Mar Pollut Bull 2012 Feb 01;642:410-5. doi: 10.1016/j.marpolbul.2011.11.021.

Water characterization in three industrialized harbours (Vigo, Bilbao and Pasajes) in north coast of Spain.

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Total dissolved Cu, Zn, Pb and Cd concentrations, speciation, fluorescence of organic matter and toxicity for sea urchin development have been studied during three years in water samples of three of the most industrialized harbours in North Coast of Spain: Vigo, Bilbao and Pasajes. Total metal concentrations were below 0.4 nM for Cd and generally below 2 nM for Pb. Zn and Cu levels were higher (2.8-9 nM Cu and 15-234 nM Zn) and denoted an anthropogenic enrichment. Ligand concentrations were usually between 50 and 200 nM for Cu and between 6 and 80 for Pb and Zn. Organic matter and speciation analysis yielded complementary information to characterize the samples, but no correlation was present between the parameters calculated by both methods. Samples were tested for toxicity with sea urchin embryo bioassay and three samples were toxic but the toxicity could not be explained with the metal levels here measured.

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Genes referenced: LOC100887844