Biomonitoring of organochlorine compounds and trace metals along the Eastern Adriatic coast (Croatia) using Mytilus galloprovincialis |
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| Authors: | Zorana Kljakovi?-Gašpi? Snje?ana Herceg-Romani? |
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| Institution: | a Institute for Medical Research and Occupational Health, Ksaverska cesta 2, P.O. Box 291, 10001 Zagreb, Croatia
b Institute of Oceanography and Fisheries, P.O. Box 500, 21000 Split, Croatia |
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| Abstract: | The paper presents the results of monitoring trace organic contaminants (17 PCBs and 7 OCPs) and 6 trace metals (Cd, Cr, Cu, Hg, Pb and Zn) in the coastal waters of the eastern Adriatic in 2006 using Mytilus galloprovincialis as indicator species. OCPs were found in all samples (0.07-14.3 ng g−1 d.wt.), while in positive samples concentrations of PCBs ranged between 0.16 and 20.5 ng g−1 d.wt. The α-HCH/γ-HCH and DDE/DDT ratios indicated recent input of γ-HCH and DDT. Spatial distributions of HCB, PCBs, DDTs and Hg were significantly correlated with population density. Although elevated concentrations of all trace metals and organic contaminants were recorded in the densely populated and industrialized areas, overall data point to relatively low level of contamination of the eastern Adriatic coast. Evaluation of the risks to human health associated with consumption of the mussels suggested that there is no health risk for moderate shellfish consumers. |
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| Keywords: | Adriatic Sea Biomonitoring PCBs OCPs Heavy metals Mussels |
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