Yellow sea mediated segregation between north east Asian dryophytes species

Amaël Borzée, Kevin R. Messenger, Shinhyeok Chae, Desiree Andersen, Jordy Groffen, Ye Inn Kim, Junghwa An, Siti N. Othman, Kyongsin Ri, Tu Yong Nam, Yoonhyuk Bae, Jin Long Ren, Jia Tang Li, Ming Feng Chuang, Yoonjung Yi, Yucheol Shin, Taejoon Kwon, Yikweon Jang, Mi Sook Min

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14 Scopus citations

Abstract

While comparatively few amphibian species have been described on the North East Asian mainland in the last decades, several species have been the subject of taxonomical debates in relation to the Yellow sea. Here, we sampled Dryophytes sp. treefrogs from the Republic of Korea, the Democratic People's Republic of Korea and the People's Republic of China to clarify the status of this clade around the Yellow sea and determine the impact of sea level change on treefrogs' phylogenetic relationships. Based on genetics, call properties, adult morphology, tadpole morphology and niche modelling, we determined the segregated status species of D. suweonensis and D. immaculatus. We then proceeded to describe a new treefrog species, D. flaviventris sp. nov., from the central lowlands of the Republic of Korea. The new species is geographically segregated from D. suweonensis by the Chilgap mountain range and known to occur only in the area of Buyeo, Nonsan and Iksan in the Republic of Korea. While the Yellow sea is the principal element to the current isolation of the three clades, the paleorivers of the Yellow sea basin are likely to have been the major factor for the divergences within this clade. We recommend conducting rapid conservation assessments as these species are present on very narrow and declining ranges.

Original languageEnglish
Article numbere0234299
JournalPLoS ONE
Volume15
Issue number6
DOIs
StatePublished - Jun 2020

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