摘要
基于"抵抗—适应—恢复"的特性,构建2006-2020年资源型城市生态韧性指标体系,运用熵值法对资源型城市生态韧性进行定量测算并分析其时空特征.最后利用空间模型,深入探索影响资源型城市生态韧性的影响因素.结果表明:①采用Dagum基尼系数发现,中国各区域资源型城市生态韧性水平皆呈下降趋势;除东部-东北部地区间呈微弱扩大趋势外,其他地区间差异整体上均呈波动下降趋势;区域间差异是资源型城市生态韧性差异的主要来源.②基于核密度估计显示,东部、中部、西部和东北地区的资源型城市生态韧性均处于上升态势.③空间计量模型表明,中国资源型城市生态韧性水平受到多重因素影响,包括产业结构、政府干预程度、人口密度、交通设施和对外开放水平等.研究结果可为提升资源型城市生态韧性水平提供科学参考.
Abstract
This study establishes an ecological resilience index for resource cities for the period between 2006 and 2020,based on the"resistance-adaptation-recovery"principle.It then proceeds to probe into the index's spatiotemporal characteristics.Utilizing a spatial model,the paper provides an in-depth exploration of the various factors influencing the ecological resilience within these resource cities.Findings illustrate that,through the application of Dagum's Gini coefficient,the ecological resilience within these resource cities appears to be on a downtrend across all regions.Despite a minor expansionary trend between the eastern and northeastern regions,variance amongst other regions portrays a generally waning and erratic pattern.Differences in inter-regional resilience seem to be the primary source of this variance.Moreover,based on kernel density estimates,the ecological resilience of resource cities across eastern,central,western,and northeastern regions all point to an upward trend.The spatial econometric model uncovers that ecological resilience levels in resource cities are impacted by several factors,such as industrial structure,extent of government intervention,population density,transportation facilities,and the level of external openness.This research offers valuable scientific insights and introduces a theoretical framework to enhance the ecological resilience levels of resource cities.
NETL
NSTL
万方数据