Institution: | 1. Skidaway Institute of Oceanography, P.O. Box 13687, Savannah, GA 31416, U.S.A.;2. Oceanographic Section, Department of Fisheries, Parknam, Samutprakarn, Bangkok 27, Thailand;3. Department of Marine Science, Chulalongkorn University, Phya Thai Road, Bangkok 5, Thailand |