SALTONSTALL KENNEDY GRANT PROGRAM
The Use of Genetic Stock Identification to....
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GRANT NUMBER:  NA36FD0358           NMFS NUMBER:   92-NWR-010

REPORT TITLE:  The Use of Genetic Stock Identification to Determine the Migration Timing and Distribution of Chum Salmon Stocks in Mixed-Stock Fisheries in South Puget Sound and Hood Canal

AUTHOR:  The Northwest Indian Fisheries Commission and Indian Tribes of Western Washington

PUBLISH DATE:  August 24, 1995

AVAILABLE FROM:  National Marine Fisheries Service, Northwest Region, 7600 Sand Point Way, NE, BIN Cl5700, Bldg. 1, Seattle, WA 98115.  PHONE: (206) 526-6117

ABSTRACT

The goal of the project was to estimate chum salmon stock composition using genetic stock identification methods for commercial fisheries in the South Puget Sound and Hood Canal harvest areas.  Preseason abundance forecasts are based on run sizes in previous years, which have been calculated with accounting for the contribution of non-local stocks to the subject fishery catch areas. The genetic stock identification analyses showed substantial presence of non-local stocks in these fishery catch areas.   Incorporating these new stock composition data into run reconstruction models resulted in postseason estimates of 1993 abundance for South Puget Sound and the Hood Canal areas that varied by 17 percent and 8 percent, respectively, from conventional estimates.

 
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