Effective Size of the Early-Run Sockeye Salmon Oncorhynchus nerka Population of Lake Azabach’e, Kamchatka Peninsula Evaluation of the Effect of Interaction between Subpopulations within a Subdivided Population

Effective Size of the Early-Run Sockeye Salmon Oncorhynchus nerka Population of Lake Azabach’e,... The effect of subdivision on the effective size (N e) of the early-run sockeye salmon Oncorhynchus nerka population of Lake Azabach’e (Kamchatka Peninsula) has been studied. The mode of this effect is determined by the relative productivity of the subpopulations and its magnitude, by the rate of individual migration among subpopulations and genetic differentiation. If the contributions of subpopulations (offspring numbers) are different, genetic differentiation can reduce the N e of the subdivided population. At equal subpopulation contributions, genetic differentiation always increases the N e of the subdivided population in comparison with a panmictic population. We have found that all sockeye salmon subpopulations of Azabach’e Lake produce equal offspring numbers contributing to the next generation. The genetic differentiation between sockeye salmon subpopulations is low, and the subdivision increases the N e of the early-run race with reference to the sum of the effective sizes of the subpopulations by as little as 2%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Effective Size of the Early-Run Sockeye Salmon Oncorhynchus nerka Population of Lake Azabach’e, Kamchatka Peninsula Evaluation of the Effect of Interaction between Subpopulations within a Subdivided Population

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics; Microbial Genetics and Genomics; Animal Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1007/s11177-005-0125-6
Publisher site
See Article on Publisher Site

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