The aim of this research is to explore the impact of land use changes on the erodibility of surface soils.The changes of physical and chemical properties of surface soil after land use change were examined with four typical land use patterns as case study.Such land use patterns include:natural forest,and three land use patterns converted from natural forest,namely,Chinese fir forest,orchard,and terracing farmland in Dawei Mountain of eastern Hunan Province and Xiaoxi National Nature Reserve of western Hunan Province.Moreover,the Torri.D model was employed to calculate the value of soil erodibi...