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The occurrence and development of erosion gully will increase the area of soil erosion and continuously erode the cultivated land. The treatment of erosion gully is swing in the black soil region of Northeast China. However, they are all directed at the typical black soil area, while the soil erosion caused by the erosion gully in the semi-arid area of Northeast is less concerned. The study uses a combination of RS and census data. Exploring the number of erosion gully and the status of development, The survey results show that :the number of erosion gully is large, and most of them are developmental erosion gully. If the governance measures are not taken in time, the erosion ditch may continue to develop.

Investigation and Research on the Current Situation of Erosion Gully in Northeast Semi-arid Region