Study on Land Use Change of Energy-Rich Area in Western China Based on GIS and Computer

Dongsheng district as Chinese important resource of energy rich region, and belongs to the typical ecological fragile zone, the contradiction between the development of energy resources and the protection of the ecological environment has become increasingly acute, and land use change is the embodiment of the contradiction. This paper takes the land use change of Dongsheng as the research object, 1993, 2005 and 2014 land use database as the data source, using GIS software, combined with the land use changes spatial dynamic degree and land use change trend index model and other research methods, analysis of the Dongsheng District of various temporal and spatial variation of land use types and influencing factors during twenty-one years. Research shows that: the grassland, woodland and arable land changed most frequently. The area of agricultural land reduced the 125.514 km², construction land increased 125.275 km², agricultural land and construction land area changes in relative balance. In space, the change in spatial distribution characteristics of arable land and construction land is most obvious. The effects of land use change in Dongsheng region is mainly affected by the implementation of the national economic and social development and reform policy.