<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The experiment was carried out to determine the potential of heavy metals (Cd, Pb, Cu and Zn) passing from bottom sediments to fish and to identify the correlations between concentrations of these metals in bottom sediments and those in fish. The study material consisted of guppies <italic>Poecilia reticulata</italic> Peters and bottom sediments with known concentrations of the determined metals in particular fractions. As result of the 60-day exposure of the fish to environments with bottom sediments containing various heavy metals loads, an increasing trend was observable for cadmium and lead concentrations in guppies. Comparative analysis showed that the degree of bottom sediment heavy metal contamination influenced concentrations of these in the guppies. It was found that even small changes in environmental conditions affected the release of metals from bottom sediments, which resulted in notable differences in the concentrations of the examined metals in the fish.</p></abstract>

The experiment was carried out to determine the potential of heavy metals (Cd, Pb, Cu and Zn) passing from bottom sediments to fish and to identify the correlations between concentrations of these metals in bottom sediments and those in fish. The study material consisted of guppies Poecilia reticulata Peters and bottom sediments with known concentrations of the determined metals in particular fractions. As result of the 60-day exposure of the fish to environments with bottom sediments containing various heavy metals loads, an increasing trend was observable for cadmium and lead concentrations in guppies. Comparative analysis showed that the degree of bottom sediment heavy metal contamination influenced concentrations of these in the guppies. It was found that even small changes in environmental conditions affected the release of metals from bottom sediments, which resulted in notable differences in the concentrations of the examined metals in the fish.

Studies on the Bioavailability of Heavy Metals (Cd, Pb, Cu, Zn) from Bottom Sediments to Guppies, <italic>Poecilia Reticulata</italic> Peters

Department of Toxicology, Agricultural University of Szczecin, Poland

Department of Physiology, University of Szczecin, Poland

Fisheries & Aquatic Life

Studies on the Bioavailability of Heavy Metals (Cd, Pb, Cu, Zn) from Bottom Sediments to Guppies,  Peters

The experiment was carried out to determine the potential of heavy metals (Cd, Pb, Cu and Zn) passing from bottom sediments to fish and to identify the...

Studies on the Bioavailability of Heavy Metals (Cd, Pb, Cu, Zn) from Bottom Sediments to Guppies, Poecilia Reticulata Peters

Publié en ligne: 30 déc. 2008

Pages: 155 - 166

DOI: https://doi.org/10.2478/s10086-008-0013-5

Mots clés
Heavy Metals, Guppies, Fish, Bottom Sediments, Bioavailability

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