Land use suitability has a great impact on the ecosystem development and soil erosion of the Loess Plateau.Since the implementation of "Grain for Green" policy in 1999,the land use was expected to be more rational.This paper took the Majiagou Catchment of Ansai County in the Loess Plateau as example to appraise the land use suitability change over nearly 20 years.The factors influencing land fertility and moisture just like slope degree,soil erosion intensity and the position of landform were used to apprai...
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