The last giants of the Yangtze River: A multidisciplinary picture of what remains of the endemic Chinese sturgeon
文献类型： 外文期刊
作者： Boscari, Elisa 1 ; Wu, Jinming 1 ; Jiang, Tao 3 ; Zhang, Shuhuan 4 ; Cattelan, Silvia 2 ; Wang, Chengyou 1 ; Du, Hao 1 ; Li, Chuangju 1 ; Li, Junyi 1 ; Ruan, Rui 1 ; Xu, Junmin 5 ; Zheng, Yueping 6 ; Palle, Stefano Dalle 2 ; Yang, Jian 3 ; Congiu, Leonardo 2 ; Wei, Qiwei 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Key Lab Freshwater Biodivers Conservat, Minist Agr & Rural Affairs China, Wuhan 430223, Peoples R China
2.Univ Padua, Dept Biol, Ecol Res Unit, I-35131 Padua, Italy
3.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Fishery Ecol Environm Assessment & Resourc, Wuxi City 214081, Jiangsu, Peoples R China
4.Guizhou Univ Tradit Chinese Med, Guiyang 550025, Peoples R China
5.BGI, BGI Acad Marine Sci, Guangdong Prov Key Lab Mol Breeding Marine Econ An, BGI Marine,Shenzhen Key Lab Marine Genom, Shenzhen 518083, Peoples R China
6.Shanghai Aquat Wildlife Conservat & Res Ctr, Chongming 200003, Shanghai, Peoples R China
7.Univ Padua, Dept Biol, Via Ugo Bassi 58b, Padua, Italy
关键词： Acipenser sinensis residual population; Elemental analyses; genetic analyses; Gezhouba dam; Three-Georges dam; Yangtze River
期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：10.753； 五年影响因子：10.237 ）
ISSN： 0048-9697
年卷期： 2022 年 843 卷
页码：
收录情况： SCI
摘要： The Chinese sturgeon, an important endemism of the Yangtze River, belongs to 'the most critically endangered group of species' worldwide, with overfishing and habitat destruction being the main drivers towards extinction. Newly obtained microchemical comparisons between animals and water from different river locations revealed a probable shifting of the spawning ground few kilometers downstream compared to the only previously known site, located under the Gezhouba Dam. This offers a glimmer of hope for an adaptive response to habitat perturbation caused by the recently built Three Gorges dam on the Yangtze River. On the other hand, genetic data provide an estimate of about 20 breeders participating in the only significant breeding event of the past 10 years. This warns of a near species extinction forecast if no in situ and ex situ conservation efforts occur promptly. Given these results we propose a list of priority conservation actions that urgently need to be promoted, supported, and put into practice.
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