Spatial-temporal Evolution and Regional Differences of Eco-efficiency in Henan Province
Grasping the laws and characteristics of ecological efficiency is conducive to optimizing the input of resource elements and promoting high-quality regional development.In this paper,the super-efficiency SBM model was used to measure the ecological efficiency values of 18 prefecture-level cities in Henan Province from 2011 to 2021,and then the spatial autocorrelation,Dagum Gini coefficient and Markov chain methods were used to explore the spatial agglomeration characteristics,regional differences and transfer law characteristics of ecological efficiency in Henan Province,respectively.The results showed that:(1)The ecological efficiency of Henan Province showed a fluctuating upward trend as a whole,and the ecological efficiency of most prefecture-level cities showed an increasing trend.(2)On the whole,the ecological efficiency of Henan Province showed obvious spatial differentiation and contiguous cluster distribution characteristics,showing a spatial distribution pattern of"low in the northwest and high in the southeast".(3)The ecological efficiency of Henan Province is positively spatially autocorrelated,and the spatial agglomeration effect is gradually increasing.(4)The overall difference of ecological efficiency in Henan Province is relatively stable,and the inter-regional difference is the main source of the difference and is increasing,and the development of ecological efficiency among prefecture-level cities in northern Henan is the largest and gradually increasing.(5)The highest probability of eco-efficiency grade transfer in Henan Province was among the same types,and there was a characteristic of"the two ends are more stable than the middle,and the overall change trend is upward".The research results can provide a scientific basis for formulating eco-efficiency improvement strategies.
万方数据
维普
