Spatial distribution and potential ecological risk assessment of heavy metals in surface sediments o

来源 :The Second Xiamen Symposium on Marine Environmental Sciences | 被引量 : 0次 | 上传用户：shengli46

【摘要】

：

根据2012 年福建湄洲湾海域表层沉积物样品测定的7 种重金属(Cr、Co、Ni、Cu、Zn、As、Pb)含量数据,研究重金属在沉积物中的含量和空间分布特征,然后运用主成分分析法分析各重金属的主要来源,最后采用潜在生态危害指数法评价其污染程度和潜在生态危害.结果表明,相对第一类海洋沉积物标准,Cu、Zn、As 和Pb 均未超标,Cr 超标21.2％.

【作者】

：

Lihong Yang

【机构】

：

College of Ocean and Earth Sciences,Xiamen University,Xiamen

【出处】

：

The Second Xiamen Symposium on Marine Environmental Sciences

【发表日期】

：

2015年5期

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