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吉林省是一个山区,半山区,丘陵区面积较大的省份.水土流失较为严重,虽经多年治理.但新的水土流失仍不断产生。到1990年,全省水土流失面积达36900平方公里,占全省总土地面积的20%全省92座大、中型水库,平均每年淤积泥沙量高达1000多万立方米,相当于1座中型水库的库容东辽河流域是省内水土流失较为突出的地区,河道大量淤积,河床抬高,行洪能力大大降低,1986年,发生了11处堤防决口。近年来,吉林省按着国务院发布的《水土保持
Jilin Province is a mountainous, semi-mountainous and hilly area with a relatively large area of soil and water loss, which despite many years of governance has continued to produce new soil and water loss. By 1990, the province’s soil erosion area of 36900 square kilometers, accounting for 20% of the province’s total land area of 92 large and medium-sized reservoirs in the province, the average annual silt sediment volume as high as more than 10 million cubic meters, the equivalent of a medium-sized The reservoir volume of Dongliao River basin is the province where soil erosion is more prominent, a large number of river siltation, river bed elevation, flood capacity greatly reduced in 1986, 11 embankment breach occurred. In recent years, Jilin Province, according to the State Council released the "Soil and Water Conservation