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UMR iEES Paris (CNRS, UPMC, Inra, IRD, AgroParisTech, UPEC), Institute of Ecology and Environmental Sciences–Paris, université Pierre-et-Marie-Curie, 75005 Paris, France
GDR CNRS 3716 GRET, Groupe de recherche en écologie trophique, 63170 Aubière, France