[中国东部大型城市聚集区生态安全模式的构建和优化策略]
Gang-Te Lin1, Yao-Wei Wu1, Hai-Wei Yuan1
1School of Geography and Remote Sensing, Guangzhou University, Guangzhou 510006, China.
Huan jing ke xue= Huanjing kexue
|November 29, 2025
概括
这项研究增强了中国的生态安全模式 (ESP).
科学领域:
- 生态安全模式 生态安全模式
- 城市生态系统的弹性 城市生态系统的弹性
- 空间连接性分析
背景情况:
- 中国的大型城市集群 (北京-天津-河北,长江三角洲,广东-香港-澳门大湾区) 面临生态挑战.
- 现有的生态安全模式 (ESP) 往往忽视了生态系统的弹性和空间连接.
- 强大的ESP对于平衡经济增长和生态可持续性至关重要.
研究的目的:
- 评估中国三大城市的生态弹性,并确定中国三大城市的生态源 (ES) 和生态走廊 (EC).
- 通过整合生态弹性和空间连接来开发和评估优化的ESP.
- 提出有针对性的战略,以加强这些地区的生态系统功能和整合.
主要方法:
- 使用2020年土地使用数据进行生态弹性评估.
- 生态走廊 (EC) 提取的最小累积电阻 (MCR) 模型.
- 评估ESP和确定关键值的多指标系统.
主要成果:
- 在城市聚合区中观察到适度的生态弹性,GBA最高 (0.59). 城市地区的弹性很低,而自然景观的弹性更高.
- 确定了生态源 (ES) 并提取了许多生态走廊 (EC),并注意到存在低级别的ES和EC.
- 制定了针对每个城市聚集地量身定制的优化ESP策略,包括特定的空间配置和管理建议.
结论:
- 整合生态弹性和空间连接对于城市聚合区中强大的ESP至关重要.
- 建议采取有针对性的战略,例如加强高质量的EC和建立缓冲区,以改善ESP.
- 拟议的ESP优化为中国的可持续城市发展和生态系统管理提供了一个框架.
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