The study looked at how soil nutrients are distributed on different slopes in the Yunwu Mountains. They found that southern slopes and bare lands had similar levels of soil organic C and total soil N near the surface, while northern slopes had different levels. Total P varied a lot across slopes. Soil properties like organic C and total N decreased with depth, and pH values varied. Available K levels varied by slope type, while total P levels changed slightly with depth. Overall, soil nutrient conditions can be improved by natural re-vegetation, especially on northern slopes.