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学科主题: Environmental Sciences; Marine & Freshwater Biology; Toxicology
题名: Spatial distribution of gut juice extractable Cu, Pb and Zn in sediments from the Pearl River Estuary, Southern China
作者: Wang, F ; Wang, WX ; Huang, XP
通讯作者: xphuang@scsio.ac.cn
关键词: Bioaccessibility ; Metals ; Extraction ; Total concentration ; Distribution pattern ; Sediments ; Pearl River Estuary
刊名: MARINE ENVIRONMENTAL RESEARCH
发表日期: 2012
卷: 77, 页:112-119
部门归属: [Wang, Fei; Wang, Wen-Xiong; Huang, Xiao-Ping] Chinese Acad Sci, State Key Lab Trop Oceanog, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Wang, Fei] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China; [Wang, Wen-Xiong] HKUST, Div Life Sci, Kowloon, Hong Kong, Peoples R China
项目归属: LTO
摘要: In this study, we compared the spatial distribution of total metals (Cu, Pb, and Zn) and bioaccessible metals, which were quantified by incubating sediments with the digestive fluid of sipunculans Sipunculus nudus, in natural sediments of the Pearl River Estuary (PRE). The spatial distribution of bioaccessible metal was not the same as that of total metals in PRE sediments, which were mainly controlled by fine-grained size, total organic carbon (TOC) and Fe. Geochemical factors were important in interpreting this different spatial variation. The similar spatial variations of bioaccessible Cu and total Cu were related to TOC in PRE sediments. Differently from the total Zn, a higher bioaccessible Zn was detected near the West Channel of PRE because of a lower TOC. However, the distribution of bioaccessible Pb was not significantly related to any sediment geochemistry. This study provides a more accurate view of metal pollution in the PRE natural sediments. (C) 2012 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000304296700014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10163
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Wang, F; Wang, WX; Huang, XP.Spatial distribution of gut juice extractable Cu, Pb and Zn in sediments from the Pearl River Estuary, Southern China,MARINE ENVIRONMENTAL RESEARCH,2012,77():112-119
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