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A Possible Connectivity among Estuarine Tapertail Anchovy (Coilia nasus) Populations in the Yangtze River, Yellow Sea, and Poyang Lake

文献类型： 外文期刊

作者： Jiang, Tao 1 ; Liu, Hongbo 1 ; Lu, Mingjie 2 ; Chen, Tingting 3 ; Yang, Jian 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Ecol Environm & Resources Inland Fisherie, Wuxi 214081, Peoples R China

2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

3.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China

关键词： Connectivity; Coilia nasus; LA-ICPMS; Otolith nucleus; Element composition; Otolith microchemistry

期刊名称：ESTUARIES AND COASTS （ 影响因子：2.976； 五年影响因子：3.186 ）

ISSN： 1559-2723

年卷期： 2016 年 39 卷 6 期

页码：

收录情况： SCI

摘要： Estuarine tapertail anchovy (Coilia nasus) is a highly commercial and valuable anadromous fish species in China. Due to the complex anadromous life cycle, it remains difficult to assess the degree of connectivity among groups of C. nasus in the Yangtze River, its connecting lakes, and adjacent seas. In this study, laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) was used to analyze the element composition in the otolith nucleus region of C. nasus specimens from the Yangtze River Estuary, Poyang Lake, and Nantong coastal waters in the estuary adjacent to the Yellow Sea. The content ratios of seven elements (Na, Mn, Fe, Ni, Cu, Sr, and Ba) to Ca in the nucleus indicated a close relationship among C. nasus specimens collected from the Yangtze River Estuary (Spring group), Poyang Lake, and Yellow Sea, suggesting a possible connectivity mechanism for anchovies in the three water bodies. Poyang Lake, Yangtze River, and Yellow Sea seem to be the natal lake, migration pathway, and feeding ground, respectively.

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