Research on Spatial Evolution Mechanics of Urban Group in the Poyang Lake Ecological Economic Zone Based on RS

This paper first gives an introduction on the present study situation of urban group spatial structure evolution, then extracts the urban group spatial distribution information in Poyang Lake Ecological Economic Zone, and monitors in dynamic change of urban group spatial evolution from 1990 to 2009. Later, it analyzes the present situation and the reason of urban group spatial structure in Poyang Lake Ecological Economic Zone, and finally, presents some suggestion on how to over-all optimize and regulate the urban group spatial structure in Poyang Lake Ecological Economic Zone.