Affiliation: | (1) Department of Ecology and Systematics, 00014 University of Helsinki, P.O. Box 65 (Biocenter 3, Viikinkaari 1), Finland;(2) Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, Burnaby BC, V5A 1S6, Canada;(3) Aronia Research Centre, Åbo Akademi University &; Sydväst Polytechnic, Raseborgsvägen 6–8, 10600 Ekenäs, Finland |