Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/37612
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dc.contributor.authorShih, Hsi-Teen_US
dc.contributor.authorPeter, K.L.Ngen_US
dc.contributor.authorNaruse, Tohruen_US
dc.contributor.authorShokita, Shigemitsuen_US
dc.contributor.authorLiu, Min-Yunen_US
dc.contributor.otherNational Chung Hsing University,Department of Life Sciencesen_US
dc.contributor.other國立中興大學生命科學系zh_TW
dc.date2011zh_TW
dc.date.accessioned2014-06-06T07:59:48Z-
dc.date.available2014-06-06T07:59:48Z-
dc.identifier.issn0044-5231zh_TW
dc.identifier.urihttp://hdl.handle.net/11455/37612-
dc.description.abstractThe phylogenetic relationship among freshwater crab species of Geothelphusa from northern Taiwan and the Yaeyama Group of islands (including Iriomote and Ishigaki) in the southern Ryukyus was studied using the mitochondrial genes 16S rRNA and COI. Our results support the hypothesis that speciation of Geothelphusa among these islands was the result of cyclic glaciations and interglaciations during the Pleistocene. Two main clades, one the Taiwan Group (containing several clades, including most Taiwanese Geothelphusa species except Geothelphusa miyazakii but including Geothelphusa minei from Yaeyama), was estimated to be separated from its sister group, the southern Ryukyus-northern Taiwan (SRN) clade (including G. miyazakii, Geothelphusa shokitai, Geothelphusa fulva and G. marginata from northern Taiwan, the Pinnacle Islands [=Diaoyutai Islands or Senkaku Islands] and Yaeyama) at about 5.3 million years ago (mya). G. shokitai was separated from others within the SRN clade at 2.4 mya, but was probably derived from G. miyazakii in northern Taiwan. The ancestor of G. miyazakii is hypothesised to have dispersed from ancestors in Yaeyama and then isolated at 2.0 mya during the Pleistocene interglaciations. This is similar to the speciation of G. minei in Yaeyama at 1.5 mya, except that its ancestors originated from north-eastern Taiwan. Four clades of freshwater crabs are present in the Fushan Botanical Garden, located in the mountainous area of north-eastern Taiwan, which might be due to the historical rearrangements of the drainage and proximity of the various river origins. (C) 2011 Elsevier GmbH. All rights reserved.en_US
dc.language.isoen_USzh_TW
dc.relationZoologischer Anzeiger, Volume 250, Issue 4, Page(s) 457-471.en_US
dc.relation.isversionofZool. Anz.en_US
dc.subject16S rRNAen_US
dc.subjectBiogeographyen_US
dc.subjectCOIen_US
dc.subjectFreshwater crabsen_US
dc.subjectGeothelphusaen_US
dc.subjectGlaciationsen_US
dc.subjectPhylogenyen_US
dc.subjectbrachyura potamidaeen_US
dc.subjectgenetic diversityen_US
dc.subjectmixed modelsen_US
dc.subjectdecapodaen_US
dc.subjectjapanen_US
dc.subjectphylogeographyen_US
dc.subjectevolutionen_US
dc.subjectislanden_US
dc.subjectbiogeographyen_US
dc.subjectsystematicsen_US
dc.titlePleistocene speciation of freshwater crabs (Crustacea: Potamidae: Geothelphusa) from northern Taiwan and southern Ryukyus, as revealed by phylogenetic relationshipsen_US
dc.typeJournal Articlezh_TW
dc.identifier.doi10.1016/j.jcz.2011.07.004zh_TW
dc.contributor.catalogerMiao-zhen Luoen_US
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