COORDINATED DEVELOPMENT OF ECONOMY AND ECOLOGICAL ENVIRONMENT BASED ON PRINCIPAL COMPONENT ANALYSIS TAKING HENAN PROVINCE AS AN EXAMPLE

Economic development and environmental protection are interrelated and complementary. To explore the coordination between the two, this article analyzes the quality of the economic development and ecological environment based on the 2006-2020 NDVI, DEM, and climate data in Henan Province. The change characteristics clarify the degree of mutual influence between the two, and principal component analysis is used to reveal the coordinated relationship and evolution characteristics of economic development and ecological environment in the study area. The results show that from 2006 to 2020, Henan Province's economic development and ecological environment quality index values showed a fluctuating upward trend, increasing from 0.143 and 0.213 to 0.941 and 0.862 respectively. The average annual growth rate of economic development and ecological environment is 39.9% and 20.31% respectively, in the regression relationship. The impact of the coefficient of the comprehensive economic development index on the ecological environment quality index is 0.622, and the impact of the coefficient of the ecological environment quality index on the economic development is 1.533, and the two are in the process of mutual promotion. In the past 15 years, the economic development and ecological environment of the quality index of Henan Province have maintained a positive correlation, with a goodness of fit of 0.8024 and the coordination degree increased from 0.271 to 0.643, maintaining a good resonance development trend.