Study on Characteristics and Differences of Spatial Structure of key villages of rural tourism in Chongqing

The key village of rural tourism is one of the important forms of agricultural production on the periphery of metropolises.Spatial features of key villages of rural tourism in Chongqing, the object of study, have been analyzed based on the nearest neighbor index, geographic concentration index, imbalance index, Gini coefficient, kernel density, among others, and the ArcGIS analysis software. The results show that key villages of rural tourism in Chongqing are condensed distributed on the whole, those in three functional areas of Chongqing are evenly distributed;key villages of rural tourism in Chongqing, with poor balance of distribution, are mainly distributed in the metropolitan areas of Chongqing; their kernel density is high in the center and low at both wings.