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学科主题: Environmental Sciences ; Marine & Freshwater Biology
题名: Methylmercury in fish from the South China Sea: Geographical distribution and biomagnification
作者: [Zhu, Aijia ; Zhang, Wei ; Huang, Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China ; [Zhu, Aijia] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Zhu, Aijia ; Xu, Zhanzhou] State Ocean Adm, South China Sea Environm Monitoring Ctr, Guangzhou 510300, Guangdong, Peoples R China ; [Wang, Wen-Xiong] Hong Kong Univ Sci & Technol, Div Life Sci, Kowloon, Hong Kong, Peoples R China
通讯作者: wwang@ust.hk
关键词: Methylmercury ; Bioaccumulation ; Biomagnification ; Marine fish ; South China Sea
刊名: MARINE POLLUTION BULLETIN
发表日期: 2013
卷: 77, 期:41641, 页:437-444
部门归属: LMB
资助者: This study was supported by Open Project of Key Laboratory of Marine Bio-resources Sustainable Utilization (LMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences (LMB 091010) to Aijia Zhu, and a General Research Fund from the Hong Kong Research Grants Council (663112).
摘要: We conducted a large-scale investigation of methylmercury (MeHg) in a total of 628 marine wild fish covering 46 different species collected from the South China Sea between 2008 and 2009. Biological and ecological characteristics such as size (length and wet weight), feeding habit, habitat, and stable isotope (delta N-15) were examined to explain MeHg bioaccumulation in marine fish and their geographical distribution. MeHg levels in the muscle tissues of the 628 individuals ranged from 0.010 to 1.811 mu g/g dry wt. Log(10)MeHg concentration was significantly related to their length and wet weight. Feeding habit and habitat were the primary factors influencing MeHg bioaccumulation. Demersal fish were more likely to be contaminated with MeHg than the epipelagic and mesopelagic varieties. Linear relationships were obtained between Log(10)(MeHg) and delta N-15 only for one location, indicating that biomagnification was site-specific. Results from this study suggest that dietary preference and trophic structure were the main factors affecting MeHg bioaccumulation in marine fish from the South China Sea. (C) 2013 Elsevier Ltd. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000329888600068
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10946
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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[Zhu, Aijia; Zhang, Wei; Huang, Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Zhu, Aijia] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Zhu, Aijia; Xu, Zhanzhou] State Ocean Adm, South China Sea Environm Monitoring Ctr, Guangzhou 510300, Guangdong, Peoples R China; [Wang, Wen-Xiong] Hong Kong Univ Sci & Technol, Div Life Sci, Kowloon, Hong Kong, Peoples R China.Methylmercury in fish from the South China Sea: Geographical distribution and biomagnification,MARINE POLLUTION BULLETIN,2013,77(41641):437-444
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