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中国农学通报 ›› 2026, Vol. 42 ›› Issue (17): 209-218.doi: 10.11924/j.issn.1000-6850.casb2026-0198

• 三农研究 • 上一篇    

基于景观指数粒度效应分析的农村居民点空间分异特征研究——以汉源县为例

邓云思1(), 刘志彬1, 方颖轩2, 李军1, 彭兴虹1, 王威伟1, 穆羽1, 夏建国2,3, 高雪松2,3, 杨波1()   

  1. 1 四川省国土整治中心/自然资源部土地整治农用地质量与监控重点实验室, 成都 611130
    2 四川农业大学资源学院, 成都 611130
    3 自然资源部耕地资源调查监测与保护利用重点实验室, 成都 611130
  • 收稿日期:2026-03-16 修回日期:2026-07-10 出版日期:2026-09-15 发布日期:2026-09-09
  • 通讯作者:
    杨波,男,1978年出生,四川广安人,高级工程师,在职研究生,主要从事国土整治、耕地保护与生态修复研究。通信地址:610000 四川省成都市武侯区万丰路189号 四川省国土整治中心,Tel:028-85568266,E-mail:
  • 作者简介:

    邓云思,女,1984年出生,四川南充人,高级工程师,硕士研究生,主要从事耕地保护、国土整治与生态修复研究。通信地址:610000 四川省成都市武侯区万丰路189号 四川省国土整治中心,Tel:028-67198190,E-mail:

  • 基金资助:
    四川省哲学社会科学基金项目“减碳与经济增长双赢视角下四川国土空间功能优化与调控机制研究”(SCJJ23ND161); 四川省自然资源厅科研项目“中国式现代化的资源要素保障(四川篇)课题研究”(KJ-2024-004)

Research on Spatial Differentiation Characteristics of Rural Residential Areas Based on Analysis of Landscape Index Granularity Effects: A Case Study of Hanyuan County

DENG Yunsi1(), LIU Zhibin1, FANG Yingxuan2, LI Jun1, PENG Xinghong1, WANG Weiwei1, MU Yu1, XIA Jianguo2,3, GAO Xuesong2,3, YANG Bo1()   

  1. 1 Sichuan Provincial Land Consolidation Center/ Key Laboratory of Farmland Quality and Monitoring for Land Consolidation, Ministry of Natural Resources, Chengdu 611130
    2 College of Resources, Sichuan Agricultural University, Chengdu 611130
    3 Key Laboratory of Cadastral Resources Investigation, Monitoring and Utilization, Ministry of Natural Resources, Chengdu 611130
  • Received:2026-03-16 Revised:2026-07-10 Published:2026-09-15 Online:2026-09-09

摘要:

本研究旨在为汉源县的乡村规划、空间布局优化及土地利用提供参考。通过分析不同粒度尺度下景观指数的响应规律,确定了研究区域内研究农村居民点空间格局的最优粒度,并结合景观格局与空间分析方法,揭示了汉源县农村居民点在空间分布上的多维度特征。结果表明:(1)汉源县农村居民点空间分异特征的最佳适宜粒度范围为50~70 m,其中60 m被确立为最优空间粒度。(2)汉源县的农村居民点分布呈西北—东南走向的条带状特征。加权中心位于唐家镇内,表明该区域是农村居民点斑块面积分布的重心。同时,中心地带的农村居民点有聚集分布态势。(3)汉源县农村居民点的高核密度区域主要集中在宜东镇、九襄镇、唐家镇、富林镇、富泉镇、安乐镇和大树镇,呈现沿河聚居的特征,这与当地的河谷地貌和农业生产条件密切相关。(4)汉源县农村居民点呈现较高的聚集程度,仅宜东镇、九襄镇、大树镇、唐家镇的分离度指数较高,分别为714.35、700.02、451.33、350.19,其农村居民点斑块的离散程度高,其空间聚集程度相对较低。综上,汉源县农村居民点的空间分布呈现出“大聚居,小分散”的特点,空间分布格局受地形地貌影响显著,以低山河谷区的密集分布和高山区域的稀疏分布为主要特征。研究结果为汉源县的乡村发展规划和土地利用管理提供了宝贵的参考信息。

关键词: 农村居民点, 粒度效应, 空间分异, 景观指数

Abstract:

This study aims to provide references for rural planning, spatial layout optimization and land use in Hanyuan County. By analyzing the granularity effect of different granularity landscape indices, and based on the determination of the optimal granularity, combined with landscape pattern and spatial analysis methods, the spatial differentiation characteristics of rural settlements in Hanyuan County were studied. The results showed: (1) the appropriate granularity range for the spatial differentiation characteristics of rural settlements in Hanyuan County is 50-70 m, and the optimal spatial granularity is 60m. (2) The distribution of rural settlements in Hanyuan County is in a northwest-southeast direction. The weighted center of the rural settlement patches is located within Tangjia Town, indicating that this area is the center of gravity of the patch area distribution of rural settlements. And there is a clustering distribution phenomenon in the central area of rural settlements. (3) The high-density areas of rural settlements in Hanyuan County are concentrated in Yidong Town, Jiuxiang Town, Tangjia Town, Fulin Town, Fuquan Town, Anle Town and Dashu Town, showing a feature of settlement clustering along the river. (4) Rural settlements in Hanyuan County show a high degree of aggregation. Only Yidong Town, Jiuxiang Town, Dashu Town and Tangjia Town have relatively high separation indices, which are 714.35, 700.02, 451.33 and 350.19 respectively, and the dispersion degree of rural settlement patches in these areas is high. In summary, the spatial distribution of rural settlements in Hanyuan County shows the characteristics of ‘high aggregation, less dispersion’. The spatial distribution pattern is significantly affected by topography and geomorphology, with the dense distribution of low mountain valley areas and the sparse distribution of high mountain areas as the main characteristics. The research results provide valuable reference information for rural development planning and land use management in Hanyuan County.

Key words: rural settlements, granularity effect, spatial differentiation, landscape index

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