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学科主题: Ecology ; Environmental Sciences ; Toxicology
题名: Arsenic speciation and spatial and interspecies differences of metal concentrations in mollusks and crustaceans from a South China estuary
作者: [Zhang, Wei ; Zhang, Li] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China ; [Wang, Wen-Xiong] Hong Kong Univ Sci & Technol HKUST, Div Life Sci, Kowloon, Hong Kong, Peoples R China
通讯作者: zhangwei2009@scsio.ac.cn ; wwang@ust.hk ; zhangli@scsio.ac.cn
关键词: Arsenic speciation ; Metals ; Mollusks ; Crustaceans
刊名: ECOTOXICOLOGY
发表日期: 2013
卷: 22, 期:4, 页:671-682
部门归属: LMB
资助者: We thank the two anonymous reviewers for their helpful comments. This work was supported by One Hundred Person Project of the Chinese Academy of Sciences (Y2SL021001), the CAS (Chinese Academy of Sciences)/SAFEA (State Administration of Foreign Experts Affairs) International Partnership Program for Creative Research Teams (KZCX2-YW-T001), and a Key Project from the National Natural Science Foundation of China (21237004).
摘要: Arsenic speciation and concentrations were determined in mollusks and crustaceans in the intertidal zone from twelve locations in Zhanjiang estuary, South China. Metal concentrations (Ag, As, Cd, Cu, Hg, Ni, Pb, and Zn) were also concurrently determined in these species. Arsenic speciation analysis showed that the less-toxic arsenobetaine (AsB) constituted 80.6-98.8 % of all As compounds, and dimethylarsinic acid (DMA) constituted 0.47-3.44 %. Monomethylarsonic acid (MMA) and As(V) were only detected in the whelk Drupa fiscella and the crab Heteropilumnus ciliatus, respectively. Arsenite [As(III)] was not detected in any of the sampled specimens, but there were also unidentified other As species. A strong spatial variation of metals in the oyster Saccostrea cucullata was found in the estuary, confirming that oysters can be used as a good biomonitor of metal contamination in the studied area. The concentrations of eight metals in the studied mollusks and crustaceans clearly revealed that these invertebrates accumulated different metals to different degrees. Furthermore, As, Cd, Cu, Hg, and Pb contents in mollusks and crustacean samples were below the Food and Agricultural Organization (FAO) safe concentrations, thus there was no obvious health risk from the intake of the metals through marine mollusks and crustaceans consumption.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000317977600007
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/11036
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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[Zhang, Wei; Zhang, Li] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Wang, Wen-Xiong] Hong Kong Univ Sci & Technol HKUST, Div Life Sci, Kowloon, Hong Kong, Peoples R China.Arsenic speciation and spatial and interspecies differences of metal concentrations in mollusks and crustaceans from a South China estuary,ECOTOXICOLOGY,2013,22(4):671-682
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