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Seasonal variation of trace metal concentrations in the digestive gland of the Mediterranean mussel Mytilus galloprovincialis: Comparison between a polluted and a non-polluted site by F. Regoli; E. Orlando is a Environmental Science article available to read on EtoBox.

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Seasonal changes in metal (Cu, Fe, Mn, Pb, and Zn) concentrations were observed in the digestive gland of the Mediterranean mussel, Mytilus galloprovincialis, from both a polluted and a non-polluted population. Digestive gland of mussels from the polluted site showed metal concentrations appreciably higher than in non-polluted organisms, especially for Pb (up to 160 Ixg/g d.w.), Mn (up to 300 Ixg/g d.w.), and Fe (up to 8,500 p,g/g d.w.), whereas the two populations showed maximum mean values, respectively, of 34 and 20 tzg/g d.w. for Cu and 170 and 120 Ixg/g d.w. for Zn. Over 1 year (1991), differences between maximum and minimum values were moderate only in the unpolluted organisms. During gametogenesis, while the metal concentrations (expressed as Ixg/g dry weight) decreased in the digestive gland, the tissue burden (as p~g) in that organ remained nearly constant

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Author

F. Regoli; E. Orlando

Publisher

Springer; Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0090-4341)

Published

1994

Language

EN

Field

Environmental Science (Physical Sciences)