The Spatial Fractal Characteristics and Complexity of Rural Residential Areas in Beijing

Under the background of multifunctional integration,this article analyzes the spatial characteristics of the residential areas in the overall suburb zone,plain zone,the outskirts plain zone of Beijing based on the spatial evolution of residential shape properties.The spectrum analysis shows that,the rural residential areas of the three zones are in crisscross distribution with Qianmen as the center,on the basis of three basic circles of mid-outskirts,outer suburbs,mountainous zone in Beijing.Based on this analysis,the article calculates the spatial dimension and Hurst index of three zones'rural residential patches,and argues that the spatial structure of rural residential patches in overall suburb zone(20-122 km) is complex but not have fractal characteristics;but those in the plain zone(7-76 km) and the outskirt plain zone(7-49 km) are relatively simple but have fractal characteristics.The spatial evolutions of the latter two zones'rural residential patches are different from their agricultural development processes.On the whole,the spatial evolution of the three zones'rural residential areas is driven by urbanization,industrialization and non-agriculturalization of rural areas,and it is current at a critical stage of spatial expansion of the metroposis and coordinated development of agriculture,rural areas and farmers.