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  • A zoogeographical boundary between the Palaearctic and Sino-Japanese realms documented by consistent north/south phylogeographical divergences in three woodland birds in eastern China

    Author(s)
    Song, Gang
    Zhang, Ruiying
    Qu, Yanhua
    Wang, Zhiheng
    Dong, Lu
    Kristin, Anton
    Alstrom, Per
    Ericson, Per GP
    Lambert, David M
    Fjeldsa, Jon
    Lei, Fumin
    Griffith University Author(s)
    Lambert, David M.
    Song, Gang
    Year published
    2016
    Metadata
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    Abstract
    Aim: The location of zoogeographical boundaries in eastern China has long been the subject of debate. To identify any north/south genetic divergence between the Palaearctic and Sino-Japanese realms proposed by previous studies, we conducted a comparative phylogeographical study involving three passerine species with wide latitudinal distributions in eastern China. Location: Eastern China. Methods: Two mitochondrial genes and three nuclear introns were amplified and sequenced. Population structures were analysed using intra-specific phylogeny, tcs networks, AMOVA and structure inferences. We tested for evidence of genetic ...
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    Aim: The location of zoogeographical boundaries in eastern China has long been the subject of debate. To identify any north/south genetic divergence between the Palaearctic and Sino-Japanese realms proposed by previous studies, we conducted a comparative phylogeographical study involving three passerine species with wide latitudinal distributions in eastern China. Location: Eastern China. Methods: Two mitochondrial genes and three nuclear introns were amplified and sequenced. Population structures were analysed using intra-specific phylogeny, tcs networks, AMOVA and structure inferences. We tested for evidence of genetic barriers based on pairwise differences. Lineage divergences, demographic dynamics and gene flow between lineages were estimated using Bayesian methods. Results: A congruent north/south phylogeographical divergence was identified for three species. A geographical barrier was inferred at c. 40° N in eastern China. The population sizes of the northern and southern lineages have both been stable through the late Pleistocene, while multiple divergences were inferred during the early and middle Pleistocene. Main conclusions: Our results suggest a general phylogeographical break in north-eastern China, coinciding with the Palaearctic/Sino-Japanese boundary. Physical blocking of the Yan Mountains and fragmentation of suitable habitat during glacial stages between the north and south probably acted together to provide long-lasting barrier effects. Our comparative phylogeographical approach demonstrates that the Palaearctic/Sino-Japanese boundary may represent a gene-flow barrier even within widespread species.
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    Journal Title
    Journal of Biogeography
    DOI
    https://doi.org/10.1111/jbi.12758
    Note
    This publication has been entered into Griffith Research Online as an Advanced Online Version.
    Subject
    Earth sciences
    Environmental sciences
    Biological sciences
    Population ecology
    Publication URI
    http://hdl.handle.net/10072/142722
    Collection
    • Journal articles

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