Phylogeography and Demographic History of Chinese Black-Spotted Frog Populations (<Emphasis Type="Italic">Pelophylax nigromaculata</Emphasis>): Evidence for Independent Refugia Expansion and Secondary Contact |
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Authors: | Hua Zhang Jie Yan Guoqiang Zhang Kaiya Zhou |
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Institution: | (1) Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210046, China |
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Abstract: | Background Pleistocene glaciations had considerable impact on phylogeographic patterns within and among closely related species of many
vertebrates. Compared to Europe and North America, research on the phylogeography of vertebrates in East Asia, particularly
in China, remains limited. The black-spotted frog (Pelophylax nigromaculata) is a widespread species in East Asia. The wide distribution of this species in China makes it an ideal model for the study
of palaeoclimatic effects on vertebrates in East Asia. Our previous studies of P. nigromaculata revealed significant subdivisions between the northeast China populations and populations in other regions of the mainland.
In the present study, we aim to see whether the deepest splits among lineages and perhaps subsequent genealogical divisions
are temporally consistent with a Pleistocene origin and whether clade geographic distributions, with insight into expansion
patterns, are similarly spatially consistent with this model. |
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