PROGRESS IN GEOGRAPHY ›› 2009, Vol. 28 ›› Issue (1): 71-75.doi: 10.11820/dlkxjz.2009.01.010

• Original Articles • Previous Articles     Next Articles

The Dynamics of Land Use and Ecological Security in Urban Area of Xi’an

GUO Bin, REN Zhiyuan   

  1. College of Tourism and Environment, Shaanxi Normal University, Xi'an 710062, China
  • Received:2008-10-01 Revised:2008-12-01 Online:2009-01-24 Published:2009-01-24


This paper used remote sensing images of Xi'an in 2000 and 2007, had analyzed the process of Xi'an land use change during 2000-2007,then had constructed the ecological security evaluation indicator system of Xi'an basis on PSR model, and had determined the weight of indicator by the methods of AHP and Information Entropy, and then had implemented nondimensionalization by power function and had calculated the index of ecological security by integrated index model, At last,making an overlay analysis between land use chart and ecological security evolution map, has obtained the inner link between ecological security condition and land use pattern.

Key words: ecological security dynamic, land use and ecological security, LUCC, urban area of Xi’an