Postglacial intra-lacustrine divergence of Icelandic threespine stickleback morphs in three neovolcanic lakes.

Abstract excerpt

The geographical context of divergence and local adaptation of lacustrine fish is controversial. Despite recent theoretical support for sympatric and parapatric divergence, empirical studies providing unequivocal support for this remain scant. An important component of such a case would be where multiple lakes have different morphs and a range of markers, both mitochondrial and nuclear, show monophyly within...

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