Analysis of land use change and driving forces in Jinta county,Gansu
In this paper,Jinta county,Jiuquan city,Gansu province,was selected as the research area.Based on the statistical yearbook data of Jinta county in 2009 and 2018,land use amplitude and dynamic attitude model and land use degree model were used to analyze the characteristics and trends of land use change in Jinta county.In addition,based on the social and economic data from 2009 to 2018,the driving forces of land use change in Jinta county were analyzed by using principal component analysis.The results showed that the land use type of Jinta county was mainly other types of land during the study period.The area of other land changed the most,and the transportation land and cultivated land changed greatly.The area of cultivated land,urban village,industrial and mining land,transportation land and garden land increased,while the area of other types of land decreased.The comprehensive index of land use was low,and the degree of land development and utilization was low.The first driving force of land use change in Jinta county includes economic development,population growth,urbanization and agricultural technology development,and the second driving force is spatial expansion.
land usedriving forceprincipal component analysisJinta county