Assessment of metal concentrations (Cu, Zn, and Pb) in seawater, sediment and biota samples in the coastal area of Eastern Black Sea, Turkey

This study investigated the contents of Cu, Zn and Pb in seawater, sediment, different shell sizes of mussel (Mytilus galloprovincialis) and sea snail (Rapana venosa) samples collected from four different provinces of the Eastern Black Sea Region. With the exception of Zn, all the metal concentratio...

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Bibliographic Details
Published in:Marine pollution bulletin 2017-09, Vol.122 (1-2), p.475-482
Main Authors: Baltas, Hasan, Sirin, Murat, Dalgic, Goktug, Bayrak, Esra Yilmaz, Akdeniz, Aysel
Format: Article
Language:English
Subjects:
Animals
Biota
Bivalvia
Black Sea
Daily intake dose
Eastern Black Sea
Environmental Monitoring
Heavy metal
Lead
Metals, Heavy - analysis
Mussel
Sea snail
Seawater
Snails
Turkey
Water Pollutants, Chemical - analysis
Zinc
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Summary:This study investigated the contents of Cu, Zn and Pb in seawater, sediment, different shell sizes of mussel (Mytilus galloprovincialis) and sea snail (Rapana venosa) samples collected from four different provinces of the Eastern Black Sea Region. With the exception of Zn, all the metal concentration values measured in the sea snail were observed to be higher than those of mussels in all stations. While the correlation between mussels and sea snail according to metal concentrations was found to be positive (p˂0.05), this relation was not observed between the other parameters, such as the shell sizes, salinity and pH (p˃0.05). Although the mean concentration values of Cu, Zn, and Pb for mussel and sea snail are significantly above the tolerable levels, the estimated daily intake values for mussel were below the daily intake recommended. [Display omitted] •Cu, Zn and Pb levels were determined in biota from Eastern Black Sea.•Sea snail had higher Cu and Pb and lower Zn levels than mussel.•Metal concentrations in sea snail are related to their ingestion via the food chain.•The investigated area is heavily contaminated.
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2017.06.059