长春市乡村聚落空间分异特征及影响因素分析

为探究长春市各县（市、区）乡村聚落的空间格局特征和差异性，基于长春市各县（市、区）2017年度土地调查的矢量数据，以长春市乡村聚落为研究对象，综合运用GIS空间统计分析、邻域分析等研究方法，对长春市各县（市、区）内的乡村聚落进行了空间特征分析，探究长春市各县（市、区）乡村聚落的空间格局特征和差异性，并分析了各种因素对乡村聚落影响程度。结果表明:长春市的乡村聚落均呈现聚集分布，但聚集程度具有差异，长春市的乡村聚落主要分布在长春市城区及邻近长春市城区的周边地区，聚集程度高，规模大，其他地区乡村聚落聚集规模小，空间分布稀疏，乡村聚落多分布在水系充足和交通便捷等自然条件优越的地区或社会经济发达的地区。

Spatial Differentiation Characteristics and Influencing Factors of Rural Settlements in Changchun City

In order to explore the spatial characteristics and differences of rural settlements in Changchun City, based on the vector data of the land survey of various counties, cities and districts in Changchun City in 2017, rural settlements in Changchun City were taken as the research samples, the GIS spatial statistics analysis, neighborhood analysis and other research methods were comprehensively used to analyze the spatial characteristics of the rural settlements in each area, to explore the spatial characteristics and differences in the rural settlements in counties, cities and districts of Changchun, and to analyze the influencing causes. The results show that the rural settlements in Changchun City are aggregated, but the degree of accumulation in each area is different; the rural settlements in Changchun City mainly distribute in the surrounding areas of Changchun City and the regions adjacent to Changchun City with a high degree of aggregation and large scale, and the degree of aggregation and scales are small, and the spatial distributions are sparse in the other areas; the rural settlements mostly distribute in areas with favorable natural conditions such as adequate water system and convenient transportation.