The development of regional economy and tourism requires basic protection of the ecological environment.The development of tourism and the protection of the ecological environment also require the economy to provide it with complete infrastructure and financial guarantees.The development of the regional economy also requires the promotion of tourism.In this paper,based on the explanation of the mechanism of coordinated development of regional economy,tourism and ecological environment,the index system of regional economic-tourism-ecological environment coupling coordination degree is established,and the mathematical model and calculation method of coupling coordination degree are introduced.For example,an empirical analysis of the coupling degree of economic-tourism-ecological environment in Henan Province from 2004 to 2019.The results of the study show that the coupling degree of economic-tourism-ecological environment in Henan Province generally shows an upward trend,which is a type of good coordination.But the regional ecoenvironment system is facing certain pressure.At present,Henan Province needs to take necessary measures to promote the integrated development of tourism,economy and ecology.
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