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Remote Sensing for Land & Resources    2018, Vol. 30 Issue (3) : 113-119     DOI: 10.6046/gtzyyg.2018.03.16
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An analysis of spatial distribution and optimization of rural settlements:A case study of Niejia Village in Shitan Town,Hechuan District,Chongqing
Yuanwen ZENG, Yi DI, Yan HU, Jing CHEN, Songjiang DUAN
Chongqing Geomatics Center, Chongqing 401121
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Abstract  

The spatial distribution optimization of rural settlement, as one of the most important contents of Overall Planning of Land Use, plays an important role in the coordination and balance of urban and rural development. Based on the spatial analysis technique and landscape ecology theory, the authors studied the distribution characteristics and influencing factors of rural settlements in village regions with Niejia Village of Shitan County as a study case. ArcGIS was employed in this study to carry out quantitative and qualitative analysis so as to select the best location of the rural settlement layout in this village. The results can provide a reference for the new rural construction, village planning, and rural settlement optimal location selection of the general land use planning.
Keywords rural settlement      spatial analysis      landscape index      spatial distribution optimization     
:  TP79  
Issue Date: 10 September 2018
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Yuanwen ZENG
Yi DI
Yan HU
Jing CHEN
Songjiang DUAN
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Yuanwen ZENG,Yi DI,Yan HU, et al. An analysis of spatial distribution and optimization of rural settlements:A case study of Niejia Village in Shitan Town,Hechuan District,Chongqing[J]. Remote Sensing for Land & Resources, 2018, 30(3): 113-119.
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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2018.03.16     OR     https://www.gtzyyg.com/EN/Y2018/V30/I3/113
Fig.1  Sketch map of study area
Fig.2  Technology sketch
指数 A/hm2 n/个 Ai/hm2 Di Si Fi
数值 722.07 141 35.42 0.220 9 0.049 1 4.5
Tab.1  Landscape index analysis of settlements
Fig.3  Distribution of settlements in different slope grades
等级 A/hm2 n/个 Ai/hm2 Di Si Fi
一 108.47 36 7.33 0.288 1 0.067 6 4.26
二 41.46 19 3.53 0.338 5 0.085 0 3.98
三 139.38 57 12 0.319 7 0.086 1 3.71
四 214.31 19 8.3 0.148 9 0.038 7 3.84
Tab.2  Landscape index analysis of settlements in different slope grades
Fig.4  Distribution of settlements in different road buffer grades
等级 A/hm2 n/个 Ai/hm2 Di Si Fi
一 225.35 87 19.73 0.310 7 0.087 5 3.55
二 176.79 25 6.78 0.188 0 0.038 3 4.91
三 128.72 15 2.77 0.170 7 0.021 5 7.94
四 84.55 3 1.80 0.094 2 0.021 3 4.42
Tab.3  Landscape index analysis of settlements in different road buffer grades
Fig.5  Distribution of settlements in different farming distance
等级 A/hm2 n/个 Ai/hm2 Di Si Fi
一 199.29 141 35.42 0.420 6 0.177 7 2.37
二 61.88 0 0 — — —
三 38.17 0 0 — — —
四 15.77 0 0 — — —
Tab.4  Landscape index analysis of settlements in different farming distance
Fig.6  Distribution of settlements in different waters buffer grades
等级 A/hm2 n/个 Ai/hm2 Di Si Fi
一 239.94 70 19.01 0.270 1 0.079 2 3.41
二 205.21 40 10.19 0.220 7 0.049 6 4.45
三 121.32 26 5.27 0.231 5 0.043 4 5.33
四 45.56 3 0.95 0.128 3 0.020 9 6.14
Tab.5  Landscape index analysis of settlements in different waters buffer grades
Fig.7  Main control factor of study area
Fig.8  Construction suitability grades of rural settlements
等级 A/hm2 n/个 Ai/hm2 Di Si Fi
一 38.85 85 18.50 0.739 6 0.476 2 1.55
二 56.81 34 7.48 0.386 8 0.131 6 2.94
三 66.40 9 3.59 0.184 1 0.054 0 3.41
四 10.32 0 0 — — —
Tab.6  Landscape index analysis of settlements in different construction suitability grades
Fig.9  Spatial distribution optimization result of rural settlements
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