在气候变化下,中国的Cordyceps cicadae及其两个宿主的潜在地理分布
1Hubei Provincial Engineering and Technology Research Center for Resources and Utilization of Microbiology, College of Life Science, South-Central Minzu University, Wuhan, China.
Frontiers in microbiology
|January 30, 2025
概括
这项研究模拟了药用真菌Cordyceps cicadae在中国的分布,确定了关键的环境因素,并预测了气候变化下的未来适宜息地. 这些发现对于保护和可持续利用这一宝贵资源至关重要.
科学领域:
- 生态与环境科学 生态与环境科学
- 菌类学 菌类学是指菌类学.
- 生物地理学 生物地理学
背景情况:
- 果 (Cordyceps cicadae) 是一种具有潜在经济价值的可食用和药用真菌.
- 了解其分布对于有效的保护和利用战略至关重要.
研究的目的:
- 确定影响 Cordyceps 在中国的分布的主要环境因素.
- 在各种未来气候变化场景下预测Cordyceps cicadae的潜在地理分布.
- 评估气候变化对Cordyceps cicadae及其宿主昆虫适合息地的影响.
主要方法:
- 利用ENM工具来识别影响息地适宜性的关键环境变量.
- 采用MaxEnt模型来预测当前和未来的分布 (2030年代,2050年代,2070年代).
- 认为两个宿主昆虫,Macrosemia pieli和Platypleura kaempferi,作为生物分布因素.
主要成果:
- 关键的环境变量包括土壤pH值,日间温度范围,年降水量,降水季节性,年平均温度和最干燥月降水量.
- 适合C. cicadae和M. pieli的息地主要位于亚热带季风区;C. cicadae喜欢的斜坡.
- 气候变化场景 (SSP126,SSP370,SSP585) 显示出不同的影响,SSP585是不利的;在所有场景中,P. kaempferi的适应性下降. 在特定地区观察到息地扩张,而在其他地区则发生收缩,与已识别的主机共享收缩区.
结论:
- 气候变化对Cordyceps cicadae的分布和适合息地产生重大影响.
- 这项研究为Cordyceps cicadae资源的保护和可持续管理提供了关键的见解.
- 了解宿主真菌相互作用和环境驱动因素对于预测对气候变化的生态反应至关重要.
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