HIGH-CONCENTRATIONS OF TOXAPHENE IN FISHES FROM A SUB-ARCTIC LAKE

被引：122

作者：

KIDD, KA

SCHINDLER, DW

MUIR, DCG

LOCKHART, WL

HESSLEIN, RH

机构：

[1] UNIV ALBERTA, DEPT BIOL SCI, EDMONTON, AB T6G 2E9, CANADA

[2] FISHERIES & OCEANS CANADA, INST FRESHWATER, WINNIPEG, MB R3T 1L2, CANADA

来源：

SCIENCE | 1995年 / 269卷 / 5221期

关键词：

D O I：

10.1126/science.269.5221.240

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Concentrations of toxaphene and other organochlorine compounds are high in fishes from subarctic Lake Laberge, Yukon Territory, Canada. Nitrogen isotope analyses of food chains and contaminant analyses of biota, water, and dated lake sediments show that the high concentrations of toxaphene in fishes from Laberge resulted entirely from the biomagnification of atmospheric inputs. A combination of low inputs of toxaphene from the atmosphere and transfer through an exceptionally long food chain has resulted in concentrations of toxaphene in fishes that are considered hazardous to human health.

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收藏

页码：240 / 242

页数：3

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