Affiliation: | 1.Section of Ecology, Department of Biology, University of Turku, 20014, Turku, Finland ;2.Arctic Centre, University of Lapland, 96301, Rovaniemi, Finland ;3.Ecology and Genetics Research Unit, University of Oulu, P. O. Box 8000, 90 014, Oulu, Finland ;4.Department of Arctic and Marine Biology, UiT - Arctic University of Norway, 9037, Tromsø, Norway ;5.Department of Forest Resource Management, Swedish University of Agricultural Sciences, 90183, Umeå, Sweden ; |