结合地面和地下生态系统的稳定性 全球
Zexin Meng1,2, Huiwen Li3, Yiping Wu1,2
1Institute of Global Environmental Change; Department of Earth & Environmental Science, School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|March 9, 2026
概括
稳定的陆地生态系统对于气候调节至关重要. 这项研究揭示了地表和地下生态系统稳定性之间的强烈联系,特别是在干旱地区,突出了稳定的温度的关键作用.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 气候科学 气候科学
背景情况:
- 陆地生态系统的稳定对于气候调节和地球安全至关重要.
- 地表生态系统的稳定性得到了很好的研究,但地下的稳定性及其与地表过程的联系在全球范围内尚不清楚.
- 了解这些联系对于预测生态系统对气候变化的反应至关重要.
研究的目的:
- 研究地下生态系统稳定的全球模式及其与地面生态系统稳定的关系.
- 确定影响地面和地下生态系统稳定性的环境因素.
- 为在气候变化下保持生态系统稳定提供见解.
主要方法:
- 汇集了来自4,544个社区 (1985-2018) 的年度土壤呼吸和地面生态系统生产力的全球数据集.
- 分析了地面生产率和地下土壤呼吸的长期稳定性模式.
- 研究了不同环境条件下的地面和地下稳定性之间的相关性,重点关注温度.
主要成果:
- 具有稳定的地面生产率的生态系统在土壤呼吸中表现出更大的长期稳定性.
- 在地面和地下生态系统稳定性之间发现了显著的正相关性,在干旱环境中最强.
- 稳定的温度被确定为加强地面和地下生态系统的稳定性和合性的关键因素.
结论:
- 地上和地下生态系统的稳定性在当地和全球范围内相互联系.
- 温度稳定性在维持结合生态系统稳定性方面发挥着基本作用.
- 这些发现对于理解和预测面对气候变化的生态系统弹性至关重要.
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