Analysis of Spatial Distribution and Optimization of Rural Settlement

As one of the important components of the new round of overall planning of land use,the optimization of rural residential area and spatial distribution adjustment play an important part in enhancement of regional economy,coordination of man-land relationship and balance of urban and rural development.The results of the rural settlement layout comprehensive appropriate level was obtained with the spatial analysis and statistical function of ArcGIS,according to suitability rank of natural,social,economic and environmental factors.The results showed that the area suitable for rural residential level one and level two of Ning′an City was relatively small,with the proportion of level one and level two was 10.84%,basically distributed of in level three or level four,which can meet Ning′an demand for rural residential construction.According to suitability areas and the predictive value of rural settlement scale,different arrangement types adopted different ways to optimize the spatial distribution of rural settlement.These rural settlements could be divided into four arrangement types which were urban expansion type,demolition of the old residential areas type,construction center village type and residential internal reform type.The result could provide scientific basis for land consolidation in rural area.Some suggestions on the adjustment of the distribution of rural residential land were put forward at the same time.