管理方法和持续时间诱导Carya cathayensis的土壤微生物群落的变化. 森林 森林 森林 森林 森林
Cheng Huang1,2, Hua Liu2, Shu-Yi-Dan Zhou3
1Hubei Key Laboratory of Biologic Resources Protection and Utilization Hubei Minzu University Enshi China.
Ecology and evolution
|September 17, 2025
概括
森林管理影响土壤微生物. 短期的强化实践可以促进多样性,但长期的实践会减少多样性. 均衡,间歇的管理是土壤健康的关键.
科学领域:
- 土壤科学 土壤科学
- 生态生态学 生态生态学
- 微生物学 微生物学
背景情况:
- 土壤微生物群落对于生态系统功能至关重要.
- 森林管理实践及其持续时间对土壤微生物群落的影响仍然不清楚.
研究的目的:
- 调查不同的森林管理策略 (没有,广泛的,密集的) 和时间框架如何影响土壤微生物群落组成和*Carya cathayensis*的网络复杂性. *大白山西的森林.
- 了解控制这些微生物群落的组装过程 (确定性与随机性).
主要方法:
- 时间序列的方法被采用在0,3,8,15和20年.
- 使用高通量测序来确定微生物物种组成.
- 应用了并发网络分析和零模型理论来评估相互关系和社区集会.
主要成果:
- 土壤细菌的多样性最初随着短期管理而增加,但随着长期持续下降.
- 土壤酸酸酶和总水平是细菌组成的主要驱动因素,其中*Acidobacteriota*,*Proteobacteria*,*Actinobacteria*和*Chloroflexi*占主导地位.
- 微生物相互作用在很大程度上是合作的,尽管随着时间的推移而波动. 随机过程,特别是扩散限制,对于社区集会至关重要,在广泛管理中限制较小.
结论:
- 均衡的森林管理,包括短期密集实践和间歇方法,对于保持土壤微生物多样性和生态系统功能至关重要.
- 密集森林管理需要恢复期来支持微生物群落.
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