Persistent organic pollutants in juvenile Magellanic Penguins (Spheniscus magellanicus) in South America.
Chemosphere
; 149: 391-9, 2016 04.
Article
em En
| MEDLINE
| ID: mdl-26881336
Magellanic penguins, Spheniscus magellanicus, are the most abundant penguins living in temperate regions of South America and are good indicators of environmental pollution in the region. Persistent organic pollutants (POPs) were detected in the liver of Magellanic penguins found debilitated or dead on the beaches of Brazil (states of Rio de Janeiro, Sao Paulo, Santa Catarina and Rio Grande do Sul) between 2008 and 2012 as well as in Uruguay and Chile in 2011. Polychlorinated biphenyls (PCBs) were more prevalent than organochlorine pesticides (DDTs â¼ HCB â¼ Drins) and polybrominated diphenyl ethers (PBDEs). Among PCBs, penta-, hexa- and hepta-chlorinated congeners were predominant. Concentrations of POPs were similar between the Pacific and Atlantic penguin populations, except for PCBs, which were relatively higher in the Pacific population. During the study years (2008-2012), large variations were found in organochlorine pesticides and PCBs tended to decline. Overall, the southern portion of South America has low concentrations of POPs, with either a constant trend or evidence of decline.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Poluentes Químicos da Água
/
Monitoramento Ambiental
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Spheniscidae
Limite:
Animals
País/Região como assunto:
America do sul
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Brasil
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Chile
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Uruguay
Idioma:
En
Revista:
Chemosphere
Ano de publicação:
2016
Tipo de documento:
Article
País de publicação:
Reino Unido