1. Department of Marine and Earth Sciences Florida Gulf Coast University Fort Myers FL 33965 U.S.A.
2. Department of Coastal Systems NIOZ Royal Netherlands Institute for Sea Research P.O. Box 59, 1790 Alberta, Den Burg Texel The Netherlands
3. University of Brest, Ifremer CNRS, UMR 6308, AMURE, Unité d'Economie Maritime, IUEM Plouzané 29280 France
4. DHI A/S., Agern Allé 5, DK‐2970 Hørsholm Denmark
5. Marine Laboratory Sanibel‐Captiva Conservation Foundation 900A Tarpon Bay Road Sanibel FL 33957 U.S.A.