Use of oligochaete communities for assessing the quality of sediments in watercourses of the Geneva area (Switzerland) and Artois-Picardie basin (France): proposition of heavy metal toxicity thresholds
Laboratoire des Interactions Ecotoxicologie, Biodiversite, Ecosystemes, CNRS UMR 7146, Universite Paul Verlaine de Metz, Campus Bridoux, Avenue du GI Delestraint, 57070 Metz, France