[1] Univ Oslo, Ctr Ecol & Evolutionary Synth CEES, Dept Biosci, POB 1066 Blindern, Oslo 0316, Norway
[2] Woods Hole Oceanog Inst, Dept Biol, Woods Hole, MA 02543 USA
[3] Norwegian Meteorol Inst, Bergen, Norway
[4] Norwegian Inst Water Res NIVA, Oslo, Norway
[5] Univ Agder, Ctr Coastal Res CCR, Dept Nat Sci, Kristiansand, Norway
[6] COISPA Tecnol & Ric, Bari, Italy