多环芳烃污染土壤毒性评价指标的研究进展

被引：22

作者：

邓欢

郭光霞

乔敏

机构：

[1] 中国科学院生态环境研究中心

来源：

生态毒理学报 | 2009年 / 01期

关键词：

生理学指标; 遗传学指标; 灵敏度;

D O I：

暂无

中图分类号：

X53 [土壤污染及其防治];

学科分类号：

082803 ; 120405 ;

摘要：

土壤微生物、植物和动物的生理学和遗传学指标被广泛用于评价土壤中多环芳烃(Polycyclic Aromatic Hydrocarbons,PAHs)污染程度、毒性以及修复效果等,对指标本身的研究也在不断取得新认识和新进展.首先,许多研究对不同的指标进行比较,以检验它们在灵敏度上的差别;其次对指标的选择也越来越突出对PAHs污染的预警能力,因而普遍采用亚致死效应指标,且对指标的研究不断向基因、分子水平深入,力求通过早期的响应特征对PAHs污染程度做出及时判断;再次,PAHs污染土壤评价指标正不断朝着更加宏观和更加微观两个方向扩展,目前的指标体系已经覆盖了分子、细胞、个体、群落和生态系统等不同层次.论文依据PAHs毒性作用机理,从生理生化和遗传学角度综述了国内外评价PAHs污染土壤毒性时较为常用的生物指标及其研究进展,为国内进行相关研究工作提供参考.

引用

页码：1 / 13

页数：13

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