1. Department of Agricultural and Biological Engineering, Mississippi State University, Starkville, MS 39762, U.S.A.
2. Department of Agricultural and Biological Engineering, University of Florida, Gainesville, FL 32611, U.S.A.
3. Guana Tolomato Matanzas, National Estuarine Research Reserve, Ponte Vedra Beach, FL 32082, U.S.A.
4. Department of Urban and Regional Planning, University of Florida, Gainesville, FL 32611, U.S.A.