A Genetic Mixture Analysis for use with Incomplete Source Population Data

Peter E. Smouse; Robin S. Waples; Joseph A. Tworek

doi:10.1139/f90-070

journal article Mar 01, 1990

A Genetic Mixture Analysis for use with Incomplete Source Population Data

Peter E. Smouse

Robin S. Waples

Joseph A. Tworek

Canadian Journal of Fisheries and Aquatic Sciences Vol. 47 No. 3 pp. 620-634 · Canadian Science Publishing

View at Publisher Save 10.1139/f90-070

Abstract

While anadromous salmonids reproduce in fresh water, most harvests occur at sea. Effective genetic management requires knowledge of the stock (source population) composition of the harvest. This is accomplished with genetic stock identification (GSI), which compares the genotypes of harvested fish with those of freshwater stocks, assuming that all candidate stocks are identified and that their allele frequencies are known exactly. We develop methods that: (1) allow for sampling error in allele frequencies of candidate stocks, and (2) evaluate the possibility of unsampled contributing stocks. Composition analysis for chinook salmon (Oncorhynchus tshawytscha) collected for the Bonneville Dam egg bank program in 1980 and 1981 shows that about 10% of both harvests were from the Deschutes River and about 90% from the Hanford Reach area. Contributions from lower Columbia and Snake River stocks or from unidentified sources were limited.

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Details

Published: Mar 01, 1990
Vol/Issue: 47(3)
Pages: 620-634
License: View

Authors

P

Peter E. Smouse

1 Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra ACT 0200, Australia and 2Department of Ecology, Evolution and Natural Resources, School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ 08901-8551, USA

R

Robin S. Waples

School of Aquatic and Fishery Sciences University of Washington Seattle Washington USA

J

Joseph A. Tworek

Cite This Article

Peter E. Smouse, Robin S. Waples, Joseph A. Tworek (1990). A Genetic Mixture Analysis for use with Incomplete Source Population Data. Canadian Journal of Fisheries and Aquatic Sciences, 47(3), 620-634. https://doi.org/10.1139/f90-070

A Genetic Mixture Analysis for use with Incomplete Source Population Data

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