Camille De La Vega¹, Rachel Jeffreys², Joanna Kershaw³, David J Yurkowski⁴, Anne Kirstine Frie⁵, Steve Ferguson⁴, Garry B Stenson⁶, Martin Biuw⁷, Sophie Smout⁸ and Claire Mahaffey¹, (1)University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (2)University of Liverpool, Earth, Ocean and Ecological Sciences, United Kingdom, (3)University of St Andrews, St Andrews, Fife, KY16 8LB, UK, United Kingdom, (4)Freshwater Institute, Fisheries and Oceans Canada, Winnipeg, MB R3T 2N6, Canada, MB, Canada, (5)Institute of marine research, Nordnes NO-5817 Bergen, Norway, Norway, (6)Northwest Atlantic Fisheries Centre, Fisheries and Oceans Canada, St. John's, NF, Canada, (7)Norwegian Polar Institute, Polar Environmental Centre, Tromsø, Norway, Norway, (8)University of St Andrews, United Kingdom