1. Climate Impacts Research Centre Department of Ecology and Environmental Science Umeå University Abisko Sweden
2. Department of Biology Terrestrial Ecology Section University of Copenhagen Copenhagen Denmark
3. Experimental Plant Ecology Institute for Botany and Landscape Ecology University of Greifswald Greifswald Germany
4. Department of Soil and Environment Swedish Agricultural University Uppsala Sweden
5. Center for Permafrost (CENPERM) University of Copenhagen Copenhagen Denmark
6. Department of Forest Ecology and Management Swedish University of Agricultural Sciences Umeå Sweden
7. Asian School of the Environment Nanyang Technological University Singapore Singapore