Ecotoxicological risk assessment of environmental pollutants in the Arctic

被引：26

作者：

Brunström, B ^{[1
]}

Halldin, K ^{[1
]}

机构：

[1] Uppsala Univ, Dept Environm Toxicol, SE-75236 Uppsala, Sweden

来源：

TOXICOLOGY LETTERS | 2000年 / 112卷

关键词：

Arctic fox; glaucous gull; polar bear; polychlorinated biphenyls; risk assessment;

D O I：

10.1016/S0378-4274(99)00201-5

中图分类号：

R99 [毒物学（毒理学）];

学科分类号：

100405 ;

摘要：

Concentrations of such persistent organic pollutants (POPs) as polychlorinated biphenyls (PCBs) are high in certain Arctic animal species. The polar bear, Arctic fox, and glaucous gull may be exposed to PCB levers above lowest-observed-adverse-effect-level (LOAEL) values for adverse effects on reproduction in mammals and birds. However, the dioxin-like congeners seem to be major contributors to the reproductive effects of PCBs and the relative concentrations of these congeners are low in polar bears. Temporal trends for POPs in Arctic wildlife and the sensitivities of Arctic species to these compounds determine the risk for future adverse health effects. (C) 2000 Elsevier Science ireland Ltd. All rights reserved.

引用

页码：111 / 118

页数：8

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