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J. Angel Soto-Centeno, Lisa N. Barrow, Julie M. Allen and David L. Reed Reevaluation of a classic phylogeographic barrier: new techniques reveal the influence of microgeographic climate variation on population divergence Ecology and Evolution 3

Version of Record online: 25 APR 2013 | DOI: 10.1002/ece3.576

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We evaluated the mtDNA divergence and relationships within Geomys pinetis to assess the status of formerly recognized Geomys taxa. Additionally, we integrated new hypothesis-based tests in ecological niche models (ENM) to provide greater insight into causes for divergence and potential barriers to gene flow. Populations of G. pinetis are separated by a ribbon of unsuitable habitat at the contact zone of eastern and western lineages that forms a significant barrier promoting microgeographic isolation that helps maintain ecological and genetic divergence.

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