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学科主题: Environmental Sciences; Marine & Freshwater Biology
题名: Comprehensive assessment of heavy metal contamination in sediment of the Pearl River Estuary and adjacent shelf
作者: Yang, YQ ; Chen, FR ; Zhang, L ; Liu, JS ; Wu, SJ ; Kang, ML
通讯作者: frchen@gig.ac.cn
关键词: Sediment contamination ; Heavy metals ; AVS-SEM ; Sequential extraction ; Comprehensive assessment
刊名: MARINE POLLUTION BULLETIN
发表日期: 2012
卷: 64, 期:9, 页:1947-1955
部门归属: [Yang, Yongqiang; Chen, Fanrong; Liu, Jinsong; Wu, Shijun; Kang, Mingliang] Chinese Acad Sci, Pearl River Delta Res Ctr Environm Pollut & Contr, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Zhang, Ling] Chinese Acad Sci, State Key Lab Trop Oceanog, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Liu, Jinsong] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
项目归属: LTO
摘要: Total metal concentrations (Cr, Ni, Cu, Zn, and Pb), acid volatile sulfide and simultaneously extracted metals (AVS-SEM), and heavy metal fractionation were used to assess the heavy metals contamination status and ecological risk in the sediments of the Pearl River Estuary (PRE) and adjacent shelf. Elevated concentrations at estuarine sites and lower concentrations at adjacent shelf sites are observed, especially for Cu and Zn. Within the PRE, the concentration of heavy metals in the western shore was mostly higher than that in the middle shore. The metals from anthropogenic sources mainly occur in the labile fraction and may be taken up by organisms as the environmental parameters change. A combination of total metal concentrations, metal contamination index and sequential extraction analysis is necessary to get the comprehensive information on the baseline, anthropogenic discharge and bioavailability of heavy metals. (C) 2012 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000308851400036
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10121
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Recommended Citation:
Yang, YQ; Chen, FR; Zhang, L; Liu, JS; Wu, SJ; Kang, ML.Comprehensive assessment of heavy metal contamination in sediment of the Pearl River Estuary and adjacent shelf,MARINE POLLUTION BULLETIN,2012,64(9):1947-1955
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文件名: Comprehensive assessment of heavy metal contamination in sediment of the Pearl River Estuary and adjacent shelf.pdf
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