SALTONSTALL KENNEDY GRANT PROGRAM
Genetic Stock Identification of Alaska Chinook....
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GRANT NUMBER: NA26FD0157-01           NMFS NUMBER: 91-AKR-015

REPORT TITLE: Genetic Stock Identification of Alaska Chinook Salmon

AUTHOR: Seeb, Lisa W.; Crane, Penelope and Templin, William

PUBLISH DATE: June 1, 1995

AVAILABLE FROM:  National Marine Fisheries Service, Alaska Region, P.O. Box 21668, Juneau, AK 99802.  PHONE: (907) 586-7224

ABSTRACT

The objective of this project was to extend existing allozyme data baseline for Alaskan chinook salmon, contribute these data to the coastwide chinook salmon database, and evaluate the feasibility of using these data to determine the origins of chinook salmon accidentally caught in groundfish trawls. A genetic analysis was completed on 22 of 47 populations sampled.  Based on heterogeneity and distance analyses, at least four unique genetic lineages were identified: Southeast Alaska, Chilkat River, Southcentral Alaska, and Northwest Alaska.  Mixed-stock analysis using genetic data has been successfully used to identify stock components of chinook salmon mixtures in Washington and British Columbia and may be an ideal tool for identifying stock origin of by-caught chinook salmon in Alaskan waters. The data collected in this study can be used to accurately identify the contribution of Alaskan populations in by-catch or other high seas samples.


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