摘要
研究都市圈生态系统服务权衡协同关系对城镇空间扩张的响应,对区域城镇空间格局优化和高质量发展具有重要意义。本研究以广佛都市圈为研究区域,基于2000—2020年土地利用数据及自然生态环境等相关数据,选取景观格局指数测度城镇空间的规模、分布、形态维度的扩张特征,利用InVEST模型计算降温服务、生境质量、自然游憩和水源涵养4项主要生态系统服务,采用耦合协调度模型量化多元生态系统服务间的权衡协同关系,并通过多尺度地理加权回归模型探究其对城镇空间多维扩张的响应。结果表明:2000—2020年,广佛都市圈城镇用地规模持续增加,且2010—2020年间的增速加快,中心区城镇用地平均斑块面积增加和东北部小斑块的城镇用地增加,都市圈由“双中心”向“单中心”演化。广佛都市圈城镇用地斑块间距离较小,分布较为紧凑,新增城镇用地间距离较小,但近年来逐渐增大。城镇用地斑块形态整体较规整,复杂度较小,新增城镇用地的形态复杂度逐渐增加。广佛都市圈生态系统服务权衡协同关系变动较为剧烈,协同关系减少,权衡关系增加,且极度权衡关系逐渐占主导地位。广佛都市圈生态系统服务协同对城镇用地规模变化的响应最剧烈且具有空间异质性,对城镇用地分布和形态变化的响应存在阶段性差异。
Understanding the responses of ecosystem service trade-offs and synergies in metropolitan areas to the multidimensional expansion of urban space is of great significance for the optimization of regional land spatial pattern and high-quality development.With the Guangfo Metropolitan Area as research region,we used land use data and natural ecological environment data from 2000 to 2020 to measure the expansion characteristics of urban space in the dimensions of scale,distribution,and morphology by using the landscape pattern indices.We further calculated four main ecosystem services:urban cooling,habitat quality,recreation,and water conservation by the InVEST model,quantified the trade-off and synergistic relationship of multiple ecosystem services by the coupling coordination degree model,and explored its response to multidimensional urban spatial expansion by using the multi-scale geographically weighted regression model.The results showed that urban land use scale in the Guangfo Metropolitan Area continued to increase from 2000 to 2020,with an accelerated growth rate from 2010 to 2020.The ave-rage patch area of urban land in the central area and the urban land of small patches in the northeast increased,evolving from a“dual-center”structure to a“single-center”one.The distance between urban land patches in the Guangfo Metropolitan Area was relatively small,indicating a compact distribution of urban land.The distance between newly developed urban land patches was also small,but had gradually increased in recent years.The patch shape of urban land was relatively regular and less complex,but the complexity of the newly added urban land gra-dually increased.The ecosystem service trade-offs and synergies in the Guangfo Metropolitan Area had undergone significant changes,with a decrease in synergies and an increase in trade-off,and extreme trade-offs had gradually become dominant.The response of ecosystem services synergies to changes in urban land use scale was the most intense and had spatial heterogeneity,while the response to the change of distribution and morphological characte-ristics of urban land showed periodic differences.
作者
周晓艳
王海军
黄欣
石方钰
程必立
ZHOU Xiaoyan;WANG Haijun;HUANG Xin;SHI Fangyu;CHENG Bili(School of Resource and Environmental Sciences,Wuhan University,Wuhan 430072,China;Guangzhou Urban Planning&Design Survey Research Institute,Guangzhou 510060,China)
出处
《应用生态学报》
CAS
CSCD
北大核心
2024年第7期1935-1943,共9页
Chinese Journal of Applied Ecology
基金
国家自然科学基金项目(42171411)资助。
关键词
生态系统服务权衡协同
城镇空间扩张
多尺度地理加权回归模型
景观格局指数
广佛都市圈
ecosystem service trade-off and synergies
urban space expansion
multi-scale geographically weighted regression(MCWR)model
landscape pattern index
the Guangfo Metropolitan Area
