Study on spatial structure of forest park in Chongqing metropolitan area

Taking Forest Park in Chongqing metropolitan area as the research objects, the paper adopts nearest neighbor index, geographic concentration index, unbalanced index, Gini coefficient and ArcGIS analysis software to conduct quantitative and qualitative analysis on spatial distribution and its characteristics of forest parks. The results show that forest parks are weakly condensed distributed in the space with a poor spatial balance; they mainly concentrated in the Developing Area of Metropolitan Function and Urban Development Zone; the high and low space density of national forest park areas are respectively the Developing Area of Metropolitan Function and Urban Development Zone.