RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2008, Vol. 17 >> Issue (6): 853-853.

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SPATIAL DIFFERENTIATION OF COMPREHENSIVE LAND USE
EFFICIENCY IN JIANGSU PROVINCE

HAN Shucheng1, PU Lijie2,3   

  • Received:1900-01-01 Revised:1900-01-01 Online:2008-11-20

Abstract:

As the basement of reasonable land use and adjustment,evaluation of land use efficiency is important for coordinative development among regions and socioeconomic and ecoenvironment in Jiangsu Province.Firstly,the evaluation indicator system of comprehensive land use efficiency is established,which consists of 22 evaluating indicators and three subgoals of social efficiency,economic efficiency and ecoenvironment efficiency.Then the weighted multiplefactors synthetic appraisement method is applied to the evaluation of comprehensive land use efficiency.Simultaneously,the coordinated degree among the three subgoals is also analyzed.Based on the relative value，comprehensive efficiency and coordinated degree are classified into three grades of high,moderate and low. According to the combination status of comprehensive efficiency and coordinated degree of each county or city,the whole province is divided into three types,i.e.land use area with high efficiency and coordinated degree,land use area with moderate efficiency and basic coordinated degree and land use area with low efficiency and basic coordinated degree.On the whole,comprehensive efficiency and coordinated degree decreased gradually from south to north,which was caused mainly by socioeconomic development level. Based on the results,Jiangsu Province should make different land use strategy and relative policies to promote the coordinative development among regions and socioeconomic and ecoenvironment.

Key words: comprehensive land use efficiency, spatial differentiation, coordinated degree, Jiangsu Province

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