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Studies were carried out to investigate the contamination of Piracicaba and Mogi-Guaç…


Biology Articles » Hydrobiology » Freshwater Biology » Biomonitoring of Pb and Cd in two impacted watersheds in Southeast Brazil, using the freshwater mussel Anodontites trapesialis (Lamarck, 1819) (Bivalvia : Mycetopodidae) as a biological monitor

Abstract
- Biomonitoring of Pb and Cd in two impacted watersheds in Southeast Brazil, using the freshwater mussel Anodontites trapesialis (Lamarck, 1819) (Bivalvia : Mycetopodidae) as a biological monitor

Biomonitoring of Pb and Cd in two impacted watersheds in Southeast Brazil, using the freshwater mussel Anodontites trapesialis (Lamarck, 1819) (Bivalvia : Mycetopodidae) as a biological monitor

Andréa C. TomazelliI, II; Luiz A. MartinelliII, *; Wagner E. P. AvelarI; Plínio B. de CamargoII; Anne-Helene FostierIII; Epaminondas S. B. FerrazII; Francisco J. KrugII; Dário Santos JúniorII

IDepartamento de Biologia; Faculdade de Filosofia; Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto - SP - Brazil
IICentro de Energia Nuclear na Agricultura; Universidade de São Paulo; zebu@cena.usp.br; Av. Centenário, 303; C. P. 96; 13400-970; Piracicaba - SP - Brazil
IIIInstituto de Química; UNICAMP; Campinas - SP - Brazil

Braz. arch. biol. technol. vol.46 no.4 Curitiba Dec. 2003

ABSTRACT

Studies were carried out to investigate the contamination of Piracicaba and Mogi-Guaçu River basins (São Paulo State, Southeastern, Brazil) for heavy metals (Cd and Pb), using the limnic bivalve Anodontites trapesialis as a biological monitor. The results showed that the concentrations of Pb were higher than the control group in both basins, showing the bioavailability of this non-essential element in the basins. The concentrations were higher in the Mogi-Guaçu than in the Piracicaba basin, and in the slightly contaminated sites in both basins. There was no correlation between the degree of human impact and Cd and Pb concentrations, it was not possible to infer about concentrations of these heavy metals in the bivalves based only in a broad evaluation of human impact.

Key words: Biomonitoring, heavy metals, mussels, Piracicaba, Mogi-Guaçu, Brazil


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