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蓝绿基础设施生态系统服务的城乡差异和规模效应
Miao-Miao Sun1, Jiang-Tao Lyu2, Xiao-Wen Li1
1College of Environment, Beijing Normal University, Beijing 100875, China.
概括
蓝绿基础设施 (BGI) 在城市地区提供必要的生态系统服务 (ES). 这项研究揭示了BGI的空间差异和依赖规模的权衡.
科学领域:
- 城市生态城市生态学
- 环境科学 环境科学
- 空间规划 空间规划 空间规划
背景情况:
- 蓝绿基础设施 (BGI) 对城市生态安全模式至关重要.
- 在了解BGI的生态系统服务 (ES) 动态,协调和城市化期间的权衡方面存在研究差距.
- 现有的研究往往忽视了BGI提供的多个ES的微妙相互作用.
研究的目的:
- 探索从1980年到2020年武汉6个BGI提供的ES的时空变化和城乡差异.
- 在不同空间尺度上分析这些ES之间的权衡和协同效应.
- 为优化BGI管理在快速城市化中提供见解.
主要方法:
- 使用InVEST模型进行ES评估.
- 应用了Getis-Ord Gi*空间热点分析来识别空间模式.
- 采用空间相关性分析来研究ES关系和规模效应.
主要成果:
- 由BGI提供的ES通常在城市中心地区呈现较低的水平,在边缘地区呈现较高的水平.
- 蓝色基础设施比绿色基础设施对ES的贡献更大.
- 欧洲经济体展现了城乡梯度和规模依赖的权衡和协同作用,协同作用在更大的行政规模中占主导地位.
结论:
- BGI 的 ES 功能表现出显著的空间异质性,并受到城市化和城乡梯度的影响.
- 在ES之间规模依赖的相互作用需要定制的管理策略.
- 结果支持BGI的协调,层次和区域管理,以优化ES交付.
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