Institution: | 1.Landscape Ecology Group, Department of Ecology and Environmental Science,Ume? University,Ume?,Sweden;2.Department of Social and Economic Geography,Ume? University,Ume?,Sweden;3.Institute of Geography,Russian Academy of Sciences,Moscow,Russia;4.The Finnish Forest Research Institute, Rovaniemi,Rovaniemi,Finland;5.Department of Ecology and Environmental Science,Ume? University,Ume?,Sweden;6.Institute of Arctic Biology,University of Alaska,Fairbanks,USA |