生物物理因素和管理实践是塑造森林恢复力的关键
Yu Yan1,2, Xingyu Feng1,2, Zhiyong Liu3,4
1Center for Water Resources and Environment, School of Civil Engineering, Sun Yat-sen University, Guangzhou, China.
Nature communications
|February 16, 2026
概括
森林管理影响生态系统的弹性,而未经管理的自然森林是最有弹性的. 特定的条件,如高水量可用性,可以使经营森林比自然森林更有弹性.
科学领域:
- 生态生态学 生态生态学
- 林业林业 林业 林业 林业
- 环境科学 环境科学
背景情况:
- 森林管理对人类福祉至关重要的生态系统服务产生重大影响.
- 了解森林管理对不同环境条件下的森林弹性的影响至关重要,但人们对其了解甚少.
研究的目的:
- 研究森林管理实践与生物物理因素之间的相互作用.
- 从2001年到2015年,探索这些因素对全球森林弹性的综合影响.
主要方法:
- 开发一个整合关键减速理论,卫星衍生植被指数和机器学习的框架.
- 在不同管理类型和环境条件下对森林弹性进行全球分析.
主要成果:
- 未经管理的自然森林表现出最高的弹性,其次是管理的自然森林,然后是种植的森林.
- 森林管理通常在高人为压力下降低了弹性,但在特定的生物物理条件下,这种效应被逆转.
- 种植森林在潮湿的气候中表现出比自然森林更强的弹性 (降雨/潜在蒸发转化比率>1.5),而自然森林在干燥的气候中表现出更强的弹性.
结论:
- 森林管理实践可以削弱弹性,特别是在人为压力下,但有利的条件,如充足的水资源可用性,可以减轻这一点.
- 温度,植被密度和土壤肥沃度等环境因素可以提高经营森林的弹性,可能与自然森林相匹配.
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