Sara Rundqvist,^* Henrik Hedenås,^** Anneli Sandström,^*** Urban Emanuelsson,^**** Håkan Eriksson,^***** Christer Jonasson,^****** Terry V. Callaghan<sup>*******


*</sup>Sara Rundqvist has a master's degree in biology from the Department of Ecology and Environmental Science (EMG), Umeå University. Sara is currently working as a project assistant at Umeå University in EMG. Address: Umeâ Univerity, EMG, 901 87 Umeâ, Sweden. e-mail: sara.rundqvist@gmail.com
^**Henrik Hedenås () has a Ph.D. in ecology from the Department of Ecology and Environmental Science (EMG), Umeå University. He has worked at different positions at EMG, and is currently a researcher at Abisko Scientific Research Station and temporary forest habitat advisor at Species Information Center, Swedish University of Agricultural Science. Address: Abisko Scientific Research Station, 981 07 Abisko, Sweden e-mail: henrik.hedenas@slu.se; henrik.hedenas@gmail.com
^***Anneli Sandström has a bachelor degree in biology from the Department of Ecology and Environmental Science (EMG) at Umeå University. She is continuing for a master degree in ecology and conservation at Biology Education Center (IBG), Uppsala University. Address: Kaplansgatan 13, 802 30 Gävle, Sweden. e-mail: ansa1992@student.uu.se
^****Urban Emanuelsson has a Ph.D. from University of Lund and is appointed professor by the Swedish Government in January 2007. He has worked as Director of the Swedish Biodiversity Center 1995–2008 at The Swedish University of Agriculture and Uppsala University, where he today is senior adviser. He is also guest professor at Högskolan Kristianstad, Member of the Board, for Ajtte (Swedish same museum), Member of the Board, WWF Sweden, Member of the Royal Academy of Forestry and Agriculture. Address: Swedish Biodiversity Center, Box 7007, 750 07 Uppsala Sweden. e-mail: urban.emanuelsson@slu.se
^*****Håkan Eriksson has a degree in civil engineering from KTH Royal Institute of Technology in Stockholm. In addition studies in physical geography at Umeå University and now teaches geographic information systems at the Department of Ecology and Environmental Science (EMG) at Umeå University. Address: Umeå Univerity, EMG, 901 87 Umeå, Sweden. e-mail: hakan.eriksson@emg.umu.se
^******Christer Jonasson has a Ph.D. in physical geography from Uppsala University and is associate professor at Stockholm University. He is station manager for the Abisko Scientific Research Station. Address: Abisko Scientific Research Station, 981 07 Abisko, Sweden e-mail: christer.jonasson@ans.polar.se
^*******Terry V. Callaghan has a Ph.D. from the University of Birmingham, UK, honorary Ph.D.s from the Universities of Lund, Sweden, and Oulu, Finland, and a D.Sc. from the University of Manchester, UK. He is a Royal Swedish Academy of Sciences' distinguished research professor and member and also professor of arctic ecology at the University of Sheffield, UK.Address: Royal Swedish Academy of Sciences, Box 50005, 104 05 Stockholm, Sweden. Address: Department of Animal and Plant Sciences, University of Sheffield, Western Bank, Sheffield S10 2TN, UK. e-mail: terry_callaghan@btinternet.com