The Metal Content of Bivalve Molluscs of a Coastal Lagoon of NW Mexico
2008
Frías-Espericueta, Martín G. | Osuna-López, José I. | Voltolina, Domenico | López-López, Gabriel | Izaguirre-Fierro, Gildardo | Muy-Rangel, María D.
The lagoonal system Altata-Ensenada del Pabellón supports important traditional fisheries and mollusc cultures and receives urban and agricultural effluents. The annual mean Cd contents of the oyster and mussel Crassostrea gigas and Mytella strigata of the inner mangrove swamps were higher than that of the clam Megapitaria squalida, which lives in areas under marine influence. Crassostrea corteziensis had the highest Cu and Zn contents, showing that it is a strong accumulator of both metals and especially of Zn, and there were no significant differences in the Pb content of the three species.
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