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Trace Metal Residues in Marine Mussels: A Global Survey.


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Cledon, Maximiliano, Tremblay, Louis A., Griffiths, Charles, Fadhlaoui, Mariem, Champeau, Olivier, Albentosa, Marina, Besada, Victoria, Fernandez, Victor H., McKindsey, Christopher W., Bendell, Leah I., Zhang, Bin, Garcia‐Esquivel, Zaul, Curiel, Sergio, Brar, Satinder Kaur, Kumar, Pratik, Laroche, Olivier et Couture, Patrice ORCID: https://orcid.org/0000-0002-1944-5136 (2021). Trace Metal Residues in Marine Mussels: A Global Survey. Environmental Toxicology and Chemistry , vol. 40 , nº 12. p. 3434-3440. DOI: 10.1002/etc.5228.

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Pressures from anthropogenic activities are causing degradation of estuarine and coastal ecosystems around the world. Trace metals are key pollutants that are released and can partition in a range of environmental compartments, to be ultimately accumulated in exposed biota. The level of pressure varies with locations and the range and intensity of anthropogenic activities. The present study measured residues of trace metals in Mytilus mussel species collected from a range of locations around the world in areas experiencing a gradient of anthropogenic pressures that we classified as low, moderate, or high impact. The data showed no grouping/impact level when sampling sites in all countries were incorporated in the analysis, but there was significant clustering/impact level for most countries. Overall, high-impact areas were characterized by elevated concentrations of zinc, lead, nickel, and arsenic, whereas copper and silver were detected at higher concentrations in medium-impact areas. Finally, whereas most metals were found at lower concentrations in areas classified as low impact, cadmium was typically elevated in these areas. The present study provides a unique snapshot of worldwide levels of coastal metal contamination through the use of Mytilus species, a well-established marine biomonitoring tool.

Type de document: Article
Mots-clés libres: marine mussels;mytilus; metals; international survey; pollution; bioaccumulation
Centre: Centre Eau Terre Environnement
Date de dépôt: 09 févr. 2022 15:28
Dernière modification: 04 oct. 2022 04:00
URI: https://espace.inrs.ca/id/eprint/12209

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