*L.T. Tran, M.A. Ridgley, and R. Sutherland, University of Hawaii, Geography Department, 2424 Maile Way, Honolulu, HI 96822, USA; M.A. Nearing, National Soil Erosion Laboratory, USDA-ARS, West Lafayette, IN 47907-1196, USA; L. Duckstein, Ecole Nationale du Genie Rural, des Eaux et des Forets, 19 avenue du Maine, 75732 Paris Cedex 15, France. *Corresponding author: [email protected]. Current address:...