数字农科院2.0

Spatial expansion characteristics of rural settlements and its response to determinants in Hangzhou Bay Urban Agglomeration, China: Geospatial modeling using multiscale geographically weighted regression (MGWR)

文献类型： 外文期刊

作者： Zijuan Zhao;Beilei Fan;Xinwei Du;Xueqi Liu;Shihao Xu;Yudong Cao;Yuting Wang;Qingbo Zhou

作者机构：

关键词： Key factors;Policy recommendations;Rural settlement;Spatial expansion;Spatial heterogeneity

期刊名称： Journal of Cleaner Production

ISSN： 0959-6526

年卷期： 2024 年 484 卷

页码：

收录情况： SCIE（2024版） ; ; EI（2024版）

摘要： The expansion of rural settlements has become a significant issue in China's progress toward rural revitalization. Understanding the intricate connections between rural settlement expansion and its determinants is crucial. Previous studies have focused on identifying the characteristics and factors that contribute to rural settlement expansion at a fixed study scale, whereas the spatial heterogeneity of the impact of key drivers on rural settlement expansion at different geographical scales has been neglected. The spatial heterogeneity response relationship of driving factors to rural settlement expansion is a key basis for formulating management strategies; however, few studies have focused on this aspect. To address this knowledge gap, we constructed the Intensity–Space–Pattern–Driving research framework and investigated layout changes in rural settlement expansion and the complex spatial non-stationarity relationships between rural settlement expansion and various factors. Taking the Hangzhou Bay Urban Agglomeration as a case study, this study reveals that rural settlements rapidly expanded, which was primarily characterized by edge expansion from 1980 to 2020. Rural settlement expansion exhibited significant spatial heterogeneity across various regions, as evidenced by the shifting center of gravity of expansion, which moved from the northeast to the central region. Furthermore, the expansion direction indicated a trend of spreading from coastal areas to inland regions. These variations were closely linked to factors such as the natural environment, socio-economic conditions, geographic location, and others. Among the factors affecting the expansion of rural settlements, elevation, fractional vegetation cover (FVC) change, distance to factories, road density, and distance to city centers had the most significant response to the spatial heterogeneity of rural settlement expansion, meaning that they presented different directions and thresholds of influence at different spatial scales. This paper quantitatively assessed the impact of each driver at multiple geographic scales and proposed differentiated strategies for optimizing rural settlement layouts according to local conditions. This study reveals the specific characteristics of rural settlement expansion in rapidly urbanizing areas, provides a new analytical framework for a deeper understanding of the spatial heterogeneity of influencing factors, and offers a scientific basis for rural planning and management.

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