辽宁某冶炼厂重金属污染对土壤中微生物的有效性影响  

Effect of Heavy Metal Pollution on Microbes Validity in Soil of a Smeltery in Liaoning Province

作　　者：蒋欢杰[1] 杨洪英[1] 范有静[2] 朱长亮[1] 王大文[1] 佟琳琳[1] 

机构地区：[1]东北大学材料与冶金学院,沈阳110004 [2]东北大学理学院,沈阳110004

出　　处：《环境保护科学》2007年第4期100-103,共4页Environmental Protection Science

基　　金：973计划项目(2004CB418506);辽宁省自然科学基金资助项目(20052030)

摘　　要：对某铜锌冶炼厂周边土壤微生物区系和土壤抗性细菌数进行了实验分析。结果表明,在冶炼厂周边土壤几种重金属含量与对照区土壤相比明显的增加。冶炼厂周边土壤中,土壤微生物的总数下降,土壤微生物各主要生理类群数量明显减少。抗性实验结果表明:由于土壤长期受重金属污染影响,土壤中细菌抗重金属水平提高,耐性菌种多。Microbial populations and heavy metal tolerant bacteria in soils around a copper-zinc smeltery were investigated The results showed that the contents of heavy metals in soils contaminated around the copper-zinc smeltery were higher than those in non-polluted soils, The microbial populations and physiological groups in soils decreased significantly compared with non--polluted soils. After a long time of effecting by heavy metal pollution, the adaptabilities of bacteria to heavy metal were improved and the number of strains tolerant to heavy metal was increased.

关 键 词：冶炼厂 土壤 重金属污染 微生物 抗性细菌 

分 类 号：X53[环境科学与工程—环境工程]