1. Marine Plant Ecology Research Group (ALGAE) Centre of Marine Sciences (CCMAR); University of Algarve; Campus of Gambelas 8005-139 Faro Portugal
2. Institute of Oceanography; Hellenic Centre for Marine Research; PO Box 2214 71003 Heraklion Crete Greece
3. Division of Ecology; Department of Biology; Faculty of Marine and Environmental Sciences; University of Cadiz; 11510 Puerto Real (Cadiz) Spain
4. New South Wales Office of Environment and Heritage; Scientific Services Division; Coastal Catchments Unit; 59-61 Goulburn Street Sydney NSW 2000 Australia
5. Departamento de Ecología; Facultad de Biología; Universidad de Barcelona; Av. Diagonal 645 08028 Barcelona Spain
6. Seaweed and Seagrass Research Unit; Center of Excellence for Biodiversity of Peninsular Thailand; Department of Biology; Faculty of Science; Prince of Songkla University; HatYai Songkhla Thailand
7. Marine Protected Areas Research Group; Department of Geography; University of Victoria; Victoria BC V8W 3P5 Canada
8. Dalhousie University; Department of Biology; 1355 Oxford Street Halifax NS B3H 4R2 Canada
9. Aquatic Resources Division; Washington State Department of Natural Resources; Olympia WA 98504 USA
10. Unidad Académica de Sistemas Arrecifales/Puerto Morelos; Instituto de Ciencias del Mar y Limnología; Universidad Nacional Autónoma de México; Apdo. Postal 1152 Cancún Quintana Roo Mexico