关键词: 人口发展功能分区/ 人居环境适宜性/ 人居环境约束性/ 南京市

Abstract:

With the support〖JP2〗 of GIS and taking 137 towns and street communities〖JP〗 in Nanjing as basic assessment units,this paper studied on the research thought and method as well as the index system establishment of population development function division on the scale of city from human settlement environment constraints and suitability. Firstly,it pointed out that areas with good human settlement environment suitability,high load of resources and 〖JP2〗environment capacity and strong ability to develop society and economy should accelerate〖JP〗 population agglomeration,while areas with high human settlement environment constraints,limited load of resources and environment capacity and fragile ecological environment ought to limit the population expansion and shoulder the function of agricultural production and ecological service,so as to coordinate the relation of resources,environment,society,economy and population development.Secondly,according to two dimensional discrimination matrix,it divided Nanjing City into five different types of areas,namely population agglomerated area,population stable area,population cultivating area,population evacuated area and population prohibited area.Finally,this paper put forward relevant safeguard measures as the guide for rational population distribution in cities.

Key words: population development function division/human settlement environment suitability/human settlement environment constraint, Nanjing City