Title |
Phylogeography and diversification history of the day-gecko genus Phelsuma in the Seychelles islands
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Published in |
BMC Ecology and Evolution, January 2013
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DOI | 10.1186/1471-2148-13-3 |
Pubmed ID | |
Authors |
Sara Rocha, David Posada, D James Harris |
Abstract |
Lying in a shallow continental shelf cyclically affected by oscillating sea levels since the Miocene, the Seychelles islands are particularly interesting for evolutionary studies. Recent molecular studies are generating an emerging picture of the origin of its biota, yet very little is known regarding their phylogeographic structure or on the factors promoting diversification within the archipelago. Here we aimed to obtain a detailed depiction of the genetic structure and evolution of one of the most widespread vertebrate groups in the archipelago: the day-geckos of the genus Phelsuma. In parallel, we aimed to infer divergence times between species and subspecies, testing a long-standing hypothesis that argues for different time since sympatry between species as the cause of their different morphological differentiation across the archipelago. |
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