光伏阵列所造成的环境异质性改变了草原土壤微生物群落
J Alexander Siggers1, Matthew A Sturchio1,2, Lillian Gordon3
1Department of Biology and Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, USA.
Global change biology
|July 23, 2025
概括
光伏 (PV) 能源系统改变太阳能阵列下的土壤微生物群落. 土壤微生物中的这些变化会影响生态系统功能,即使土壤化学似乎没有变化.
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:
- 光伏 (PV) 能源的扩张引发了对生态系统影响的担忧.
- 光伏阵列创建独特的微环境,影响地面的过程.
- 太阳能发电开发对地下生态系统的影响仍未得到充分研究.
研究的目的:
- 评估植物-土壤-微生物对光伏系统微站点的反应.
- 在光伏阵列下调查土壤生理化学,分子和功能变化.
- 为了将光伏系统下的微生物群落与参考草原进行比较.
主要方法:
- 配对土壤生理化学,分子和功能分析.
- 在地面上的生产力指标.
- 在不同的光伏微站点和半干旱草原中的参考地块之间进行比较.
主要成果:
- 土壤有机物和pH的微妙变化与地面上的生产力相关.
- 土壤微生物社区的结构和功能在光伏微站点之间存在显著差异.
- 微生物分解速度各不相同,高生产率最高,但土壤湿度较高时最低.
结论:
- 太阳能光伏阵列诱导了独特的土壤微生物社区结构和功能.
- 这些微生物的转变可以反影响整体生态系统的功能.
- 标准的土壤生理化学测量可能无法完全捕捉光伏开发对土壤生态系统的影响.
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