韩国温带森林中的生态系统多功能性主要由结构多样性和潜在的水分可用性控制,生态系统功能之间具有协同效应
Min-Ki Lee1, Yong-Ju Lee2, Chang-Bae Lee3
1Department of Forest Resources, Kookmin University, 77 Jeongneungro, Seongbukgu, Seoul, 02707, Republic of Korea; Forest Carbon Graduate School, Kookmin University, 77 Jeongneungro, Seongbukgu, Seoul, 02707, Republic of Korea.
Journal of environmental management
|April 20, 2025
概括
生态系统的多功能性 (EMF) 由高植物多样性和古老森林增强,这些森林促进了结构多样性. 减少水压力也可以促进EMF,管理策略需要考虑生物多样性,年龄和功能特征.
科学领域:
- 森林生态 森林生态
- 生态系统科学 生态系统科学
- 生物多样性研究 生物多样性研究
背景情况:
- 生态系统的多功能性 (EMF) 对人类福祉和可持续发展至关重要.
- 了解影响EMF的因素是有效森林管理和保护的关键.
- 之前的研究已经探讨了个别因素,但需要对它们的相互作用进行全面分析.
研究的目的:
- 在韩国自然森林中量化EMF.
- 确定影响EMF的关键生物和非生物因素.
- 分析生态系统功能与影响因素之间的相互关系.
主要方法:
- 利用了韩国第七届国家森林库存数据 (630个自然森林地块).
- 使用12个与生态系统功能相关的变量量化的EMF.
- 采用多模型平均和零碎结构方程建模来分析变量影响和相互作用.
主要成果:
- 高植物丰富度和老森林通过增加树木结构多样性对EMF产生积极影响.
- 减少水压力增加了植物资源的可用性,对EMF产生了积极的影响.
- 根据森林种群类型,EMF机制有所不同;混合种群没有显示控制EMF的主导功能特征.
结论:
- 促进EMF需要考虑生物多样性,年龄和结构多样性.
- 森林管理必须整合植物的功能特征,生态系统功能和环境梯度.
- 生态系统功能之间的协同相互作用通常会增强EMF,但影响因森林类型而异.
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