Distribution and Morphology Characteristics of Rural Settlements in Low Mountain and Hilly Areas of Eastern Sichuan:A Case of Nanbu County of Nanchong City
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摘要: 为了深入研究乡村聚落空间的分布特征及形态,为乡村振兴战略实施提供基础支撑,本文运用GIS空间分析得出四川省南充市南部县低山丘陵区乡村聚落空间分布与密度特点,并揭示了聚落的空间形态特征及其影响因素。结果表明:(1)南部县乡村聚落空间整体上呈分散分布模式,中东部密度高,西北部及南部密度较低;(2)聚落的分布形成中小型点状、条带状和斑块状聚落为主的空间形态,但局部空间分异特征复杂;(3)南部县乡村聚落的分布及形态特征主要受到地形、交通、水系条件的影响,随高程和坡度呈显著正态分布。该研究旨在为生态安全格局构建背景下丘陵地区乡村聚落的选址、空间格局优化提供科学依据,从而促进乡村社会经济发展,自然环境和谐,实现乡村振兴。Abstract: In order to deeply study the distribution characteristics and forms of rural settlement space and provide basic support for the implementation of rural revitalization strategy, this paper obtains the spatial distribution and density characteristics of rural settlements in low mountain and hilly areas of Nanbu County using GIS spatial analysis, and reveals the spatial morphological characteristics and influencing factors of settlements. The results show that:(1) The rural settlement space in Nanbu County shows a decentralized distribution pattern as a whole, with high density in the middle east and low density in the northwest and south. (2) The distribution of settlements forms the spatial form of small and medium-sized point, strip and patch settlements, while the characteristics of local spatial differentiation are complex. (3) The distribution and morphological characteristics of rural settlements in Nanbu County are mainly affected by terrain, traffic and water system conditions, and show a significant normal distribution with elevation and slope. The purpose of this study is to provide a scientific basis for the site selection and spatial pattern optimization of rural settlements in hilly areas under the background of ecological security pattern construction, so as to promote rural socio-economic development, natural environment harmony and rural revitalization.
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Key words:
- low mountain and hilly area /
- rural settlement /
- spatial distribution /
- morphology /
- Nanbu County
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