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

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