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Título: Bioaccumulation of heavy metals in Liza saliens from the Esmoriz-Paramos coastal lagoon, Portugal
Autor: Fernandes, Conceição
Fontaínhas-Fernandes, A.
Peixoto, Francisco P.
Salgado, Maria Antónia
Palavras-chave: Bioaccumulation
Chronic exposure
Heavy metals
Liza saliens
Issue Date: 2007
Editora: Elsevier
Citação: Fernandes, Conceição; Fontaínhas-Fernandes, A.; Peixoto, F.; Salgado, M.A. (2007) - Bioaccumulation of heavy metals in Liza saliens from the Esmoriz-Paramos coastal lagoon, Portugal. Ecotoxicology and Environmental Safety. ISSN 0147-6513. 66:3, p. 426-431
Relatório da Série N.º: 66 (3);
Resumo: Heavy metal (Cu and Zn) concentrations in liver, gills, and muscle of leaping grey mullet, Liza saliens, from the Portuguese Esmoriz–Paramos coastal lagoon were measured to evaluate their bioaccumulation as a function of sediment contamination. The highest metal concentrations were observed in the liver (254mg Cu kg 1) and gills (114 mgZn kg 1). Bioaccumulation factors (BAFs) were found to follow the order: Cu-liver4Cu-gills4Cu-muscle and Zn-gills4Zn-liver4Zn-muscle. The highest BAFs were observed in the organs mainly implicated in metal metabolism and a significant positive relationship was found between BAFs and fish age. These results suggest the loss of homeostatic capacity of L. saliens under chronic metal exposure leading to bioaccumulation. Furthermore, Cu-liver and Zngills accumulation can be good environmental indicators of metal stress in L. saliens
Arbitragem científica: yes
ISSN: 0147-6513
Appears in Collections:PTV - Artigos em Revistas Indexados ao ISI/Scopus

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