Anders Opdal¹, Johanna Myrseth Aarflot², Dag L. Aksnes¹, Tom Andersen³, Heather Anne Cannaby⁴, Helene Frigstad⁵, Therese Harvey⁶, Dag Olav Hessen³, Trond Kristiansen⁷, Arne Skodvin Kristoffersen¹, Lars Johan Naustvoll⁸ and Håkon Sandven¹, (1)University of Bergen, Bergen, Norway, (2)Institute of Marine Research, Ecosystem Processes Group, Bergen, Norway, (3)University of Oslo, Oslo, Norway, (4)Institute of Marine Research, Bergen, Norway, (5)Norwegian Institute for Water Research, Oslo, Norway, (6)NIVA, Copenhagen, Norway, (7)Farallon Institute, Petaluma, United States, (8)Institute of Marine Research, His, Norway