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Evaluation on the pollution and potential ecological risk of heavy metals for the surface sediment in Shantou estuary
Author(s): 
Pages: 312-317
Year: Issue:  4
Journal: Ecological Science

Keyword:  汕头湾表层沉积物重金属污染潜在生态风险;
Abstract: 汕头湾作为华南地区重要的出海门户,汕头市主要的旅游区和水产养殖基地,其环境污染问题已成为制约当地经济发展的重要因素,为此2002年在此开展了重大科技术兴海项目,以海洋沉积物质量标准、单因子污染指数和潜在生态风险评价体系对汕头湾表层沉积物重金属污染现状和潜在生态风险进行了评价.结果表明:汕头湾表层沉积物中Cd,Cu,Pb,Zn的平均含量超过海沉积物质量标准(Ⅰ类);以单因子污染指数评价,Cd达到很强...
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