[1] Helmholtz Zentrum Geesthacht, Max Planck Str 1, D-21502 Geesthacht, Germany
[2] Mt Allison Univ, 144 Main St, Sackville, NB E4L 1A7, Canada
[3] Univ British Columbia, Inst Resources Environm & Sustainabil, Aquat Ecosyst Res Lab, 429-2202 Main Mall, Vancouver, BC V6T 1Z4, Canada
[4] UNEP WCMC, Cambridge CB3 0DL, England
[5] Univ Plymouth, Sch Marine Sci & Engn, Ctr Marine & Coastal Policy Res, Plymouth PL4 8AA, Devon, England
[6] Marine Lab, Marine Scotland Sci, POB 101,375 Victoria Rd, Aberdeen AB11 9DB, Scotland
[7] Univ Highlands & Isl, NAFC Marine Ctr, Scalloway ZE1 0UN, Shetland, Scotland
[8] Plymouth Marine Lab, Plymouth PL1 3DH, Devon, England