[1] Univ Picardie Jules Verne, Unite Ecol & Dynam Syst Anthropises, EDYSAN, FRE CNRS 3498, 1 Rue Louvels, FR-80037 Amiens, France
[2] Uppsala Univ, Dept Organismal Biol, Systemat Biol, S-75236 Uppsala, Sweden
[3] Terres Inovia, 11 Rue Monceau, F-75378 Paris 08, France