1 Department of Animal Biology, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
2 Marine and Environmental Sciences Center and Aquatic Research Network, University of Lisbon, Lisbon, Portugal.
3 School of Geography and the Environment, University of Oxford, Oxford, UK.
4 Sound Seas, Bethesda, MD, USA.
5 Worcester College, University of Oxford, Oxford, UK.
6 Department of Environmental Studies, University of Colorado Boulder, Boulder, CO, USA.
7 Institute of Arctic and Alpine Research, University of Colorado Boulder, Boulder, CO, USA.
8 International Union for Conservation of Nature and World Commission on Protected Areas, Cambridge, MA, USA.
9 Middlebury Institute of International Studies at Monterey, Monterey, CA, USA.
10 Department of Human Ecology, School of Environmental and Biological Sciences and Law School, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA.
11 Universidade de Coimbra, Marine and Environmental Sciences Center and Aquatic Research Network, Coimbra, Portugal.
12 British Antarctic Survey, Natural Environment Research Council, Cambridge, UK.
13 Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA.