Abstract
Heavy metals residues (i.e. Cu, Zn, Mn, and Pb) were determined in seven chosen tissues of two fish species (Esox lucius and Carassius auratus) from Anzali wetland. The impact of feeding habit on metal accumulations in different tissues as well as the respective contribution of water and food to matel uptake by fishes were considered. No tendency for bioamplification was observed for the metals along the wetland trophic levels. Generally, there was no statistically significant relationship between the metal content of the tissues and the fish length for both species. In all cases, except for lead, the mean amounts of the metals in the flesh of the species were higher than those in commercially important fishes from the Caspian sea. However, they were below the recommended levels for human consumption.
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Pourang, N. Heavy metal bioaccumulation in different tissues of two fish species with regards to their feeding habits and trophic levels. Environ Monit Assess 35, 207–219 (1995). https://doi.org/10.1007/BF00547632
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DOI: https://doi.org/10.1007/BF00547632