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《Scientia Geographica Sinica》 2007-01
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Simulation on Relations between Land Use Type and Land Productivity in Loess Hilly Region—A case study in Wangjiagou catchment

LI Zhong-Wu1,2,CAI Qiang-Guo2,ZENG Guang-Ming1(1.The College of Environmental Sciences and Engineering,Hunan University,Changsha,Hunan 410082;2.Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101)  
The land use type is a pivotal factor affecting land productivity in loess hilly region.Using the land productivity model based on erosion,supported by geographic information system(GIS),the paper researched the relation between different land use types and land productivity of hilly loess region.The result showed,to a majority of crops,land productivity of different land use types has a law,namely,bottomland terrace slope landgully wall.In order to research the mechanism further,the paper discussed adaptability index and productivity index of different kinds of crop for different land use types,which embodied the same trends.
【Fund】: 国家杰出人才基金(50225926、50425927)项目;; 中国科学院知识创新项目(KZCX1-10-04)资助
【CateGory Index】: F301
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