Zanna Chase¹, Harris Anderson², Helen Bostock³, Axel Durand¹, Taryn Noble² and Joel Pedro⁴, (1)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (2)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, Australia, (3)University of Queensland, School of Earth and Environmental Sciences, Brisbane, Australia, (4)Australian Antarctic Division, Kingston, Australia

Maria H Toyos^1,2, Gisela Winckler³, Carina Lange^4,5, Helge W Arz⁶, Lester Lembke-Jene⁷ and Frank Lamy⁷, (1)Programa de Postgrado en Oceanografía, Departamento de Oceanografía, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepcion, Chile, (2)Centro de Investigación Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Universidad Austral de Chile, Valdivia, Chile, (3)Columbia University, Department of Earth and Environmental Sciences, New York, NY, United States, (4)Scripps Institution of Oceanography, La Jolla, CA, United States, (5)Universidad de Concepción, Departamento de Oceanografía, Investigador Asociado COPAS Sur-Austral & Centro FONDAP-IDEAL, Concepción, Chile, (6)Leibniz Institute for Baltic Sea Research, Rostock, Germany, (7)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany

Ryan Glaubke, Rutgers University, New Brunswick, NJ, United States, Elisabeth L Sikes, Rutgers University, Piscataway, NJ, United States, Natalie Umling, American Museum of Natural History, New York, NY, United States, Thomas Williams, University of Florida, Ft Walton Beach, United States and Ellen E Martin, University of Florida, Geological Sciences, Ft Walton Beach, FL, United States

Jessica Crumpton-Banks^1,2, James William Buchanan Rae¹, Brodie H Sandilands¹, Rosanna Greenop¹, Andreas Mackensen³ and Andrea Burke⁴, (1)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom, (2)National University of Ireland, School of Geography and Archaeology, Galway, Ireland, (3)Alfred Wegner Institute for Polar and Marine Research, Bremerhaven, Germany, Bremerhaven, Germany, (4)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, KY16, United Kingdom

Sandra Passchier, Montclair State University, Montclair, NJ, United States, Melissa Hansen, Montclair State University, South Plainfield, NJ, United States and Jessica Rosenberg, Montclair State University, Montclair, United States

Jesse R Farmer^1,2, Daniel Mikhail Sigman¹, Ona M Underwood¹, Julie Granger³, François Fripiat^2,4, Thomas M Cronin⁵, Alfredo Martinez-Garcia² and Gerald Hermann Haug², (1)Princeton University, Department of Geosciences, Princeton, NJ, United States, (2)Max Planck Institute for Chemistry, Mainz, Germany, (3)University of Connecticut, Department of Marine Sciences, Groton, CT, United States, (4)Université Libre de Bruxelles, Brussels, Belgium, (5)U.S. Geological Survey, Florence Bascom Geoscience Center, Reston, VA, United States

Alex Quizon, Williams College, Maritime Studies, Williamstown, MA, United States, Mea S Cook, Williams College, Geosciences, Williamstown, MA, United States and Ana Christina Ravelo, University of California-Santa Cruz, Santa Cruz, CA, United States

Sarah E Crump¹, Bianca Fréchette², Matthew Power³, Sam Cutler⁴, Gregory de Wet⁵, Martha K Raynolds⁶, Jonathan Raberg¹, Jason P Briner⁷, Elizabeth K Thomas⁸, Julio Sepulveda¹, Beth Shapiro⁹, Michael Bunce^10,11 and Gifford H Miller¹², (1)University of Colorado at Boulder, Department of Geological Sciences and the Institute of Arctic and Alpine Research, Boulder, CO, United States, (2)GEOTOP, Montréal, Canada, (3)Curtin University, Trace and Environmental DNA Laboratory, Perth, Australia, (4)University of California Santa Cruz, Department of Ecology and Evolutionary Biology, Santa Cruz, CA, United States, (5)Smith College, Geosciences, Northampton, MA, United States, (6)University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States, (7)University at Buffalo, Department of Geology, Buffalo, NY, United States, (8)University at Buffalo, Department of Geosciences, Buffalo, NY, United States, (9)University of California Santa Cruz, Ecology and Evolutionary Biology, Santa Cruz, CA, United States, (10)Curtin University, Department of Environment and Agriculture, Perth, WA, Australia, (11)New Zealand Environment Protection Authority, Wellington, New Zealand, (12)University of Colorado, INSTAAR and Geological Sciences, Boulder, United States

Greta Shum, University of Washington, Atmospheric Sciences, Seattle, WA, United States, Abigail L. S. Swann, University of Washington, Atmospheric Sciences and Biology, Seattle, WA, United States and Marysa M Lague, University of California Berkeley, Earth & Planetary Science, Berkeley, CA, United States