Plant Ecophysiology and Climate Change Group, Department of Biological and Environmental Sciences, P.O.Box 65 P.O.Box 65, (Viikinkaari 1) 00014 University of Helsinki, Finland, Helsinki, 00014, Finland
Department of Land and Water Resources Engineering, Royal Institute of Technology, KTH, Valhallavägen 79, 100 44 Stockholm, Sweden, Stockholm, 10044, Sweden
Finnish Forest Research Institute, Joensuu Research Unit, P.O.Box 68,(Yliopistokatu 6) 80101 Joensuu, Finland, Joensuu, 80101, Finland
Finnish Forest Research Institute, Joensuu Research Unit, P.O.Box 68,(Yliopistokatu 6) 80101 Joensuu, Finland, Joensuu, 80101, Finland