Abstract
ABSTRACT A comprehensive evaluation system of 25 indicators in five aspects of hydrology, water quality, morphological structure, biology and water security of typical rivers in Shanxi Province was constructed, and the evaluation criteria and methods of indicators were given. According to the characteristics of Ciyao River, 18 indicators were selected, and the weight of each indicator was determined by using the analytic hierarchy process. The ecological health status of Ciyao River was obtained through comprehensive weighted calculation. The change of land use types in the Ciyao River basin had a significant relationship with the ecological health of the Ciyao River. When the land use types were mainly farmland, forest land and grassland, water ecological health status was improved, but when land was mainly used for construction, its ecological status of the Ciyao River was weakened.
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