| The Pearl River-Xijiang Economic Belt is an important economic cooperation zone across provinces and different development gradients directly adjacent to the east and west of China,and the differences in its economic development base,resource and environmental endowment and functional area positioning make the driving factors of green development vary among the coastal cities.To comprehensively grasp the current situation of green development in the Pearl River-Xijiang Economic Zone,explore the spatial and temporal evolutionary characteristics and main driving factors of the differences in green development levels among the 11 cities in the zone,and promote the achievement of the "double carbon" target of the zone,it is necessary to establish an evaluation index system that fits the current situation of green development in the Pearl River-Xijiang Economic Zone.In order to promote the realization of the "double carbon" goal of the economic zone,it is necessary to establish an evaluation index system that fits the current situation of green development in the Pearl River-Xijiang Economic Zone and conduct a comprehensive analysis of the spatial and temporal variation characteristics of the green development level of the economic zone.This study combines the actual situation of green development in the economic zone and constructs a comprehensive evaluation system of green development level in the economic zone.The results show that: the green development level in the economic zone from 2006 to 2020 are all significantly improved,the green development status is constantly improving,the green development pressure is effectively controlled,and the response level becomes the main constituent element affecting the development.The green development of the economic belt has obvious spatial non-equilibrium characteristics,and the differences within the four clusters are the main reason for the total differences of green development in the economic belt.The leading elements of green development in different cities show stage-specific differences,with Guangzhou and Foshan’s green development relying mainly on scientific and technological innovation and structural upgrading,while other cities are mainly led by the government and structural transformation.The upstream and downstream divergence of green development level in the Pearl River-West River Economic Zone is obvious,and the spatial pattern of "high in the east and low in the west" reflects that the central cities do not have obvious driving effect on the low value areas and the spillover effect is not strong.The green development pressure is "high in the two wings and low in the middle";the spatial clustering phenomenon of green development level is obvious,and the spatial heterogeneity is more obvious.The main influencing factors of the green development level of the Pearl River-Xijiang Economic Zone are analyzed by geographic detectors,and it is found that the green development of the economic zone is the result of the synergy of various factors,and the influencing factors of the evolution of the green development level have significant complex and comprehensive characteristics:environmental carrying capacity is the precondition for green development;policy support forms a kind of top-down "command" development based on the assessment of constraint indicators.The policy support force forms a top-down "command" development characteristic based on the constraint index assessment;the economic driving force is the foundation of green development;the science and technology leading force is the fundamental driving force of green development.Therefore,the comprehensive implementation of green and low-carbon technology innovation action,transformation of development mode and the role of the central city as a driving force are important entry points to improve the level of green development in the Pearl River-Xijiang Economic Zone.Combining with its own location advantages and development foundation,while focusing on improving the construction of green infrastructure and public services,the Guangxi section focuses on accelerating the pace of transformation of traditional industries,improving the quality and efficiency of economic development,and promoting sustainable value-added ecological products;the Guangdong section concentrates on the role of high-end innovation on energy conservation,carbon reduction and emission reduction,and comprehensively cultivates green and energy-saving consumption,production and living patterns.At the same time,optimize the energy use structure of the basin economic zone,improve the ecological compensation mechanism,promote cross-administrative cities to complement each other’s green resources and share green achievements,and gradually narrow the inter-regional green development gap. |
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