文献类型：期刊文献

中文题名：土壤锗污染对土壤酶活性的生态毒理效应

英文题名：ECO-TOXICOLOGICAL EFFECTS OF Ge-POLLUTION ON SOIL ENZYME ACTIVITIES IN SOIL

作者：林匡飞[1];徐小清[2];郑利[2];邵志慧[3];项雅玲[3]

机构：[1]华东理工大学危险化学物质风险评价与控制研究中心,上海200237;[2]中国科学院水生生物研究所,武汉430072;[3]农业部环境质检中心,武汉430070

年份：2005

卷号：42

期号：1

起止页码：106

中文期刊名：土壤学报

外文期刊名：Acta Pedologica Sinica

收录：CSTPCD;;Scopus;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

基金：湖北省科技攻关计划引导项目(2001AA201C1)资助

语种：中文

中文关键词：土壤酶活性;脲酶活性;过氧化氢酶;盆栽试验;黄棕壤;脱氢酶;转化酶活性;生态毒理;生态风险评价;污染

外文关键词：Germanium pollution; Enzyme activity; Inhibition rate; Eco-toxicological effect; Bio-indicator

摘要：通过室内培养和盆栽试验,研究了土壤添加锗(Ge)对黄棕壤过氧化氢酶、脱氢酶、脲酶、碱性磷酸酶、转化酶的生态毒理效应。结果表明,在土壤Ge含量2~200 mg kg-1范围,土壤Ge对脱氢酶、碱性磷酸酶、转化酶活性抑制作用不明显。土壤Ge对土壤过氧化氢酶和脲酶活性有明显抑制作用,脲酶受Ge的抑制作用最强。土壤Ge含量与脲酶活性之间具有显著负相关,脲酶抑制率可作为Ge生态风险评价的一项生物指示物。
Eco-toxicological effects of germanium on activities of catalase,dehydrogenase,urease,phosphatase and invertase in brown-yellow soil were studied by means of indoor culture and pot culture experiments. The results showed that when Ge concentration ranged between 2～200 mg kg^(-1) in the soil,its inhibiting effect on soil dehydrogenase,phosphatase and invertase was not significant,but quite so the activity of soil catalase and urease; especially the latter. A significant negative relationship between urease activity and Ge concentration of soil could be observed,so it isfeasible to use inhibition rate of soil urease as a bio-indicator for ecological risk assessment of Ge pollution in the soil.