Research on Dynamic Change of Land Use Structure in Zhuanglang County, Gansu Province

The dynamic evolution characteristics of land use structure in Zhuanglang County were studied with the contribution rate, the annual average intensity index, the speed of land use structure change, Lorenz curves and Gini Coefficients. Based on the land use change date of Zhuanglang County from 1997 to 2012, the results showed that, with temporal change, cultivated land and urban village and industrial land played an important role in land use structure change in Zhuanglang. In Spatial change, the distribution of cultivated land, other land, transportation land, urban village and industrial land and grassland in zhuanglang County were dispersed, followed by forest land and land for water conservancy facilities, garden land was extremely unbalanced.