植物和土壤微生物多样性在温带草原荒漠化期间共同调节生态系统的多功能性
Yeming Zhang1,2, Xiuli Gao3, Ye Yuan4
1Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolian Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China.
Plants (Basel, Switzerland)
|November 14, 2023
概括
生物多样性,包括植物和土壤微生物,直接驱动草原的生态系统多功能性 (EMF). 保护这种生物多样性是草原恢复和荒漠化中可持续管理的关键.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 土壤科学 土壤科学
背景情况:
- 温带草原依赖生物多样性来实现生态系统的功能.
- 荒漠化对生态系统多功能性 (EMF) 的影响尚未完全理解.
- 生物多样性在调解荒漠化对EMF的影响中的作用需要调查.
研究的目的:
- 研究植物和土壤微生物多样性在不同草原荒漠化强度下如何影响EMF.
- 评估生物多样性和土壤特性对EMF的直接和间接影响.
- 确定EMF在荒漠化草原中的关键驱动因素.
主要方法:
- 在六个荒漠化梯度中评估了植物和土壤微生物多样性 (真菌,细菌,古生物,AMF).
- 测量了土壤特性和多种生态系统功能.
- 利用随机森林和结构方程模型 (SEM) 来确定预测因素的重要性和关系.
主要成果:
- 植物,细菌,真菌和考古物种的多样性随着荒漠化的增加而下降.
- 树状菌根真菌 (AMF) 的多样性显示出对荒漠化的弹性.
- 随着荒漠化,EMF显著下降,但与植物和微生物多样性有关.
结论:
- 植物和土壤微生物多样性都是沙漠化期间EMF的直接和显著预测因素.
- 地表和地下的生物多样性共同调节了EMF对草原荒漠化的反应.
- 这些发现支持生物多样性保护,以恢复生态系统和可持续的草原管理.
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