Risk assessment of erosion after the"Grain for Green(Tui Geng Huan Lin)"project

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To clarify the role of the"Grain for Green"Project in preventing soil erosion, I analyze the relationship between the total area of farmlands converted to forests and annual sediment yield in Luochuan County and Ansai Conty in Shaanxi Province. The result implies that the Grain for Green Project has reduced soil erosion. To evaluate the possibility of the reacceleration of cultivation and soil erosion after the end of the Grain for Green Project, I conduct a field survey. The result implies that Luochuan County has less possibility to reaccelerate soil erosion because people can earn money by planting apples, and that Ansai County has more possibility to reaccelerate soil erosion because an alternative industry has not grown up enough.