摘要
分别在3个不同水期采集了长江江苏段鱼类及底栖动物,分析了可食用部分中铅、汞等金属元素。分析结果表明,鱼及螺蛳受到不同程度的金属污染,底栖动物污染程度重于鱼类,主要污染元素为铅。
The contents of heavy metals in fishes and zoobenthos in the Changjiang River of Jiansu block were determined at different water periods. Those metals were Pb ,Hg ,Cd ,As ,Cr,Ni ,Se ,Be and T1. The results showed that the metal content absorption by various organisms of different water period. It is also concluded that the metal contents in zoobenthos are higher than those in fishes. Pb is the main pollutant.
出处
《江苏地质》
2007年第3期223-227,共5页
Jiangsu Geology
基金
江苏省环境保护科技发展基金项目(编号2004012)
关键词
重金属
鱼类
底栖动物
长江江苏段
Heavy metals
Fishes
Zoobenthos
Jiangsu block in the Changjiang River
