Unraveling habitat use of Coilia nasus from Qiantang River of China by otolith microchemistry
文献类型： 外文期刊
作者： Khumbanyiwa, Davison Daniel 1 ; Li, Mengmeng 1 ; Jiang, Tao 1 ; Liu, Hongbo 3 ; Yang, Jian 1 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China
2.Dept Fisheries, POB 593, Lilongwe, Malawi
3.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Fishery Ecol Environm Assessment & Resour, Wuxi 214081, Peoples R China
关键词： Coilia nasus; Otolith microchemistry; Qiantang river; Strontium; Calcium
期刊名称：REGIONAL STUDIES IN MARINE SCIENCE （ 影响因子：1.624； 五年影响因子：1.962 ）
ISSN： 2352-4855
年卷期： 2018 年 18 卷
页码：
收录情况： SCI
摘要： The habitat use and life history characteristics of the estuarine tapertail anchovy, Coilia nasus from Qiantang River were studied by examining the environmental signatures of Sr and Ca in otoliths using otolith microchemical analysis. The results indicate the C. nasus in the present study could be briefly divided into three types: Types 1/Type 2 of riverine origin and initial relative long-term/short-term freshwater residence, and Types 3 of estuarine origin and initial brackish early life history. The availability and fluctuation of certain levels of Sr: Ca ratios (i.e., Sr: Cax1000) between salinity scale of 3.00 and 7.00 reveal that the C. nasus analyzed in this study spent much more time in brackish habitat of the river's estuary. This study has established that the C. nasus of Qiantang River Estuary has a diverse and complex pattern of life history and habitat use which makes their life history and migration pattern vary from those of the Yangtze River. (C) 2018 Elsevier B.V. All rights reserved.
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