SPATIAL, SOURCE, AND RISK ASSESSMENT OF HEAVY METALS IN SEDIMENTS FROM THE BIGGEST MARICULTURE BASE OF EASTERN GUANGDONG COAST, CHINA

被引：0
|
作者：
Gu, Yang-Guang [1 ,2 ]
Jiang, Shi-Jun [3 ]
Lin, Qin [1 ,2 ]
Du, Fei-Yan [1 ,2 ]
Zhang, Lin-Bao [1 ,2 ]
机构：
[1] Chinese Acad Fishery Sci, Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China
[2] Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China
[3] Jinan Univ, Guangdong Higher Educ Inst, Key Lab Eutrophicat & Red Tide Prevent, Guangzhou 510632, Guangdong, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2013年 / 22卷 / 11期
关键词：
Heavy metals; spatial pattern; mariculture sediments; risk assessment; GIS-BASED APPROACH; MARINE-SEDIMENTS; SURFACE SEDIMENTS; POLLUTION ASSESSMENT; BAY; CONTAMINATION; AQUACULTURE; SPECIATION; ESTUARINE; IMPACTS;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Heavy metals in sediments from Zhelin Bay and its vicinity, the biggest mariculture base of eastern Guangdong Province in South China, were investigated. The results demonstrated that the concentration (mg/kg) ranges were 0.04-0.14 for Cd, 14.00-167.00 for Pb, 35.00-97.33 for Cr, and 20.67-52.67 for Ni, respectively. These metals exhibited great spatial variations with the most serious contaminations found in or very close to the Han River. A principal components analysis (PCA) coupled with correlation analysis revealed that Pb and Cr levels might originate from lithogenic source, whereas Cd and Ni may have an anthropogenic origin related to industrial and agricultural sources. In general, surface sediments of Zhelin Bay and its vicinity had a 21% probability of toxicity based on the mean effects range-median quotient.
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收藏
页码：3210 / 3216
页数：7
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