Agricultural structure patterns for water and soil conservation in mountain region_A case study from the upper reaches of Ba River in Luotian County in Dabie Mountain Region

Based on the studies of the natural environmental structures in the upper reaches of the Ba River in Luotian County,the different harnessing zones were divided and the harnessing patterns for optimization of the structures of agriculture and forestry were set up,and their benefits were demonstrated with emphasis on soil and water conservation.