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Poster (Scientific congresses and symposiums)
Recent threats on coastal ecosystems by new pollutants: a multiple trace element study
Richir, Jonathan; Gobert, Sylvie; Bouquegneau, Jean-Marie
2009ASLO Aquatic Sciences Meeting 2009
 

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Keywords :
coastal Mediterranean ecosystem; trace elements; pollution
Abstract :
[en] The Mediterranean Sea is an enclosed basin, highly submitted to anthropogenic pressures. Chemical pollution from coastal urban centres and industries, or carried by air and rivers, primarily affects its coastal ecosystems. Pollution by trace elements is rapidly evolving further to the recent modifications of their production and industrial uses by men. As a result, certain trace elements can now be considered as new environmental pollutants. Appropriate bioindicators are useful tools for the early warning of marine pollution. We presently investigate the use of the purple sea urchin Paracentrotus lividus and the marine phanerogam Posidonia oceanica as bioindicators to monitor the Mediterranean coastal pollution by new trace pollutants (Be, V, Mo, Mn, PGEs, Ag, Al, As, Se, Sb and Bi). Classic trace metals (Cd, Cr, Cu, Zn, Ni, Sn, Pb, Co and Fe) are also studied. Organisms were seasonally collected in 2008 in a reference site and a polluted one, respectively Calvi bay (Corsica) and Marseille (France). Their tissular trace element concentrations were determined by ICP-MS. All the investigated trace elements were chosen for their potential toxic effects.
Research center :
Laboratoire d'Océanologie
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Richir, Jonathan  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Gobert, Sylvie  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Bouquegneau, Jean-Marie ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Language :
English
Title :
Recent threats on coastal ecosystems by new pollutants: a multiple trace element study
Alternative titles :
[fr] Récentes menaces de pollution par les éléments traces pesant sur l'écosystème côtier: une étude multiélémentaire
Publication date :
January 2009
Number of pages :
A0 (.pub), A4 (.bmp, .pdf)
Event name :
ASLO Aquatic Sciences Meeting 2009
Event organizer :
ASLO
Event place :
Nice, France
Event date :
25-30 January 2009
Audience :
International
Name of the research project :
Evolution of the pollution by trace elements into the marine environment further to the recent modifications of their production and use by men: case of the Western Mediterranean Sea
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 09 March 2009

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