Article
Parallelism and historical contingency during rapid ecotype divergence in an isopod.
Journal of evolutionary biology - 1 May 2009
Eroukhmanoff F, Hargeby A, Arnberg N N, Hellgren O, Bensch S, Svensson E I
Abstract excerpt
Recent studies on parallel evolution have focused on the relative role of selection and historical contingency during adaptive divergence. Here, we study geographically separate and genetically independent lake populations of a freshwater isopod (Asellus aquaticus) in southern Sweden. In two of these lakes, a novel habitat was rapidly colonized by isopods from a source habitat. Rapid phenotypic changes in...
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