Uso do bivalve límnico Anodontites tenebricosus (LEA, 1834) no biomonitoramento de metais do Rio Ribeira de Iguape

This study investigated the contamination of the Ribeira de Iguape River - RIR by Cd, Zn, Cr and Pb, using the bivalve Anodontites tenebricosus as a biomonitor. Metal concentrations in tissue samples were measured by HR-ICPMS. Bivalve tissues exhibited mean levels of 1.00 µg/g Cd; 152.89 µg/g Zn; 14...

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Bibliographic Details
Published in:Química Nova 2012, Vol.35 (3), p.454-459
Main Authors: Rodrigues, Valéria Guimarães Silvestre, Fujikawa, Aline, Abessa, Denis Moledo de Souza, Hortellani, Marcos Antonio, Sarkis, Jorge Eduardo Souza, Sígolo, Joel Barbujiani
Format: Article
Language:English
Subjects:
Anodontites tenebricosus
contamination
Ribeira de Iguape River
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Summary:This study investigated the contamination of the Ribeira de Iguape River - RIR by Cd, Zn, Cr and Pb, using the bivalve Anodontites tenebricosus as a biomonitor. Metal concentrations in tissue samples were measured by HR-ICPMS. Bivalve tissues exhibited mean levels of 1.00 µg/g Cd; 152.89 µg/g Zn; 14.79 µg/g Cr and 4.40 µg/g Pb. Lead concentrations were comparable to those reported for moderately contaminated sites. The results showed that Pb is bioavailable to the bivalves, exhibiting high concentrations and exceeding both natural and reference values for human consumption. The freshwater bivalve Anodontites tenebricosus is a suitable biomonitor of contamination by metals.
ISSN:0100-4042
1678-7064
DOI:10.1590/S0100-40422012000300003