RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2017, Vol. 26 >> Issue (02): 238-246.doi: 10.11870/cjlyzyyhj201702009

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RESEARCH ON SPATIAL DISTRIBUTION CHARACTERISTICS AND SPACE RECONSTRUCTION OF RURAL SETTLEMENTS IN MOUNTAINOUS AREAS

LU De-bin1,2, YANG Jian1, MAO Wan-liu2, YU Zhen1, WANG Zu-jing2, BAI Bin1   

  1. 1. Department of Tourism and Geography, Tongren University, Tongren 554300, China;
    2. School of Geographic Sciences, East China Normal University, Shanghai 200241, China
  • Received:2016-07-22 Revised:2016-11-23 Online:2017-02-20
  • Supported by:
    Guizhou Province Technological and Science Foundation (Qian Ke He J(LKT[2012]07, 25) and Qian Ke He LH[2014]7472)

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Abstract: Being characterized by special geographical location, and with National Nature Reserve as its core area is, there are many restricting factors of village planning and distributing for Mount Fanjing Region. This paper first evaluates the spatial pattern of rural settlements, and appraises natural resources and location advantages synchronously. Principal Component Analysis was used to calculate the scale of rural settlements based on influence indexes. Because of this, we take advantage of weighted Voronoi image to segment the sphere of settlements' influences, and combining classification with the "residential field potential", to explore the relocation of settlements, with an aim to optimize rural settlements. The results showed that, the study area has a total of 23 046 rural residents and an area of 14 342.78 hm2, with 7 753 settlements and an area of 5 395.34 hm2 (37.62% of the total) in Yinjiang County, 11 199 settlements and 6 724.16 hm2 (46.88% of the total) in Songtao County, 4 094 settlements and 2 223.28 hm2 (15.50% of the total) in Jiangkou County, The scattered rural settlements are 7 871, with 2 641.75 hm2 (18.42% of the total); the reserved settlements are 10 288, with 5 680.46 hm2 (39.6%); the central settlements are 4 887, with 6 020.57 hm2 (41.98%). An optimization of spatial distribution produces a total 15 175 rural settlements, with a total area as the same with initialization, including 3 639 settlements in Yinjiang County (5 375.09 hm2 accounting for 37.48%), 8 542 settlements in Songtao County (6 536.86 hm2 accounting for 45.58%), and 2 994 settlements Jiangkou County (2 431.83 hm2 accounting for 16.96%). The spatial distribution after space reconstruction is expected to be more reasonable.

Key words: rural settlements, principal component analysis, weighted voronoi diagram, space reconstruction

CLC Number: 

  • P208
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