Fig. 3. Redundancy analysis (RDA) of soil bacterial (a) and fungal (b) community composition with soil physicochemical parameter. L, low slope gradient, M medium slope gradient, H high slope gradient, T top slope position, M middle slope position, B bottom slope position.BD Bulk Density (g cm-3), CC Clay Content (%), WSA Water Stable Aggregate (%), CEC Cation Exchange Capacity (cmol (+) kg-1), OM Organic Matter(g/kg),AN Available Nitrogen(mg/kg), AP Available Phosphorus(mg/kg), AK Available Potassium(mg/kg), DOCDissolved Organic Carbon(mg/L), TDN Total Dissolved Nitrogen(mg/L), MBC Microbial Biomass Carbon(mg/kg), MBNMicrobial Biomass Nitrogen(mg/kg).