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学科主题: Geology ; Agriculture ; Water Resources
题名: Heavy metal contamination and ecological risk assessments in the sediments and zoobenthos of selected mangrove ecosystems, South China
作者: Liu, JL ; Wu, H ; Feng, JX ; Li, ZJ ; Lin, GH
通讯作者: lin.guanghui@sz.tsinghua.edu.cn
关键词: Mangrove ; Sediment ; Zoobenthos ; Vegetation ; Heavy metal ; Ecological risk
刊名: CATENA
发表日期: 2014
卷: 119, 页:136-142
收录类别: sci
部门归属: [Liu, Jinling] China Univ Geosci, Fac Earth Sci, Wuhan 430074, Peoples R China ; [Wu, Hao ; Lin, Guanghui] Tsinghua Univ, Grad Sch Shenzhen, Div Ocean Sci & Technol, Shenzhen 518055, Peoples R China ; [Liu, Jinling] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China ; [Feng, Jianxiang ; Li, Zhengjie] Xiamen Univ, Coll Environm, Key Lab MOE Coast & Wetland Ecosyst, Xiamen 361005, Peoples R China ; [Lin, Guanghui] Tsinghua Univ, Ctr Earth Syst Sci, Minist Educ, Key Lab Earth Syst Modeling, Beijing 100084, Peoples R China
项目归属: LMB
资助者: China Postdoctoral Science Foundation [2012M510201]; State Oceanic Administration [201305021]; National Nature Science Foundation of China [30930017]; K.C. Wong Education Foundation, Hong Kong
摘要: Mangrove ecosystems provide ideal habitats for many marine organisms, but few studies have been conducted on the possible impact of heavy metals on these fragile inter-tidal estuarine wetlands. This study aimed to investigate heavy metal contamination in the sediments and zoobenthos in different mangrove ecosystems of southern China and to evaluate potential ecology risks of heavy metals in the sediment of mangrove ecosystems. Significant differences among different geographical regions were observed for the contents of Cu, Zn, As, Cd, and Pb in the sediment, while no significant differences were found among different vegetations. Except for Pb, the heavy metal contents in two species of crabs (Perisesarma bidens and Parasesarma plicata) in the Aegiceras comiculatum forest were lower than those in Bruguiera gymnorrhiza forest or Pagatpat forest. The sediment in the most mangrove ecosystems of China posed considerable or moderate ecological risk. Correlation analysis and principal component analysis (PCA) revealed that Cr, Cu, Zn and Pb were mainly derived from anthropogenic activities such as industrial effluents and domestic sewage. (C) 2014 Elsevier B.V. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000336705500016
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10420
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Liu, JL; Wu, H; Feng, JX; Li, ZJ; Lin, GH.Heavy metal contamination and ecological risk assessments in the sediments and zoobenthos of selected mangrove ecosystems, South China,CATENA,2014,119():136-142
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