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[1]CHEN Guo-jian,ZHANG Xiao-ping,ZHANG Ping-cang,et al.Dynamic Changes of Land Use in Liudaogou Watershed Based on RS and GIS[J].Research of Soil and Water Conservation,2009,16(02):95-100.

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Dynamic Changes of Land Use in Liudaogou Watershed Based on RS and GIS

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 02 Page number: 95-100 Column: Public date: 2009-04-20

Title:: Dynamic Changes of Land Use in Liudaogou Watershed Based on RS and GIS

Author(s):: CHEN Guo-jian¹, ZHANG Xiao-ping², ZHANG Ping-cang³, LI Rui², YANG Qin-ke²; 1. School of Geographical Sciences, Chongqing Normal University, Chongqing, 400047, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shanxi, 712100, China;
3. Changjiang River Science Research Institute, Changjiang Water Resources Committee, Wuhan, 430010, China

Keywords:: the Loess Plateau; the water wind erosion crisscross region; land use; converting farmland into forestry land and grass land

CLC:: F301.24

DOI:: -

Abstract:: Taking Liudaogou watershed in water-wind erosion crisscross region as the study site,based on the monochrome aerial photo,the color aerial photo and the local surveying,the paper draws information on land use in different years from them by the integration of RS and GIS to analyze the dynamic changes of land use,and calculates the de-farming influencing coefficient in Liudaogou watershed from 1990 to 2002.The results showed that compared with the identical land use in 1990,the irrigable land increased by 43.45%,forestry land by 28.43% and grass land by 5.83%,while slope dry farmland decreased by 60.81% in 2002.The land use structure has been optimized gradually.During two different period from 1990 to 2002,the land use conversion has mostly happened among farmland,forestry land,grass land and mine land.The change of land use suffer more influence from the project of converting slope farmland into forestry land and grass land in the Eighth Five-year Program than after 1995;the pilot study of the Eighth Five-year Program has optimized the structure of land use,since 1995,coal mining industry has become more active gradually,which has promoted the structure of land use to optimize further.

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