A Typical Agricultural Areas of China -Dezhou City’s Land use Structure Changes Based on Past Decade Data

Based on the statistical data of land-using in Dezhou City from 1996 to 2006, the changes of Dezhou City’s land-using structures is described. Through the use of land-use change intensity index, land-use type of dynamic index, the contribution rate of changes, Land-use integrated index, the changes of Dezhou City’s land-using structures is described is studied. The study is on quantity changes, velocity changes, as well as degree changes. Results showed that the change of cultivated land was not significant ; scales of urban construction land , traffic land , and forest land were further increased ; scale of unused land was reduced fast ; and the difference of land use structure in each county of Dezhou City was evident . Land use changes in Dezhou city were driven by natural , economic and social factors. Finally, the causes of land use structure changes were analyzed and some suggestions were put forward.