STUDY ON THE COUPLING RELATIONSHIP BETWEEN ECOLOGICAL SUSTAINABILITY AND HIGH-QUALITY ECONOMIC DEVELOPMENT

Based on the actual data of China (excluding Tibet, Hong Kong, Macao and Taiwan) from 2009 to 2019, this article constructs a comprehensive evaluation index system for ecological sustainability and high-quality economic development, combining the degree of coupling and empirical analysis of the coupling between the two systems and interactive development, discussing the characteristics and influencing factors of the coordinated development of the economy and the ecological environment. The research shows that the economic and ecological environment indexes have risen sharply from 2010 to 2019, and the increase rate is obvious. The economic and ecological environment coordinated development index showed obvious fluctuation characteristics, and the overall change showed an increasing change. Ecological sustainability and high-quality economic development show a steady upward trend; the degree of coupling and coordination is distributed between 0.348-0.839, and has been steadily increasing year by year; in terms of interaction, there is a positive interaction between ecological sustainability and high-quality economic development, that is, the development of the two will promote each other.