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在长江经济带的生态安全模式的多层次转型和进化因素
1School of Social Science, Soochow University, Suzhou, 215127, PR China; Academy of Culture and Tourism Research, Soochow University, Suzhou, 215127, PR China.
Journal of environmental management
|June 25, 2025
概括
生态安全模式 (ESP) 根据规模而异. 这项研究揭示了更细的尺度捕捉更多的局部细节,影响更广泛的模式和驱动生态系统的弹性.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 空间分析 空间分析
背景情况:
- 生态安全对于可持续的生态系统至关重要,但依赖于规模.
- 宏观规模的研究可能会忽略当地生态安全模式 (ESP),而微观规模的分析可能会忽略更广泛的趋势.
- 对多层次的ESP演变和驱动因素的系统理解受到单层次方法的限制.
研究的目的:
- 研究ESP的时空动态和尺度转换.
- 确定影响ESP在不同规模的关键驱动因素.
- 分析长江经济带ESP的多层次演变机制.
主要方法:
- 开发了一个集成的"结构-功能"框架,用于多层次的ESP分析.
- 应用空间分析和机器学习模型对1995年至2020年的电网和城市规模数据.
- 研究了时空变化,尺度转换效应和ESP的主导驱动因素.
主要成果:
- 在ESP中,表现出显著的尺度依赖的时空变化.
- 平均ESP在网格尺度 (0.91) 高于城市尺度 (0.88),表明在更细的分辨率下变化更大.
- 网格规模分析显示,对城市规模的ESP的自下而上的影响更强,主要驱动因素不同 (社会/生态与社会结构惯性).
结论:
- 多尺度分析对于全面了解ESP至关重要.
- 规模转换显著影响ESP,更细的尺度捕捉局部优势.
- 确定了三维进化机制 (响应分歧,转换偏差,因子差异化),为增强区域生态安全和生态系统弹性提供了洞察力.
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