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| Pollution of heavy metals and their assessment of potential ecological risk in surface sediments of National natural reserve of Dugong in Hepu of Guangxi |
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| DOI：10.3969/j.issn.1004-874X.2010.05.064 |
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| Abstract: |
| 分析了合浦儒艮自然保护区表层沉积物中重金属(Cu、Pb、Zn、Cd、Hg、As)含量的分布特征,并采用海洋沉积物质量国家标准和Hakanson沉积物重金属潜在生态危害系数与危害指数方法评价了该保护区沉积物重金属污染程度和潜在生态危害.结果表明:该保护区表层沉积物重金属含量均达到第一类海洋沉积物质量标准:重金属污染和潜在生态危害轻微;生态危害程度顺序为:Cd＞Hg＞As＞Pb＞Cu＞Zn;重金属污染主要来自陆源污染源. |
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