1. Soil Cryology Lab, Institute of Physicochemical and Biological Problems in Soil Science, Pushchino, Russian Federation
2. North-East Science Station, Pacific Geographical Institute, Chersky, Russian Federation
3. Biology Department, Lomonosov Moscow State University, Moscow, Russian Federation
4. Geophysical Institute, Permafrost Laboratory, University of Alaska Fairbanks, Fairbanks, AK, USA
5. Department of Earth Science, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
6. Geography Department, Lomonosov Moscow State University, Moscow, Russian Federation
7. North-East Interdisciplinary Scientific Research Institute, Anadyr, Russian Federation
8. Centre for Forest Ecology and Productivity, Moscow, Russian Federation