Evaluation Of Integrated Benefits Of Land Use In Metropolis Of China

With the acceleration of urbanization, the urban land demand driving by urban population growth and economic development will increase gradually, which requires higher benefits of urban land use. The urban land, especially located in the built-up area of metropolis, plays an important role in the urban economic development. Therefore, study on integrated benefits of metropolis land use may provide scientific therapy for controlling the encroach on the farmland by metropolis expansion, and releasing the potential of urbanstock land, improving intensive use of urban land resources as well as keeping the coordinated development among the economic, social and ecological environment.This article takes 35 metropolises as study cases, on the basis of elaborating the related concepts and theories of the urban land use and its benefits, present situation on the overall characteristic and structural characteristic of urban land use are analyzed. Then the regional comparative analysis of economic benefits is conducted. According to the connotation of the land use integrated benefits as well as the actual land use situation, land use benefits integrated evaluation indicators which contain 14 indexes are constructed from three aspects: the economic benefits, the social benefits and the ecological benefits. Then choose panel data which come from 2002 to 2004 and use the principal components analysis to find out the main factors of affecting the urban land use integrated benefits, and then the factor analysis is used to set order and evaluate the development level of integrated benefits in various cities, which may provide the scientific basis for further intensively and more effectively using on urban land, and enhancing the integrated benefits of urban land use.