sustainability Article Land Use and Land Cover Changes and Its Impact on Soil Erosion in Stung Sangkae Catchment of Cambodia Nareth Nut 1,* , Machito Mihara 2, Jaehak Jeong 3, Bunthan Ngo 1, Gilbert Sigua 4 , P.V. Vara Prasad 5 and Manny R. Reyes 5 1 Faculty of Agricultural Engineering, Royal University of Agriculture, Phnom Penh 12400, Cambodia;
[email protected] 2 Faculty of Regional Environment Science, Tokyo University of Agriculture, Tokyo 156-8502, Japan;
[email protected] 3 Blackland Research & Extension Center, 720 E. Blackland Rd., Temple, TX 76520, USA;
[email protected] 4 Agriculture Research Service, Coastal Plains Research Center, United States Department of Agriculture, 2611 West Lucas Street, Florence, SC 29501, USA;
[email protected] 5 Sustainable Intensification Innovation Lab (SIIL), Kansas State University, Manhattan, KS 66506, USA;
[email protected] (P.V.V.P.);
[email protected] (M.R.R.) * Correspondence:
[email protected]; Tel.: +855-89-222-402 or +855-98-404-130 Abstract: Agricultural expansion and urban development without proper soil erosion control mea- sures have become major environmental problems in Cambodia. Due to a high population growth rate and increased economic activities, land use and land cover (LULC) changes will cause envi- ronmental disturbances, particularly soil erosion. This research aimed to estimate total amounts Citation: Nut, N.; Mihara, M.; of soil loss using the Revised Universal Soil Loss Equation (RUSLE) model within a Geographic Jeong, J.; Ngo, B.; Sigua, G.; Information System (GIS) environment. LULC maps of Japan International Cooperation Agency Prasad, P.V.; Reyes, M.R.