Article
Differences in rheotactic responses contribute to divergent habitat use between parapatric lake and stream threespine stickleback.
Evolution; international journal of organic evolution - 1 Sept 2015
Jiang Yuexin, Torrance Louisa, Peichel Catherine L, Bolnick Daniel I
Abstract excerpt
Migration among populations is widely thought to undermine adaptive divergence, assuming gene flow arises from random movement of individuals. If individuals instead differ in dispersal behavior, phenotype-dependent dispersal can reduce the effective rate of gene flow or even facilitate divergence. For example, parapatric populations of lake and stream stickleback tend to actively avoid dispersing into the...
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