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Abstract
Numerous empirical studies have reported lack of migration-drift equilibrium in wild populations. Determining the causes of nonequilibrium population structure is challenging because different evolutionary processes acting at a variety of spatiotemporal scales can produce similar patterns. Studies of contemporary populations in northern latitudes suggest that nonequilibrium population structure is probably caused by recent colonization of the region after the last Pleistocene ice age ended ~13 000 years ago. The chum salmon s (Oncorhynchus keta) range was fragmented by dramatic environmental changes during the Pleistocene. We investigated the population structure of chum salmon on the North Alaska Peninsula (NAP) and, using both empirical data and simulations, evaluated the effects of colonization timing and founder population heterogeneity on patterns of genetic differentiation. We screened 161 single nucleotide polymorphisms and found evidence of nonequilibrium popu ....

United States , John Wiley Sons Ltd , North Alaska Peninsula , Authors Molecular Ecology Published , John Wiley , Chum Salmon , Isolation By Distance , Population Genetics , Single Nucleotide Polymorphisms , ஒன்றுபட்டது மாநிலங்களில் , ஜான் விலே மகன்கள் லிமிடெட் , வடக்கு அலாஸ்கா தீபகற்பம் , ஆசிரியர்கள் மூலக்கூறு சூழலியல் வெளியிடப்பட்டது , ஜான் விலே , சம் சால்மன் , தனிமைப்படுத்துதல் வழங்கியவர் தூரம் , பாப்யுலேஶந் ஜெநெடிக்ஸ் ,