Communications lors de Congrès Scientifiques Internationaux:- Impact of industrially-contaminated soils on vegetation: responses from cells to communities, 14th International Symposium on Toxicity Assessment. Metz, France, August 30 – September 4 2009.- Phytochelatins induction after heavy metal exposure in Vicia faba roots. International Symposium Glutathione and Related Thiols in Microorganisms and Plants. Nancy, France, 26-29 August 2008. - Is phytostabilization a sustainable technology for metal contaminated sediment deposits? ICOBTE. 9th International conference on the Biogeochemistry of trace elements. Beijing, China, 5-19 July 2007.- Plant diversity and cell defence systems in an industrial wasteland at Homécourt (France), 17th Annual meeting of SETAC Europe. Porto, Portugal, 20-24 May 2007.- Effects of heavy metals on physiological parameters and oxidative stress in Snapdragon (Antirrhinum majus), 16th Annual meeting of SETAC Europe. The Hague, The Netherlands, 07-11 May 2006.- Integrated study of metal and organic pollutant fate and biological responses at the confluence of the Fensch and Moselle rivers (France), SEFS 4 - 4th Symposium for European freshwater sciences. Cracovie, Pologne, 22-26 June 2005.- Oxidative stress induced by trivalent and hexavalent chromium species in Fontinalis antyperetica Hedw, XVII International botanical congress. Vienna, Austria, 17-23 July 2005.