1. Leigh Marine Laboratory, University of Auckland, Post Office Box 349, Warkworth, New Zealand.
2. Department of Biological Sciences, Dalhousie University, Halifax, NS, Canada, B3H 4J1.
3. Institut de Recherche pour le Dèveloppement, Boite postale A5-98848, Noumea cedex, New Caledonia.
4. Institute for Marine Remote Sensing, University of South Florida, St. Petersburg, FL 33701, USA.
5. Australian Institute of Marine Sciences, Townsville 4810, Australia.
6. Biodiversity and Macroecology Group, Department of Animal and Plant Sciences, University of Sheffield, Sheffield, S10 2TN, UK.