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在气候变化和野火威胁下,生态系统服务和减少灾害风险
1Department of Ecological Engineering, Faculty of Natural Resources, University of Jiroft, Jiroft, Iran. Azam.khosravi@ujiroft.ac.ir.
Environmental management
|February 18, 2026
概括
气候变化加剧了野火,威胁着重要的生态系统服务. 本研究绘制了这些服务的地图,量化了风险,并确定了提高人类福祉的弹性和可持续性的策略.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 气候变化研究 气候变化研究
背景情况:
- 野火是自然的,但由于气候变化而加剧,威胁到基本的生态系统服务.
- 干旱和半干旱的生态系统面临着因野火频率和强度的增加而带来的重大风险.
- 生态系统服务对人类福祉至关重要,并且容易受到气候驱动的干扰.
研究的目的:
- 为减少风险和保护生态系统服务免受野火和气候变化影响而制定新的框架.
- 绘制十个关键生态系统服务的地图,并评估它们对环境威胁的脆弱性.
- 确定生态系统服务弹性的驱动因素,并为适应性管理策略提供信息.
主要方法:
- 利用现场数据,InVEST模型和基于GIS的空间分析来绘制生态系统服务的地图.
- 使用植物功能特征和环境指标量化野火和气候变化风险.
- 采用因果路径和相关性分析来识别弹性驱动因素和当地环境影响.
主要成果:
- 在土地覆盖面之间观察到气候变化风险,易燃性和生态系统服务脆弱性的显著差异 (p < 0.05).
- 水产和养蜂服务最容易受到气候变化的影响;碳捕获,食品和牲畜受到火灾的影响最大.
- 发现当地环境条件在干扰下增强了生态系统服务的稳定性.
结论:
- 为预测生态系统服务漏洞而开发了一个实用的,可转移的框架.
- 调查结果为预防和适应策略提供信息,以支持人类福祉和生态系统的长期可持续性.
- 了解弹性驱动因素是管理生态系统在日益增长的气候变化压力下的关键.
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