文化大學機構典藏 CCUR:Item 987654321/45537
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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/45537


    题名: Relict distribution of Microhyla (Amphibia: Microhylidae) in the Ryukyu Archipelago: High diversity in East Asia maintained by insularization
    作者: Tominaga, A (Tominaga, Atsushi)
    Matsui, M (Matsui, Masafumi)
    Shimoji, N (Shimoji, Naoko)
    Khonsue, W (Khonsue, Wichase)
    Wu, CS (Wu, Chi-Shiun)
    Toda, M (Toda, Mamoru)
    Eto, K (Eto, Koshiro)
    Nishikawa, K (Nishikawa, Kanto)
    Ota, H (Ota, Hidetoshi)
    贡献者: 生科系
    关键词: Continental Island
    East Asia
    Microhyla
    phylogeography
    relict lineage
    日期: 2019-07
    上传时间: 2019-12-25 14:36:01 (UTC+8)
    摘要: The Ryukyu Archipelago, located at the southwestern part of Japan, is known as a group of continental islands and harbours many endemic taxa, supposedly reflecting its fairly long isolation from the Eurasian continent, Taiwan and the Japanese main islands. Microhyla okinavensis has been known as an endemic member of the terrestrial fauna of this archipelago. Molecular phylogenetic analyses using samples from nearly all island populations of the species and representative samples of other east Asian congeneric species revealed that M. okinavensis consists of four distinct subclades, of which the Amami, Okinawa and Miyako subclades, though exhibiting distinct genetic differentiations from each other, formed a monophyletic group (clade A). The remaining Yaeyama subclade was exclusively sister to M. mixtura from inland China, forming another monophyletic group (clade B), rendering M. okinavensis in the current definition paraphyletic. These results, as well as estimated dates of divergence from related taxa, indicate that M. okinavensis actually includes more than one distinct species. The results indicate that M. okinavensis and M. mixtura are relict species with disjunct distributions which had been most probably caused by invasion of M. fissipes in intervening areas.
    關聯: ZOOLOGICA SCRIPTA 卷冊: 48 期: 4 頁數: 440-453
    显示于类别:[生命科學系] 期刊論文

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