Publicações 2008

Mercury, Biomagnification, Madeira River, Amazon


A description of mercury in fishes from the Madeira River Basin, Amazon, Brazil

Wanderley Rodrigues BASTOS, Mauro de Freitas REBELO2, Márlon de Freitas FONSECA, Ronaldo de ALMEIDA, Olaf MALM

Abstract: Over the last 20 years several projects carried on the Madeira River basin in the Amazon produced a great amount data on total Hg concentration in different fish species. In this paper we discuss temporal trends in Hg contamination and its relation to body weight in some of those fishes, showing that even within similar groups, such as carnivorous and non-migratory fish, the interspecies variability in Hg accumulation is considerable.

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