You are using an outdated browser that is not supported by GeoNode.

Nella Tabella .dbf: Cd (µg/g); Pb (µg/g); Cu (µg/g); Mn (µg/g); Zn (µg/g); Cr (µg/g); Name of the station sampled.
The distribution of Cd (0.4–1.3 μg/g) and Mn (63–160 μg/g in the sediment was found to be relatively homogeneous across sampling sites and the main source of these metals could not be identified. Cr (0.4–31 μg/g) and Zn (2–23 μg/g) were mainly recorded near the mouths of the channels, while Pb (0.6–28 μg/g) and Cu (0.4–14 μg/g) were found mainly in the central area of the lagoon and near the points of entry of urban and agricultural runoff. Higher concentrations of metals are found in sediments compared to within the cell structure of Melicertus kerathurus. Concentrations of most metals have not changed markedly in the last decade (i.e., from the study of De Benedictis 1996 to the most recent), while Zn levels (255–1,155 μg/g) have considerably decreased. Metals in sediments are relatively conservative and therefore one can compare changes in time with more certainty than when looking at nutrient variation (D’Adamo 2008). Also in the more current study, metal content of the sediments proved to be lower than concentrations in water. And these values remain lower than or similar to those recorded by other authors for similar environments (Vazquez et al. 1999; Chou et al. 2004). Results of the investigations showed that the concentrations of all the investigated metals in the sampled sites of the Lesina lagoon were found to be independent of salinity.

Data digitized from D’Adamo R., Di Stasio M., Fabbrocini A., Petitto F., Roselli L., Volpe M.G. 2008. Migratory crustaceans as biomonitors of metal pollution in their nursery areas. The Lesina lagoon (SE Italy) as a case study. Environ Monit Assess 143,15–24. doi10.1007/s10661-007-9944-3.