Evolution and Viability of Asian Horseshoe Crabs Appear Tightly Linked to Geo-Climatic Dynamics in the Sunda Shelf

文献类型： 外文期刊

第一作者： Tang, Qian

作者： Tang, Qian;Rheindt, Frank E.;John, Akbar;Wardiatno, Yusli;Nishida, Shin;Do, Van Tu;Do, Van Tu;Xie, Xiaoyong;Xie, Xiaoyong;Pati, Siddhartha;Pati, Siddhartha;Susanto, Handoko Adi;Hajisamae, Sukree;Nelson, Bryan Raveen;Min, Wah Wah;Hasan, Mohammad Eusuf;Salles, Tristan;Chen, Yilin;Qu, Yanhua;Lei, Fumin;Chen, Yilin;Qu, Yanhua;Lei, Fumin;Lei, Fumin;Venkatesh, Byrappa

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关键词： biodiversity hotspot; conservation planning; ecological niche modelling; genomic offset; marine ecosystem; Quaternary climate change; seascape genomics

期刊名称：CONSERVATION LETTERS （ 影响因子：5.9； 五年影响因子：8.3 ）

ISSN： 1755-263X

年卷期： 2025 年 18 卷 1 期

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收录情况： SCI

摘要： Horseshoe crabs are unique living fossils that have remained almost unaltered through 400 million years of global change. They face rapid worldwide declines under increasing anthropogenic pressure. Using comprehensive geographic and genomic sampling combined with approaches that integrate DNA with environmental and climatic datasets, we assessed the population genetic structure, demographic histories, and vulnerability to future climate change in three out of four extant horseshoe crab species, all centered in Asia. Our study highlights that the Sunda Shelf, a complex and dynamic shallow-marine landscape, has been the sole repository of most genetic diversity among all three Asian species, and therefore crucial to the long-term survival of horseshoe crabs. Our study not only provides the first genomic baseline data for the evaluation of Asian horseshoe crabs' conservation status but also identifies core habitats that potentially act as refugia and corridors for Asian horseshoe crab populations with impending anthropogenic global warming.

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