The purpose of the study was to construct a system dynamics model of soil and water loss on slope surface on the basis of system dynamics principles through the analyses of soil and water loss processes and its influencing factors.

The slope particles erosion under slope flow not only causes the serious soil erosion,but also the heavily gravity disaster,such as landslides and debris flows.

Current status and comprehensive countermeasures of soil erosion for Karst rocky desertification areas in the Southwestern China;

The Study and Countermeas urs to the Effect of the Soil Erosion on the Ecological Environment around the Bailian River;

The elementary study that tourist industry's development effect on soil erosion in Northwesten region of Yunnan Province;

Forecast of soil and water loss in construction period of water power station;

The main control factors of desertification , soil and water loss in north of Shaanxi Province;

Application of Cs-137 to monitoring background value of soil and water loss in Zhejiang;

The influence of water and soil loss in ecological environment and prevention;

Forcast of water and soil loss by strip mining and control measures in Muli region Tianjun county Qinghai province;

Analysis of affection of water and soil loss on river s flood conveying ability in Weihe river basin in Shaanxi Province;