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Temporal Genetic Stability Despite Decades of Overexploitation for Large Yellow Croaker in the East China Sea
Xu, Zhe1,2,3; Dou, Shuo-Zeng1,2,3,4; Ding, Shao-Xiong5,6; Liu, Jin-Xian1,2,4
2022-04-28
发表期刊FRONTIERS IN MARINE SCIENCE
卷号9页码:11
通讯作者Liu, Jin-Xian(jinxianliu@gmail.com)
摘要Almost all the commercial fishery stocks have been overexploited, resulting in dramatic populations decline and phenotypic change. Understanding the genetic effects of overexploitation have important implications for the conservation and management of fishery resources. In the present study, we investigated temporal changes of genetic diversity and spatio-temporal genetic structure in the heavily exploited large yellow croaker (Larimichthys crocea) in the East China Sea, through microsatellite analysis of historical and contemporary samples. Despite the drastic population decline, we found no significant decline in measures of genetic diversity (Ar, He and F-IS). The contemporary effective population sizes were still large enough and genetic drift was not strong enough to reduce the genetic diversity of large yellow croaker significantly in the East China Sea. Furthermore, no evidence of spatio-temporal genetic structure was detected. All the analysis of genetic structure indicated that the proportion of variance explained by temporal factors was small and similar with that of spatial factors. We therefore concluded that the genetic structure of the large yellow croaker in the East China Sea has been essentially stable over the time-span of 60 years. These results suggested that the drastic population declines did not change genetic composition of large yellow croaker in the East China Sea. Based on the long-term stable temporal pattern of genetic composition, we suggested that fishing restrictions and habitat restoration should be the most direct and effective management strategy for the recovery of large yellow croaker stocks.
关键词large yellow croaker overexploitation historical DNA genetic diversity spatio-temporal genetic structure
DOI10.3389/fmars.2022.861840
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目Environmental Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000799680100001
出版者FRONTIERS MEDIA SA
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/179261
专题海洋生态与环境科学重点实验室
通讯作者Liu, Jin-Xian
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
5.Xiamen Univ, Coll Ocean & Earth Sci, State Key Lab Marine Environm Sci, Xiamen, Peoples R China
6.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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Xu, Zhe,Dou, Shuo-Zeng,Ding, Shao-Xiong,et al. Temporal Genetic Stability Despite Decades of Overexploitation for Large Yellow Croaker in the East China Sea[J]. FRONTIERS IN MARINE SCIENCE,2022,9:11.
APA Xu, Zhe,Dou, Shuo-Zeng,Ding, Shao-Xiong,&Liu, Jin-Xian.(2022).Temporal Genetic Stability Despite Decades of Overexploitation for Large Yellow Croaker in the East China Sea.FRONTIERS IN MARINE SCIENCE,9,11.
MLA Xu, Zhe,et al."Temporal Genetic Stability Despite Decades of Overexploitation for Large Yellow Croaker in the East China Sea".FRONTIERS IN MARINE SCIENCE 9(2022):11.
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