Sander Veraverbeke¹, Yang Chen², Clément Delcourt³, Brian Izbicki⁴, Elena A. Kukavskaya⁵, Michelle C Mack⁶, Trofim C Maximov⁷, Roman E Petrov⁸, James Tremper Randerson², Brendan M Rogers⁹, Rebecca Scholten³, Tatiana Shestakova¹⁰, Guido van der Werf¹¹, Dave van Wees¹² and Xanthe Walker¹³, (1)Vrije Universiteit, Amsterdam, Netherlands, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)Vrije Universiteit Amsterdam, Amsterdam, Netherlands, (4)Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States, (5)V.N. Sukachev Institute of Forest of the Siberian Branch of the Russian Academy of Sciences - separate subdivision of the FRC KSC SB RAS, Krasnoyarsk, Russia, (6)University of Florida, Gainesville, FL, United States, (7)Institute for Biological Problems of the Cryolithozone, Siberian Branch, Russian Academy of Science, Yakutsk, Russia, (8)Institute for Biological Problems of Cryolithozone, Siberian Branch of Russian Academy of Sciences, Yakutsk, Russia, (9)University of California Irvine, Irvine, CA, United States, (10)Woods Hole Research Center, Falmouth, MA, United States, (11)VU University Amsterdam, Faculty of Science, Amsterdam, Netherlands, (12)VU University Amsterdam, Amsterdam, Netherlands, (13)Northern Arizona University, Flagstaff, United States