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Posidonia oceanica (L.) Delile, a usefull tool for the biomonitoring of chemical contamination along the Mediterranean coast: a multiple trace element study
Richir, Jonathan; Gobert, Sylvie; Sartoretto, Stéphane et al.
2010In 4th Mediterranean Symposium on Marine Vegetation
Peer reviewed
 

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Keywords :
Trace elements; Seagrass; Posidonia oceanica; Mediterranean; Pollution
Abstract :
[en] The concentrations of 19 trace elements (TE): Be, Al, V, Mn, Co, As, Se, Mo, Ag, Sn, Sb and Bi as well as Cr, Fe, Ni, Cu, Zn, Cd and Pb, were analyzed by DRC ICP-MS in Posidonia oceanica (L.) Delile leaves from the Mediterranean French coast. The first 12 TE have little been studied nowadays. Except for Al, Cr, Fe, Cu and Ag, TE were preferentially accumulated in photosynthetic part of leaves. Moreover, trace element concentrations of the third intermediate leaf are representative of the integral shoot, and could be used alone in biomonitoring. Environmental background concentrations of the 12 little studied TE were determined, and spatial variations were related to anthropic activities. Compared to previous publications, concentrations of the 7 other TE classically investigated present a diminution or a stabilization, reflecting the change of anthropogenic inflows. In conclusion, P. oceanica is a sensitive bioindicator for chemical contamination, even for the twelve little studied TE.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
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
Sartoretto, Stéphane
Biondo, Renzo ;  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
Luy, Nicolas ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Language :
English
Title :
Posidonia oceanica (L.) Delile, a usefull tool for the biomonitoring of chemical contamination along the Mediterranean coast: a multiple trace element study
Alternative titles :
[fr] Posidonia oceanica (L.) Delile, un outil adéquat pour l'étude de la contamination chimique du littoral méditérranéen: application aux éléments traces
Publication date :
2010
Event name :
4th Mediterranean Symposium on Marine Vegetation
Event organizer :
Centre d’Activités Régionales pour les Aires Spécialement Protégées (CAR/ASP)
Event place :
Hammamet, Tunisia
Event date :
2-4 décembre 2010
Audience :
International
Main work title :
4th Mediterranean Symposium on Marine Vegetation
Peer reviewed :
Peer reviewed
Available on ORBi :
since 15 November 2010

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