Urbanization and ecosystem services: The multi-scale spatial spillover effects and spatial variations

城市群 城市化 单位(环理论) 空间规划 索引(排版) 地理 溢出效应 面板数据 经济地理学 可持续发展 空间生态学 空间分析 空间异质性 土地利用 环境规划 计量经济学 经济 生态学 经济增长 计算机科学 遥感 数学教育 数学 万维网 生物 微观经济学
作者
Wanxu Chen,Guangqing Chi
出处
期刊:Land Use Policy [Elsevier BV]
卷期号:114: 105964-105964 被引量:134
标识
DOI:10.1016/j.landusepol.2021.105964
摘要

Globally, urbanization dramatically undermines ecosystem services (ESs). How to relieve the disturbance of urbanization level (UL) on ESs has become an urgent issue for achieving regional sustainable development. However, the lack of understanding about the linear, nonlinear, spatial, and non-spatial relationships between UL and ESs limits effective ecologically related policymaking and urban planning. This study attempts to identify the spatial effects of UL on ESs with an integrated spatial panel approach by decomposing the spatial autocorrelation and spatial spillover effects at multiscales into direct, indirect, and total effects in the Middle Reaches of the Yangtze River Urban Agglomerations (MRYRUA) of China. A considerable increase was observed in construction land, while an evident decline was observed in cultivated land and forestland from 1995 through 2015. Significant negative spatial autocorrelation was found between UL and ESs. The dominant spatial clustering patterns in MRYRUA were the low–high type (low UL and high comprehensive ESs index) and high–low type (high UL and low comprehensive ESs index). A U-shaped curve between UL and ESs was identified, and UL was found to be negatively associated with ESs in MRYRUA. The negative and indirect effect of UL on ESs suggests that being surrounded by highly urbanized units imposed a negative impact on ESs in the individual unit. Findings from this study provide important implications on alleviating adverse ESs for urban planners and decision makers in fast-growing urban agglomerations worldwide.
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