ANALYSIS ON LAND USE/COVER CHANGE AND ITS DRIVING FACTORS OF ANKANG

The land use overall change index and change data is calculated based on detailed survey data of Land use in Ankang between 2005 to 2010,the use of mathematical statistical methods and principal component analysis Ankang City,the number of land-use change and changes in land use degree,on this basis,extraction affecting landuse change driving factors.The results show that:the land use type number appears on the whole arable land,unused land,pasture area is reduced and garden,woodland,urban and rural construction land,land for transportation,water conservancy facilities land area increased trend.Economic factors,the urbanization factors and population growth is the main driving force factors Ankang City land use change.