侵蚀沟是东北黑土区水土流失问题的集中表现。东北黑土区现有侵蚀沟29.17万条,主要分布在耕地、林地和草地上,其中发展型侵蚀沟占侵蚀沟总数的89.98%。侵蚀沟不仅吞噬耕地,降低土地生产力,影响机耕作业,还诱发山洪地质灾害,损毁基础设施,对群众的生命财产安全构成巨大威胁。2004年以来,东北黑土区陆续启动实施 Erosion ditch is a concentrated manifestation of soil erosion in the black soil area of ​​Northeast China. There are 291,700 eroded ditches in the black soil area of ​​Northeast China, which are mainly distributed on arable land, woodland and grassland, of which 89.98% of the total number of eroded ditch is developmental erosion ditch. Eroded ditches not only swallow cultivated land, reduce land productivity, affect tillage operations, but also induce flash floods and geological disasters, destroying infrastructures and posing a huge threat to people’s lives and property. Since 2004, the black soil areas in Northeast China have been put into operation one after another