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基于"肖像-评估-建设-验证"范式的生态安全模式的研究 - - 以明江河流域为例

Meng Yuan¹, Qiong Xian¹, Qiyan Huang¹

¹The Faculty of Geography and Resources Sciences, Sichuan Normal University, Chengdu, 610066, China; Key Laboratory of Land Resources Evaluation and Monitoring in Southwest, Ministry of Education, Chengdu, 610066, China.

Journal of environmental management

|October 12, 2025

概括

城市化威胁着生态系统的安全. 本研究为明江河流域开发了一个动态的生态安全模式 (ESP) 评估框架,通过模拟和优化为未来的土地使用改进生态保护策略.

科学领域:

生态与环境科学生态与环境科学
城市规划和可持续发展
地理信息系统 (GIS) 是指地理信息系统.

背景情况:

快速城市化对区域生态系统安全产生负面影响,需要动态评估框架.
生态安全模式 (ESP) 对于理解人与自然的相互作用和空间规划至关重要.
明江河流域面临生态经济发展不平衡,需要优化.

研究的目的:

开发一个动态的ESP评估框架,以捕捉时空变化.
评估和优化明江河流域的ESP,以适应未来的土地使用场景.
为协调的区域生态安全保护提供科学指导.

主要方法:

使用常规方法和集成的"压力-状态-响应"模型与选定的指标进行了区域ESP的表征.
采用PLUS模型进行土地使用模拟,以预测2030年的场景.
基于模拟的土地使用和优化的模式元素构建并重新评估了2030年ESP.

主要成果:

在2000-2020年间,生态源区域波动;到2020年,生态安全下降.
优化2030 ESP显示了生态走廊的增加 (+590.28公里) 和减少了障碍点 (13).
与2020年相比,优化的ESP显示了改善的生态安全值.

结论:

该研究通过整合时间演变和空间变化来扩大ESP研究.
纳入模式元素可以加强ESP和生态安全评估 (ESA) 的整合.
模拟和优化ESP为可持续区域发展提供了有价值的科学指导.

关键词:

生态模式优化优化生态模式优化生态安全评估生态安全评估生态安全模式生态安全模式江河流域的江河流域.这是一个PLUS模型.

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