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Analysis of land use change and its driving force in the Longitudinal Range-Gorge Region

Science Bulletin 2007年第S2期 10-20页

作者： LI ZhengHai~(1,4+) SONG GuoBao~(1,2) L HaiYan~3 BAO YaJing~1 GAO JiXi~4 WANG HaiMei~5 XU Tian~6 CHENG Yan~7 1 Institute of Bio-Resources and Environment,College of Life Science,Dalian Nationalities University,Dalian 116600,China 2 College of Resources Science & Technology,Baijing Normal University,Baijing 100875,China 3 Institute of Agricultural Resources and Regional Planning,Chinese Academy of Agricultural Sciences,Baijing 100081,China 4 Innovation Base of Regional Ecology,Chinese Research Academy of Environmental Sciences,Beijing 100012,China s Inner Mongolia Municipality Observatory,Huhhot 010051,China 6 College of Life Sciences,Inner Mongolia University,Huhhot 010021,China 7 College of Ecological Environment,Inner Mongolia Agricultural University,Huhhot 010018,China

The research on land use degree,land use change rate as well as regional difference of various land use types in the southwest Longitudinal Range-Gorge Region(LRGR)has been carried out on the re- gional and county *** the view of social economy,we have also analyzed the driving mecha- nism of land use change and the corresponding spatial scopes of various driving forces in the research *** research result indlcetse that,on the regional scale,farmland,forest and grassland compose the main body of land use in the LRGR,and the structural change of land use shows that grassland declines sharply,farmland increases and forest keeps *** the county scale,the land use is characterized by that land use level is relatively low,and the land use degree,the comprehensive variation rate and the relative variation rate among different land use types still *** analysis,the land use changes in the LRGR are mainly driven by investment Intensity of manpower and physical resources,the social economic output level,the intensity of natural disasters disturbance and educa- tional level of ***,the regionalism exists in the influence scope of different driving force types.

关键词： land use land use degree land use change rate driving force Longitudinal Range-Gorge Region(LRGR)

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