Research on Coupling Relation between Tourism Economy and Ecological Environment System of China′s Costal Cities
On the basis of establishing an evaluation system for tourism economy and ecological environment, and by u-sing the panel data from 2005 to 2012, this paper carries out a quantitative analysis of the coupling coordination degree between tourism economy and ecological environment system of 14 key coastal tourist cities.The results of this study showed that there was an overall optimization of the development of tourism economy and ecological environment in these 14 cities, but there were differences between tourism economy and ecological environment;the coupling coordination de-gree between tourism economy and ecological environment of 14 cities rose gradually, but its absolute level was still low;from the perspective of spatial dimension, the difference in coupling coordination degree between tourism economy and ecological environment narrowed in the Bohai Sea region, Yangtze delta region, the western Taiwan Straits Economic Zone and Northern Gulf area, but the difference in the Pearl River Delta region enlarged;comparing the five areas, the regional differences in coupling coordination degree between tourism economy and ecological environment narrowed; as the gap of economy development was narrowing, the differences of the coupling coordination degree between tourism econ-omy and ecological environment of these 14 cities narrowed.