Affiliation: | Laboratoire d'Ecologie CNRS–UMR 7625, UniversitéPierre et Marie Curie, 7 quai Saint Bernard, Bâtiment A 7èmeétage, Case 237, F−75252 Paris Cedex 05, France;;University of Bern, Institute of Zoology, Department of Evolutionary Ecology, Baltzerstrasse 6, CH−3012, Bern, Switzerland;;Swedish University of Agricultural Sciences, Department of Conservation Biology, Box 7002, S−75007 Uppsala, Sweden;;Uppsala University, Centre of Evolutionary Biology, Department of Animal Ecology, Norbyvägen 18D, S−752 36 Uppsala, Sweden |