Academic Article
Pleistocene glacial refugia across the Appalachian Mountains and coastal plain in the millipede genus Narceus: Evidence from population genetic, phylogeographic, and paleoclimatic data
- Title
- Pleistocene glacial refugia across the Appalachian Mountains and coastal plain in the millipede genus Narceus: Evidence from population genetic, phylogeographic, and paleoclimatic data
- Creator(s)
- Walker, Matt J.
- Stockman, Amy K.
- Marek, Paul E.
- Bond, Jason E.
- Date
- 2009
- Is Part Of
- BMC Evolutionary Biology
- Volume
- 9
- Issue
- 1
- Pages
- 25
- Language
- eng
- ISSN
- 1471-2148
- Short Title
- Pleistocene glacial refugia across the Appalachian Mountains and coastal plain in the millipede genus Narceus
- Abstract
- Species that are widespread throughout historically glaciated and currently non-glaciated areas provide excellent opportunities to investigate the role of Pleistocene climatic change on the distribution of North American biodiversity. Many studies indicate that northern animal populations exhibit low levels of genetic diversity over geographically widespread areas whereas southern populations exhibit relatively high levels. Recently, paleoclimatic data have been combined with niche-based distribution modeling to locate possible refugia during the Last Glacial Maximum. Using phylogeographic, population, and paleoclimatic data, we show that the distribution and mitochondrial data for the millipede genus Narceus are consistent with classical examples of Pleistocene refugia and subsequent post-glacial population expansion seen in other organismal groups.
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