1. Royal Swedish Academy of Sciences, PO Box 500 05, Stockholm 104 05, Sweden
2. Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
3. Polar Research Secretariat, Lilla Frescativägen 4A, Stockholm 114 18, Sweden
4. Swedish University of Agricultural Sciences, Uppsala 750 07, Sweden
5. Department of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå 901 83, Sweden
6. Department of Physical Geography and Ecosystem Science, Lund University, Lund 22362, Sweden
7. Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg 40530, Sweden
8. Stockholm Resilience Centre, Stockholm University, Kräftriket 2B, Stockholm
9. Natural Resources Canada, Canadian Forest Service, Canada
10. Center for Permafrost (CENPERM), University of Copenhagen, Øster Voldgade 10, 1350 K, Denmark
11. Department of Ecology and Environmental Science, Umeå University, Umeå 901 87, Sweden
12. Aberystwyth University, Aberystwyth, UK
13. Norwegian Institute for Nature Research, FRAM – High North Research Centre for Climate and the Environment, Tromsø 9296, Norway
14. Greenland Climate Research Centre, Nuuk, Greenland
15. Department of Geography, University of Sheffield, Sheffield S10 2TN, UK
16. School of Environment, Natural Resources and Geography, Bangor University, Bangor LL57 2UW, Wales, UK
17. Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, USA