Mark McDonald¹, Sarah Bagby², Christopher Baker³, Robyn Barbato⁴, Jiri Barta⁵, James Andrew Bradley⁶, Stacey Jarvis Doherty³, Rebecca E Hewitt⁷, Hannah Holland Moritz⁸, Mincheol Kim⁹, Brian D Lanoil¹⁰, Joy O'Brien¹¹, Ursel Schuette¹², Katherine Shek¹³, Tatiana A Vishnivetskaya¹⁴, Jana Voříšková¹⁵, Jaimie West¹⁶, Miranda Yang⁷, Mobeen Zahid¹⁷ and Jessica Gilman Ernakovich¹⁸, (1)University of Arkansas, Fayetteville, AR, United States, (2)Case Western Reserve University, Department of Biology, Cleveland, United States, (3)U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, United States, (4)USACE-ERDC CRREL, Vicksburg, United States, (5)University of South Bohemia, Ceske Budejovice, Czech Republic, (6)School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom, (7)Amherst College, Amherst, United States, (8)University of New Hampshire, Department of Natural Resources and the Environment, Durham, United States, (9)Korea Polar Research Insitute, Division of Life Sciences, Incheon, South Korea, (10)University of Alberta, Department of Biological Sciences, Edmonton, AB, Canada, (11)Indiana University Bloomington, Bloomington, United States, (12)University of Alaska Fairbanks, Fairbanks, AK, United States, (13)University of New Hampshire Main Campus, Natural Resources and the Environment, Durham, United States, (14)University of Tennessee, Knoxville, United States, (15)Czech Academy of Sciences, Prague, Czech Republic, (16)Arizona State University, School of Life Science, Tempe, United States, (17)University of Colorado at Boulder, Department of Ecology and Evolutionary Biology, Boulder, United States, (18)University of New Hampshire Main Campus, Department of Natural Resources and the Environment, Durham, NH, United States