1. Institute for Marine and Antarctic Studies, University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
2. Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
3. Marine Science Institute, University of California, Santa Barbara, CA, USA
4. University of Auckland, Leigh Marine Laboratory, Auckland, New Zealand
5. School of Earth and Environmental Sciences, The University of Adelaide, Adelaide, South Australia, Australia
6. School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada
7. Norwegian Institute for Water Research, Oslo and University of Oslo, Oslo, Norway
8. Subtidal Ecology Laboratory and Marine Conservation Center, Estación Costera de Investigaciones Marinas, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago, Chile
9. Departamento de Biología Animal, Universidad de La Laguna, Canary Islands, Spain
10. Marine Research Institute, Department of Biological Sciences, University of Cape Town, Cape Town, South Africa
11. Universitat de Barcelona, Barcelona, Spain
12. Centre d'Estudis Avançats de Blanes, CEAB-CSIC, Blanes, Spain
13. National Geographic Society, Washington, DC, USA
14. Centre Mediterrani d'Investigacions Marines i Ambientals, ICM-CSIC, Barcelona, Spain
15. Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
16. Tokyo University of Marine Science and Technology, Tokyo, Japan
17. Département de biologie and Québec-Océan, Université Laval, Québec, Quebec, Canada G1V 0A6