在现代人工照明光谱下,夜间的夜间活动严重和广泛减少
Emmanuelle Sophie Briolat1, James A M Galloway1, Elliott Cornelius1,2
1Centre for Ecology and Conservation, University of Exeter-Penryn Campus, Penryn, Cornwall, UK.
Proceedings. Biological sciences
|January 27, 2026
概括
人工照明,包括LED,显著抑制了活动,影响了养和繁殖. 即使是低强度的珀和白光,也会使活动降低高达85%,对虫群体构成风险.
科学领域:
- 生态生态学 生态生态学
- 昆虫学 昆虫学是一门学科.
- 环境科学 环境科学
背景情况:
- 人工照明对夜行昆虫产生负面影响,扰乱了食和繁殖等基本行为.
- 人工光,特别是发光二极管 (LED) 对昆虫活动模式的影响尚未完全理解.
- 由于人工光,昆虫活动的变化可能会对生态产生级联的后果.
研究的目的:
- 研究不同类型和强度的LED照明对野生捕获的物种活动的影响.
- 量化各种与街道照明相关的人工光源引起的活动减少.
- 评估采集方法对观察到的活动的影响.
主要方法:
- 实验对来自3个家族的23种野生捕获物种的843只进行了实验.
- 在不同的LED照明条件下测量了活动 (白色,珀色,广谱,窄带) 在不同的亮度水平 (10 lx,1 lx和天光).
- 活动与自然的夜间照明进行了比较,并考虑了灯具陷与手网的影响.
主要成果:
- 人工照明,无论类型 (白色,珀色,宽频,窄频),强烈抑制了活动.
- 在10 lx的白色LED,与自然光相比,平均降低了85%的活性.
- 即使在1lx和天光水平以下,也观察到显著的活动抑制,特别是在白色LED.
结论:
- 人工LED照明,即使在低强度,也大大抑制了活动,可能对种群产生广泛的负面影响.
- LED的类型 (宽频与窄频) 并没有显著改变观察到的活动抑制.
- 需要进一步的研究,以了解光污染对夜行昆虫的生态影响.
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