Integrated Assessment of Heavy Metal Pollution in the Surface Sediments of the Laizhou Bay and the Coastal Waters of the Zhangzi Island, China: Comparison among Typical Marine Sediment Quality Indices
Zhuang, Wen1,2,3; Gao, Xuelu1; Gao, XL (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Shandong, Peoples R China. xlgao@yic.ac.cn
发表期刊PLOS ONE
ISSN1932-6203
2014-04-07
卷号9期号:4页码:e94145
关键词Sequential Extraction Procedure Acid-volatile Sulfide Pearl River Estuary Trace-metals Bohai Sea Physicochemical Properties Risk-assessment Yellow Sea Contamination Fractionation
DOI10.1371/journal.pone.0094145
产权排序[Zhuang, Wen; Gao, Xuelu] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Shandong, Peoples R China; [Zhuang, Wen] Zaozhuang Univ, Coll City & Architecture Engn, Zaozhuang, Shandong, Peoples R China; [Zhuang, Wen] Univ Chinese Acad Sci, Beijing, Peoples R China
作者部门中科院海岸带环境过程与生态修复重点实验室
英文摘要The total concentrations and chemical forms of heavy metals ( Cd, Cr, Cu, Ni, Pb and Zn) in the surface sediments of the Laizhou Bay and the surrounding marine area of the Zhangzi Island ( hereafter referred to as Zhangzi Island for short) were obtained and multiple indices and guidelines were applied to assess their contamination and ecological risks. The sedimentary conditions were fine in both of the two studied areas according to the marine sediment quality of China. Whereas the probable effects level guideline suggested that Ni might cause adverse biological effects to occur frequently in some sites. All indices used suggested that Cd posed the highest environmental risk in both the Laizhou Bay and the Zhangzi Island, though Cd may unlikely be harmful to human and ecological health due to the very low total concentrations. The enrichment factor ( EF) showed that a substantial portion of Cr was delivered from anthropogenic sources, whereas the risk assessment code ( RAC) indicated that most Cr was in an inactive state that it may not have any adverse effect either. Moreover, the results of EF and geoaccumulation index were consistent with the trend of the total metal concentrations except for Cd, while the results of RAC and potential ecological risk factor did not follow the same trend of their corresponding total metal concentrations. We also evaluated the effects of using different indices to assess the environmental impact of these heavy metals.; The total concentrations and chemical forms of heavy metals ( Cd, Cr, Cu, Ni, Pb and Zn) in the surface sediments of the Laizhou Bay and the surrounding marine area of the Zhangzi Island ( hereafter referred to as Zhangzi Island for short) were obtained and multiple indices and guidelines were applied to assess their contamination and ecological risks. The sedimentary conditions were fine in both of the two studied areas according to the marine sediment quality of China. Whereas the probable effects level guideline suggested that Ni might cause adverse biological effects to occur frequently in some sites. All indices used suggested that Cd posed the highest environmental risk in both the Laizhou Bay and the Zhangzi Island, though Cd may unlikely be harmful to human and ecological health due to the very low total concentrations. The enrichment factor ( EF) showed that a substantial portion of Cr was delivered from anthropogenic sources, whereas the risk assessment code ( RAC) indicated that most Cr was in an inactive state that it may not have any adverse effect either. Moreover, the results of EF and geoaccumulation index were consistent with the trend of the total metal concentrations except for Cd, while the results of RAC and potential ecological risk factor did not follow the same trend of their corresponding total metal concentrations. We also evaluated the effects of using different indices to assess the environmental impact of these heavy metals.
文章类型Article
资助机构Science & Technology - Other Topics
收录类别SCI
语种英语
关键词[WOS]SEQUENTIAL EXTRACTION PROCEDURE ; ACID-VOLATILE SULFIDE ; PEARL RIVER ESTUARY ; TRACE-METALS ; BOHAI SEA ; PHYSICOCHEMICAL PROPERTIES ; RISK-ASSESSMENT ; YELLOW SEA ; CONTAMINATION ; FRACTIONATION
研究领域[WOS]Science & Technology - Other Topics
WOS记录号WOS:000334159800105
引用统计
被引频次:99[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/8757
专题中国科学院海岸带环境过程与生态修复重点实验室
通讯作者Gao, XL (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Shandong, Peoples R China. xlgao@yic.ac.cn
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Shandong, Peoples R China
2.Zaozhuang Univ, Coll City & Architecture Engn, Zaozhuang, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
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Zhuang, Wen,Gao, Xuelu,Gao, XL . Integrated Assessment of Heavy Metal Pollution in the Surface Sediments of the Laizhou Bay and the Coastal Waters of the Zhangzi Island, China: Comparison among Typical Marine Sediment Quality Indices[J]. PLOS ONE,2014,9(4):e94145.
APA Zhuang, Wen,Gao, Xuelu,&Gao, XL .(2014).Integrated Assessment of Heavy Metal Pollution in the Surface Sediments of the Laizhou Bay and the Coastal Waters of the Zhangzi Island, China: Comparison among Typical Marine Sediment Quality Indices.PLOS ONE,9(4),e94145.
MLA Zhuang, Wen,et al."Integrated Assessment of Heavy Metal Pollution in the Surface Sediments of the Laizhou Bay and the Coastal Waters of the Zhangzi Island, China: Comparison among Typical Marine Sediment Quality Indices".PLOS ONE 9.4(2014):e94145.
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