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Article: Gene flow increases temporal stability of Chinook salmon (Oncorhynchus tshawytscha) populations in the Upper Fraser River, British Columbia, Canada.(Report)
- Article from:
- Canadian Journal of Fisheries and Aquatic Sciences
- Article date:
- February 1, 2009
- Author:
CopyrightCOPYRIGHT 2009 NRC Research Press. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Analyses of population genetic structure using microsatellite markers have widespread application in evolutionary and conservation biology. Those applications include the identification of populations of specific conservation concern, such as those severely bottlenecked or otherwise displaying reduced genetic diversity. However, the supposition of little or no recent genetic change (i.e., genetic stability) can be misleading as allele frequencies may fluctuate temporally as a consequence of variation in factors such as effective population size (N.sub.e), species range and dispersal, and life history. For example, random drift based genetic change ...
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