Similarity of contemporary and historical gene flow among highly fragmented populations of an endangered rattlesnake.

Abstract excerpt

Populations of endangered taxa in recently fragmented habitats often show high levels of genetic structure, but the role that contemporary versus historical processes play in generating this pattern is unclear. The eastern massasauga rattlesnake (Sistrurus c. catenatus) is an endangered snake that presently occurs throughout central and eastern North America in a series of populations that are isolated because of...

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