Temporal and Spatial Changes of NDVI and Soil Erosion in Ningxia Grassland Before and After Grazing Ban

Grassland is an important part of the ecosystem, which plays a good role in soil and water conservation. The degradation of grassland is easy to cause soil erosion in related areas. The reason is that overgrazing makes the grassland degrade rapidly. Ningxia has introduced a policy to ban grazing on natural grasslands, which can effectively safeguard grassland ecology, improve the condition of grasslands in Ningxia, and reduce the risk of grassland loss. This paper mainly analyzed the vegetation dynamics and soil erosion of grassland in Ningxia, and explored the changes before and after the grazing ban, to accumulate experience for ecological management.

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