1 Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, D-27570 Bremerhaven, Germany.
2 Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden.
3 Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Corvallis, OR 97331, USA.
4 Department of Sociology, Philosophy, and Anthropology, University of Exeter, Exeter EX4 4PY, UK.
5 Applied Ecology Research Group, School of Life Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK.
6 Faculty of Fisheries, Cukurova University, 01330 Adana, Turkey.
7 Berlin, Germany.
8 Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway.
9 School for Resource and Environmental Studies, Dalhousie University, Halifax, NS B3H 4R2, Canada.