Heavy metal concentrations in two species of fish from the Crisul Negru River, Romania.
Journal Title: Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society - Year 2010, Vol 3, Issue 1
Abstract
The aim of this paper is to establish the potential bioaccumulation of five heavy metals (Cu, Cd, Ni, Co, Zn) in two species of fish from Crisul Negru River (Romania), moderately polluted from a mining area, comparative with the fish sampled from Crisul Repede River, considered as a control site. The sampling periods extended along three campaigns/ each month, from a total of ten months, on four sites situated along the Crisul Negru River and on a control site situated on the neighbouring stream, the Crisul Repede River, same catchment. The values obtained for the five heavy metals were in accordance with values registered in the water column and the upper threshold limit concentrations for fish meat imposed by European and other international normative, but with one exception. The increased values for cobalt accumulated in the fish from the immediate locations of a mining site do make them improper for human consumption.
Authors and Affiliations
Milca Petrovici, Octavian Pacioglu
Keywords
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