期刊
ENVIRONMENTAL POLLUTION
卷 157, 期 3, 页码 975-980出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2008.10.016
关键词
PBDE; Chinstrap penguin; Gentoo penguin; South polar skua; King George Island
资金
- Brazilian Antarctic Program (CNPq) [55.0348/02-6]
- Environmental Management of Admiralty Bay, King George Island, Antarctica
- College of Geosciences at Texas AM University
- Coordena do de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Ministry of Education, Brazil
Chinstrap and gentoo penguins are endemic species that live year round south of the Antarctic Convergence. South polar skua is a migratory seabird that can be observed in Antarctica during the breeding season (i.e., austral summer). This study compares concentration and pattern of poly-brominated diphenyl ethers (PBDEs) in eggs of seabirds breeding at King George Island Antarctic, Peninsula. PBDEs in south polar skua eggs are approximately 20 times higher than in penguin eggs suggesting that skuas are more exposed to contaminants during the non-breeding season when they migrate to waters of the northern hemisphere. The pattern of PBDE congeners also differs between south polar skua and penguin eggs. The latter exhibited a pattern similar to that found in the local biota. In contrast, the congener pattern in south polar skua eggs suggests that birds breeding at King George Island may winter in the northwestern Pacific Ocean. (C) 2008 Elsevier Ltd. All rights reserved.
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