Abstract
With the acceleration of urbanization, regional ecological security issues have become increasingly prominent. There is a complex relationship between urbanization and urban ecological security. This paper uses the method of system analysis to qualitatively describe the coupling relationship between urbanization system and urban regional ecological security system, and quantitatively evaluate the coupling and coordination relationship between these two systems. The results show that the spatial urbanization subsystem is the most driven to the urbanization system, and the ecological security response system is an important factor to maintain and enhance the urban ecological security. Therefore, the spatial urbanization subsystem and the ecological security response subsystem have the greatest influence on the coupled system between urbanization and urban ecological security. Taking Shaanxi Province as an example, it is analyzed that the coordination degree between Shaanxi's urbanization system and regional ecological security system is increasing from 2005 to 2016, and has experienced four stages : uncoordinated recession, low coordination, moderate coordination and high coordination. The coordination degree between urbanization development and urban ecological security has been continuously improved, indicating that urbanization development has a positive role in promoting urban ecological security.
Highlights
As the objective requirement of the development of modern market economy, urbanization promotes the development of society, the improvement of productivity and the growth of economic efficiency[1]
A scientific understanding of the relationship between urbanization development and urban regional ecological security is of great significance for a country and a region to formulate urbanization strategies that are conducive to urban regional ecological security in the future
The coupling relationship between urbanization and urban ecological security can be divided into four categories according to the size of coordinated development degree D; These four categories can be divided into 12 different coupling coordination types according to the size relationship between u( X ) and f (Y ), and the coordination and development of the two systems are judged
Summary
As the objective requirement of the development of modern market economy, urbanization promotes the development of society, the improvement of productivity and the growth of economic efficiency[1]. In the face of developed European countries, the average level of urbanization has reached 70%, and their ecological security status has not deteriorated significantly, but has improved. Urbanization is a dynamic and multidimensional complex system, which includes many aspects such as population urbanization, economic urbanization, social urbanization, landscape urbanization, etc., and there are complex interactions between them. 2. Regional ecological security is a complex and comprehensive state, which includes three aspects: natural ecological security, economic ecological security and social ecological security[4]. There is no simple relationship between urbanization and regional ecological security. A scientific understanding of the relationship between urbanization development and urban regional ecological security is of great significance for a country and a region to formulate urbanization strategies that are conducive to urban regional ecological security in the future
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