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Systematic Analysis and Assessment on Sustainable Land Use

DAI Erfu\ CAI Yunlong\ FU Zeqiang (Department of Urban and Environmental Sciences & the Center for Land Studies, Peking University;Laboratory for Earth Surface Process,the Ministry of Education,Beijing,100871)  
Being sustainable both on spatial and temporal dimensions,sustainable land use system is a typically complicated system composed by natural,social and economical components,which has special attributes of systematic complication,structural openness,spatio\|temporal dynamics and multi\|objects.Driving Force\|State\|Response analysis method is useful to probe into multi\|act and dynamics of its components.Sustainability assessment is the core to sustainable land use study.In this paper,the authors apply Driving Force\|State\|Response analysis method to construct assessing indicator system,which can be classified into \%status quo\% and response indicators,composed by natural,social,economical and technical aspects.Then the authors design assessing process on sustainable land use.At last,the indicator system and process are applied in Tangshan Region from 1991 to 1999.The results show that the general sustainable degree of land use in the study case has been rising,which is resulted from great economic growth and natural cost.
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