Spatial heterogeneity and its dominant factors of water conservancy green development in China
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Abstract:
A calculation model is established to evaluate the level of water conservancy green development in 31 provinces ( autonomous regions or cities) of China in 201 7. S patial autocorrelation and spatial hotspot detection are introduced to analyze the spatial heterogeneity of China's water conservancy green development level. The dominant factors are identified from the criterion and the index level. T he results showed that: The water conser vancy green development level is higher in the east than in the west, and the provinces with ex cellent grades are mainly distributed in north and east China; The level of water conservancy green development in China showed strong hetero geneity in space, and the hot spots of water conservancy green development levels are distributed in Beijing and Tianjin, while the cold spots are located in Xinjiang , Tibet, Qing hai, Gansu, and Heilong jiang provinces or antonomous regions; The spatial differ ence of water conservancy green development level is greatly influenced by soil erosion control rate, water conservancy inform atizatio n level, ecological water use ratio, comprehensive economic efficiency of production water use, and the proportion of managers above co llege level have a greater impact.