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一、水土流失现状海东地区总面积1.32万km2,占青海省的1.83%;总人口158.6万人,占青海省的28.5%。按习惯全区分川水、浅山、脑山三种生态区,56%的人口居住在高寒、干旱的浅脑山地区,78%的耕地为山旱地。总耕地面积323万亩,约占青海省耕地面积的39.8%,其中水浇地68.77万亩,浅山地177.91万亩,脑山地76.33万亩。
I. Current Situation of Soil and Water Loss Haidong has a total area of 13,200 km 2, accounting for 1.83% of Qinghai’s total area. The total population is 1,566,000, accounting for 28.5% of Qinghai’s total. According to the habit of the whole area of Kawanshui, shallow mountains, brain Hill three ecological zones, 56% of the population living in the alpine, arid shallow mountain areas, 78% of the arable land for mountain dry land. The total cultivated area is 3.23 million mu, accounting for 39.8% of the cultivated land in Qinghai Province, of which 687.7 mu is irrigated, 1.7791 million mu is shallow and 763,300 mu is braided.