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《Ecology and Environmental Sciences》 2010-11
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Urbanization development characteristics and its path selection process in fragile ecological environment

ZHANG Liqian1,2,CAI Jianming1 1.Institute of Geographical Science and Natural Resources Research,Chinese Academy of Science,Beijing 100101,China; 2.Graduate Institute of Chinese Academy of Sciences,Beijing 100101,China  
The fragile ecological environment has the role of certain constraints for urbanization.The urbanization in vulnerable areas shows different characteristics with that in non-vulnerable areas.Previous studies preferred to focus on specific fragile ecological environment in a case-by-case way.This paper attempts to stand on a more macro perspective,by studying the similarities and differences of urbanizations between fragile and non fragile areas,to clear the urbanization development characteristics in fragile ecological environment and its appropriate path.This paper,firstly,based on a lot of readings in relevant literature,summarizes the common characteristics among arid region,karst areas,alpine regions,the transition zone and other types of fragile ecological environment.By understanding current urbanization situations and constraints in those regions and connecting scholars' researches,we advance suggestions on the development in fragile ecological environment,comparing with the situations in good ecological environment.After theoretical analysis,the second part of the paper initially constructs a selection method and its process for the fragile ecological environment urbanization development pathways.Studies show that the main constraints for the fragile ecological environment urbanization are geological conditions,topography,hydrology,climate,vegetation and natural resources above and below ground.The differences compared with good ecological environment urbanization are mainly in industry selection,population carrying capacity and the city construction land,etc.All of them are also extremely important emphasized for the urbanization in the fragile area.The urbanization path selection process in fragile ecological environment is divided into the following steps: classification,analyzing the level of urbanization and its stages,analyzing the evolution process of the ecological environment,studying urbanization and eco-environment interaction mechanism,scenario analysis,scenario analysis,strategic planning,deciding the city's function and its position,and so on.
【CateGory Index】: X171.1
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