摘要
在测定饲养在牛粪中和饲养在生活垃圾中的蚯蚓体内金属含量的基础上,采用蚯蚓饵料(牛粪)中加入亚硒酸钠和铜矿尾矿砂以喂养蚯蚓,进一步分析和比较了蚯蚓对硒和铜元素的富集作用。结果表明:饲养在牛粪和生活垃圾中的蚯蚓体内砷、汞、铅含量超过国家食品卫生标准;蚯蚓对硒和铜元素的富集能力很强,且富集铜的能力比富集硒的能力强,其最高富集硒和铜量分别为332.5mg·kg-1和1376.9mg·kg-1。
Earthworm (Eisenia foetida) was fed with bait mixture of cattle manure, sodium selenite and tailing sand from a copper mine in order to evaluate its accumulation on selenium and copper with an aid of determination of metals contents in the animals bodies. It has been found that the animal exhibited strong accumulation ability on either selenium or cooper. The highest concentrations of selenium and cooper were 332.5 mg and 1376.9 mg·kg-1, respectively, suggesting that the earthworm had a greater accumulation on cooper than on selenium.
出处
《农业环境保护》
CSCD
北大核心
2002年第1期16-18,共3页
Agro-Environmental Protection
基金
"九五"科技攻关项目(96-920-13-03)的一部分
