Abstract
We can say that enhancing the capacity and functionality of urbanization is the key to China’s development. However, the urbanization development in various regions of China is unbalanced, especially in the southwestern ethnic region with relatively lagging behind the development. As a yardstick of urbanization development, urban comprehensive carrying capacity can provide a reference for urbanization development. Therefore, in order to promote the urbanization process in the southwestern ethnic region, this paper constructed an index system for measuring the urban comprehensive carrying capacity and used entropy method and coupling coordination degree model to calculate the urban comprehensive carrying capacity in China’s southwest ethnic region in 2003-2016 and the coupling coordination between its elements. The results display that the overall carrying capacity of cities in the southwestern ethnic region shows an upward trend in 2003-2016: By analyzing the evolution of different elements, improving traffic and communication capacity significantly, population and environmental carrying capacity are relatively high; while the degree of coupling coordination of each element is not generally high, and the comprehensive carrying capacity and element coupling coordination degree of cities show that the spatial and temporal patterns are “double high” and “double low”.
Highlights
As a yardstick of urbanization development, urban comprehensive carrying capacity can provide a reference for urbanization development
In order to promote the urbanization process in the southwestern ethnic region, this paper constructed an index system for measuring the urban comprehensive carrying capacity and used entropy method and coupling coordination degree model to calculate the urban comprehensive carrying capacity in China’s southwest ethnic region in 2003-2016 and the coupling coordination between its elements
In order to promote the urbanization process in the southwestern ethnic region, it is important to scientifically and quantitatively evaluate the urban comprehensive carrying capacity
Summary
The single factor carrying capacity only considers the role of the host’s resources or environmental factors, and lacks the careful study of human activities and the overall consideration of the ecosystem, even some scholars (Daly, 1990; Ehrlich & Wilson, 1991) proposed the society the concept of carrying capacity, but without in-depth study of the impact of social factors on resources or the environment, it is difficult to draw conclusions that reflect the dynamic characteristics of development, and lack of comprehensive practical guidance. Li and Zhao (2008) believe that the comprehensive urban carrying capacity refers to the threshold of the scale and intensity of human activities that can be carried by urban resources under certain conditions and certain social, economic and ecological environment. Gao et al (2010) proposed that urban comprehensive carrying capacity refers to the ability of the city to carry out population and social and economic activities under the premise of no damaging impact on its resources, environment and science and education. This paper takes the southwestern ethnic area as the research object, and builds the urban comprehensive carrying capacity model and its elements coupling coordination degree model to evaluate the urban comprehensive carrying capacity level and the coupling and coordination level of the internal elements, and to explore the development characteristics of urban comprehensive carrying capacity and its coupling degree of coordination in southwestern ethnic region
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