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Research on Spatio-temporal Evolution and Influencing Factors of Urban Water Environment Governance Efficiency
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Hong-chuan YUAN1, Ping-ju CHEN1, Liang-hai JIN1, 2, Yue ZHANG1
Water Resources and Power | 2023, 41(1) : 50 - 54
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Water Resources and Power | 2023, 41(1): 50-54
HYDROLOGY, WATER RESOURCES AND ENVIRONMENT
Research on Spatio-temporal Evolution and Influencing Factors of Urban Water Environment Governance Efficiency
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Hong-chuan YUAN1, Ping-ju CHEN1, Liang-hai JIN1, 2, Yue ZHANG1
Affiliations
  • 1.College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang 443002, China
  • 2.Hubei Key Laboratory of Construction and Management in Hydropower Engineering, Yichang 443002, China
Published: 2023-01-25 doi: 10.20040/j.cnki.1000-7709.2023.20220087
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Taking 16 cities and prefectures in Hubei Province as the research object, from the perspective of unexpected output, DEA-SBM model was used to calculate the water environment governance efficiency from 2014 to 2018. Combined with GIS spatial analysis method, the temporal and spatial variation characteristics of urban water environment governance efficiency were explored, and the influencing factors of urban water environment governance efficiency were analyzed by multiple linear regression model. The results show that the efficiency of urban water environmental governance in Hubei Province has rising trend, but there is a difference in time-order changes in water environmental governance between different cities; The efficiency of urban water environment treatment in Hubei Province shows a spatial distribution trend of low in the central region and high in the eastern and western regions; The level of infrastructure and environmental regulation have a significant positive impact on urban water environmental governance, and urbanization level has a significant negative impact on water environmental governance efficiency.

water environment governance  /  temporal and spatial evolution  /  DEA-SBM model  /  multiple linear regression
Hong-chuan YUAN, Ping-ju CHEN, Liang-hai JIN, Yue ZHANG. Research on Spatio-temporal Evolution and Influencing Factors of Urban Water Environment Governance Efficiency[J]. Water Resources and Power, 2023 , 41 (1) : 50 -54 . DOI: 10.20040/j.cnki.1000-7709.2023.20220087
Year 2023 volume 41 Issue 1
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220087
  • Receive Date:2022-01-15
  • Online Date:2026-01-28
  • Published:2023-01-25
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  • Received:2022-01-15
  • Revised:2022-04-13
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Affiliations
    1.College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang 443002, China
    2.Hubei Key Laboratory of Construction and Management in Hydropower Engineering, Yichang 443002, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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