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A multispecies approach for monitoring persistent toxic substances in the Gulf of Gdańsk (Baltic sea)

Abstract : Bivalve mussels are usually used for biomonitoring persistent toxic substances (PTS) in coastal ecosystems. Nevertheless, these organisms, which live attached on hard substrates, can be found along the sandy coasts only on human manufactured products. In this work different species collected in the Gulf of Gdańsk were compared to evaluate their suitability for monitoring PTS pollution at a local scale. The clam Mya arenaria seems to represent an excellent indicator of sediment pollution, mainly for organotin compounds which are selectively bioaccumulated. Organochlorine compounds are bioaccumulated in the different species mainly in function of their lipid body burden. Habitat conditions (salinity, substrate, pollution), however, strongly limited the occurrence of different species in the sampling sites; the most ubiquitous species, the common shrimp Crangon crangon, resulted therefore the most suitable to be used for the comparison of PTS pollution in this aquatic environment. Although the blue mussel (Mytilus trossulus) was confirmed to be a very useful sentinel species to compare pollution level inside and outside the Gulf of Gdańsk, we recommend the use of other species to give a more detailed picture of the pollution situation in coastal areas
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Soumis le : mercredi 16 novembre 2011 - 16:02:27
Dernière modification le : mercredi 16 septembre 2020 - 11:06:01

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S. Galassi, R. Bettinetti, M. C. Neri, R. Jeannot, T. Dagnac, et al.. A multispecies approach for monitoring persistent toxic substances in the Gulf of Gdańsk (Baltic sea). Ecotoxicology and Environmental Safety, Elsevier, 2008, 69 (1), pp.39-48. ⟨10.1016/j.ecoenv.2006.11.015⟩. ⟨hal-00641780⟩

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