# 基于层次分析法的荒漠退化程度评价Evaluation of the Degree of Desertification Degradation Based on Analytic Hierarchy Process

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In this paper, we study the degree of desertification degradation in three ways. This paper is based on Inner Mongolia Chinese mathematical data. The desert ecological degradation is analyzed. Firstly, we determine the assessment of degradation degree index system and hierarchical structure of the index system, which is divided into animal communities and plant communities. Secondly, we determine the index system by using the principal component analysis method. After establishing the evaluation index system, according to ecological degradation index formula, we standardize the initial data of the main indexes for the index system and calculate the weight of evaluation index on the final ecological degradation index by using the analytic hierarchy process. Finally, all degraded degrees in the form of interference are obtained through the core formula. In the end, rotational grazing compared to over grazing and reclamation of ecological degradation is not a particularly big impact. If in this form of grazing, it will improve the ecological environment of the desert.

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