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Pesticide residues in rivers of a Brazilian Rain Forest Reserve: Assessing the potential concern for effects on aquatic life and human health.

Rosana Moraes (COMESA, Miljösystemanalys) ; Sara Elfvendahl ; Henrik Kylin ; Sverker Molander (COMESA, Miljösystemanalys)
Ambio (ISSN 0044-7447). Vol. 32 (2003), 4, p. 258-263.
[Artikel, refereegranskad vetenskaplig]

Pesticide residues in water, sediment, and fish samples from rivers of a Brazilian Rain Forest Reserve were measured in November 1998, March 1999, and January 2000. Concentrations of the individual pesticides were compared to ecotoxicological benchmarks based on acute toxicity tests, and to regulatory guidelines to determine the potential concern for effects on aquatic life and human health. Pesticides and metabolites were detected at all 7 sites surveyed. Residues of a total of 27 pesticides or metabolites were found in water and/or sediment samples and fish have accumulated some of the most persistent of these residues. Measured concentrations in water and sediment indicated concern for preservation of aquatic fauna. Several pesticides in water were above levels for drinking water recommended by Brazilian and/or European Union authorities, indicating also a concern for human health.

Nyckelord: pesticides, Brazil, rain forest, aquatic ecosystem

Denna post skapades 2006-09-25. Senast ändrad 2014-09-02.
CPL Pubid: 300


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COMESA, Miljösystemanalys (1900-2004)



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