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-  2015 

重庆丘陵地区农村居民点空间布局优化——以长寿区海棠镇为例

DOI: 10.11821/dlyj201505008

Keywords: 农村居民点,空间布局优化,综合影响力,加权Voronoi图,海棠镇

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Abstract:

摘要: 以农村居民点斑块为研究单元,在分析海棠镇农村居民点斑块综合影响力的基础上,基于不同地貌,制定差异化的空间布局优化策略,并应用加权Voronoi图指导居民点斑块的迁移方向。结果表明:① 海棠镇村级影响力居民点斑块面积183.57 hm2(183个);社级影响力居民点斑块面积206.86 hm2(391个);零星居民点斑块面积31.49 hm2(118个),影响力较大的居民点斑块主要分布在海棠镇中东部地势较平缓的区域;② 通过布局优化,全镇农村居民点斑块总面积从优化前的421.92 hm2减少到优化后的353.73 hm2,减少了16.16%;居民点斑块密度由优化前的14.74个/km2降低到8.94个/km2,降低幅度达39.35%;居民点斑块平均面积从优化前的0.61 hm2增大到0.84 hm2,增加了37.70%。海棠镇农村居民点“小散乱”的空间分布现状得到较大改善。

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