土壤中几种常见重金属对陆生无脊椎动物的毒性作用

Yilun Dai, Yi Xiao
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引用次数: 0

摘要

本文采用野外调查与室内模拟实验相结合的生态毒理学研究方法。对铅酸电池厂固体土壤样品进行重金属污染采样分析,确定Pb、Cd、Cr为污染研究对象,探讨了Eiseniafetida在重金属Pb、Cd、Cr胁迫下的生物反应机理,并得出结果。Pb、Cd、Cr对Pb、Cd、Cr的致死和亚致死效应及生物标志物的影响。主要研究结果如下:在爱生虫急性毒性试验中,Pb、Cd和Cr单次暴露14 d的理论半致死浓度(LC50)分别为2620.93、362.83和229.44 mg/kg,其毒性表现为Cr>Cd>Pb。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Toxic Effects of Several Common Heavy Metals in Soils on Terrestrial Invertebrates
In this paper, the ecotoxicology research method combines field investigation and indoor simulation experiment. Sampling and analysis of heavy metal pollution of solid soil samples from lead-acid battery factory, identified Pb, Cd and Cr as the pollution research objects, discussed the biological reaction mechanism of Eiseniafetida under the stress of heavy metals Pb, Cd and Cr, and obtained the results. The results of the lethal and sublethal effects of Pb, Cd and Cr on Pb, Cd and Cr and the effect of biomarkers. The main research results are as follows: In the acute toxicity test of Aisheng worm, the theoretical half-lethal concentrations (LC50) of single Pb, Cd, and Cr exposure for 14 days were 2620.93, 362.83, and 229.44 mg/kg, respectively, and their toxicity was Cr>Cd>Pb .
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