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基于生态系统的减少灾害风险的途径:对经验证据的全球审查
Prakash Kumar Paudel1, Saraswati Dhakal2, Shailendra Sharma2
1Center for Conservation Biology, Kathmandu Institute of Applied Sciences, PO Box 23002, Kathmandu, Nepal; Society for Conservation Biology Nepal, Kathmandu, Nepal.
The Science of the total environment
|April 25, 2024
概括
生态系统提供可持续的灾害风险降低,但对生态机制的证据是温和的. 需要进一步的研究,以将基于生态系统的适应纳入全球灾害管理战略.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 灾害管理 灾害管理
背景情况:
- 生态系统服务在减少灾害风险方面得到越来越多的认可.
- 对于这种降低风险的生态过程的了解有限.
- 可持续的灾害管理战略越来越多地纳入基于生态系统的方法.
研究的目的:
- 综合减少灾害风险的生态机制.
- 评估基于生态系统的减少灾害风险的证据水平和使用规模.
- 确定这一领域的知识缺口和研究需求.
主要方法:
- 对64篇同行评审文章 (2015-2022) 的系统审查.
- 分析涵盖9种灾害类型的研究,重点是洪水和城市热浪.
- 评估生态机制,证据水平和应用规模.
主要成果:
- 适度的证据水平和用于基于生态系统的灾害风险降低的使用规模.
- 森林和淡水生态系统通过冷却过程减轻城市热量.
- 生态系统通过增强的蒸发和水透来降低洪水风险.
- 沿海生态系统通过分散波浪能量来减少侵蚀.
结论:
- 基于生态系统的灾害风险降低是有希望的,但需要更多的机制理解.
- 危害减轻受到生态系统特征 (例如森林类型,景观) 的影响.
- 研究在地理上偏向于发达国家;多学科合作是必不可少的.
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