Seabird Guano Is an Efficient Conveyer of Persistent Organic Pollutants (POPs) to Arctic Lake Ecosystems

A.EVENSET; J.CARROLL; G.N.CHRISTENSEN

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Seabird Guano Is an Efficient Conveyer of Persistent Organic Pollutants (POPs) to Arctic Lake Ecosystems

机译：Seabird Guano Is an Efficient Conveyer of Persistent Organic Pollutants (POPs) to Arctic Lake Ecosystems

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Migratory seabirds have been linked to localized "hot-spots" of contamination in remote Arctic lakes.One of these lakes is Lake Ellasjoen on Bjornoya in the Barents Sea.Here we provide quantitative evidence demonstrating that even relatively small populations of certain seabird species can lead to major impacts for ecosystems.In the present example,seabird guano accounts for approximately 14 of the contaminant inventory of the Lake Ellasjoen catchment area,approximately 80 of the contaminant inventory of the lake itself,and is approximately thirty times more efficient as a contaminant transport pathway compared to atmospheric long-range transport.We have further shown that this biological transport mechanism is an important contaminant exposure route for ecosystems,responsible for POPs levels in freshwater fish that are an order of magnitude higher than those in Arctic top predators.Given the worldwide presence of seabird colonies in coastal marine areas where resources are also harvested by humans,this biological transport pathway may be a greater source of dietary contamination than is currently recognized with consequent risks for human health.

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《Environmental Science & Technology: ES&T》 |2007年第4期|1173-1179|共7页
作者
A.EVENSET; J.CARROLL; G.N.CHRISTENSEN;
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Akvaplan-niva,Polar Environmental Centre,9296 Tromso,Norway,Norwegian College of Fishery Science,University of Troms0,9037 Troms0,Norway,Norwegian Institute for Air Research,Polar Environmental Centre,9296 Tromso,Norway,Gartner Lee Limited,3 Watson R;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种英语
中图分类环境化学;
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Seabird Guano Is an Efficient Conveyer of Persistent Organic Pollutants (POPs) to Arctic Lake Ecosystems

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