Hayley Kwasniewski¹, Rose Leeger², Ashley McKenzie¹, Ivory Carpenter¹, Clare Gallagher¹, Phil Hollyman³, Jilda Caccavo⁴, Jennifer Devine^5,6, Dale Maschette⁷, Phillippe Ziegler⁸, Illia Slypko⁹, César Cárdenas¹⁰, Francisco Santa Cruz Carrasco¹⁰, Sobahle Somhlaba¹¹, Arthur Devries¹², Jaimie Cleeland^13,14, Christopher Jones¹⁵, Jack Fenaughty¹⁶ and Cassandra M. Brooks², (1)University of Colorado Boulder, Environmental Studies, Boulder, United States, (2)University of Colorado at Boulder, Environmental Studies, Boulder, United States, (3)British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom, (4)Université Paris-Saclay, Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, France, (5)Texas State University San Marcos, Geography and Environmental Studies, San Marcos, United States, (6)National Institute of Water and Atmospheric Research, Port Nelson, New Zealand, (7)University of Tasmania, Institute for Marine and Antarctic Studies, Tasmania, Australia, (8)Australian Antarctic Division, Department of Climate Change, Energy, the Environment and Water, Kingston, Australia, (9)Institute of Fisheries, Marine Ecology and Oceanography, Kyiv, Ukraine, (10)Instituto Antártico Chileno, Punta Arenas, Chile, (11)Department of Forestry, Fisheries and the Environment, Cape Town, South Africa, (12)University of Illinois, Champaign, United States, (13)NERC British Antarctic Survey, Cambridge, United Kingdom, (14)University of Tasmania, Institute for Marine and Antarctic Studies, Battery Point, Australia, (15)NOAA Ecosystem Science Division, U.S. Antarctic Marine Living Resources Program, Monterey, United States, (16)Silvifish Resources Ltd, Wellington, New Zealand