1. Fisheries Centre; University of British Columbia; 2202 Main Mall Vancouver BC Canada V6T 1Z4
2. Institut de Recherche pour le Développement; UMR EME 212; Centre de Recherche Halieutique Méditerranéenne et Tropicale; Avenue Jean Monnet BP 171 34203 Sète Cedex France
3. Ecopath International Initiative Research Association; Barcelona Spain
4. Atmospheric and Oceanic Sciences Program; Princeton University; Sayre Hall Forrestal Campus PO Box CN710 Princeton NJ 08544 USA
5. NOAA Geophysical Fluid Dynamics Laboratory; Princeton University; Forrestal Campus 201 Forrestal Road Princeton NJ 08540-6649 USA
6. Institute for Marine and Antarctic Studies; University Tasmania; Taroona Tas. 7001 Australia