The Hengduan Mountains in southwest China are among the most important biodiversity hotspots in the World. The mountains are characterized by extremely complex topography and support a wide array of habitats. The mountain ridges are oriented in a generally north-south direction and have been hypothesized as both refugia during glaciation periods and as favorable dispersal areas for species. In this study, we reconstruct the phylogenies of the tribe Nectogalini and the family Talpidae as well as the phylogeographic patterns of three species in this area to find out why these mountains have high levels of both species diversity and genetic diversity.
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