[1] Univ Copenhagen, Marine Biol Sect, Strandpromenaden 5, DK-3000 Helsingor, Denmark
[2] Greenland Inst Nat Resources, POB 570,Kivioq 2, Nuuk 3900, Greenland
[3] Natl Aquarium Denmark, Den Bla Planet, Jacob Fortlingsvej 1, DK-2770 Kastrup, Denmark
[4] UiT Arctic Univ Norway, Dept Arctic & Marine Biol, N-9037 Tromso, Norway
[5] Aarhus Univ, Aarhus AMS Ctr, Dept Phys & Astron, Ny Munkegade 120, DK-8000 Aarhus, Denmark
[6] Indiana Univ South Bend, Dept Biol Sci, 1700 Mishawaka Ave, South Bend, IN USA
[7] Univ Oxford, Oxford Radiocarbon Accelerator Unit, Dyson Perrins Bldg,South Parks Rd, Oxford OX1 3QY, England
[8] NOAA, Natl Marine Fisheries Serv, Northeast Fisheries Sci Ctr, James J Howard Marine Sci Lab, 74 Magruder Rd, Highlands, NJ 07732 USA
[9] Virginia Inst Marine Sci, POB 1346, Gloucester Point, VA 23062 USA
[10] Greenland Inst Nat Resources, Greenland Climate Res Ctr, POB 570,Kivioq 2, Nuuk 3900, Greenland