of fish stock status, providing critical data on population sizes, health, and trends to inform management decisions.
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An external review panel was formed of four stock assessment biologists with expertise in anadromous species. Panel members included Dave Perkins, US Geological Service; Roger Rulifson, East Carolina University; Ray Schaffter, California Department of Fish and Game; and Saul Saila, University of Rhode Island (retired). Dr. Saila was unable to attend the review.
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In October 1997, American shad and Atlantic sturgeon were prioritized for an external peer review to be conducted in early 1998.
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This report updates the status of the Atlantic coast weakfish stock using new information developed by the stock assessment subcommittee. Past assessments have indicated a deterioration in the stock with increasing fishing rates and declining catches (Vaughan et al. 1991, Seagraves 1992).
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The ASMFC winter flounder Technical Committee met June 1-2, 1993 to review new data and to standardize methods for quantifying measures for compliance with the Plan target of F30 which states must implement by Jan 1, 1995. The Committee met again in August to review each states proposed management strategy for achieving F3O.
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In this report, the current status of 15 river herring stocks located between New Brunswick, Canada, and North Carolina was assessed with long-term commercial catch-effort, age composition, fishing mortality, and relative population abundance data.
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The study described herein was undertaken to investigate the trends in ocean harvest of shad and river herring for each Atlantic coastal state from 1978 to 1988, and present recommendations to enhance management options.
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