缓解不断发展的城市规模街道照明装置对环境和生态的影响
Sam Morrell1,2, Jennifer Hatchell2, Freddy Wordingham2,3
1Environment and Sustainability Institute, University of Exeter, Penryn, CornwallTR10 9FE, UK.
Journal of the Royal Society, Interface
|February 10, 2026
概括
夜间的人工光 (ALAN) 影响生态系统. 新的3D建模表明,虽然ALAN覆盖范围下降,但光变得更强烈,伤害植物和动物.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 城市生态城市生态学
背景情况:
- 夜间人工照明 (ALAN) 在城市环境中很普遍.
- ALAN显著影响物种生理学,行为和健康状况,影响生态社区和生态系统功能.
- 在整个城市范围内以精细的空间分辨率来描述城市照明仍然是一个挑战.
研究的目的:
- 开发和应用3D蒙特卡洛辐射转移模型来模拟城市光环境.
- 评估过渡到发光二极管 (LED) 街道照明对植物和动物生理过程的影响.
- 提供适合生态研究和照明专业人员的照明数据.
主要方法:
- 利用3D蒙特卡洛辐射转移模型来模拟路灯的光辐射.
- 将模型应用于英国埃克塞特市,作为一个示例案例研究.
- 估计的黑激素抑制,诱导的光合作用和植物色素光静止状态.
主要成果:
- 开发的技术可以在相关的尺度和可观测的指标上建模城市照明景观.
- 模拟显示,尽管ALAN覆盖的总面积正在减少,但光的强度正在增加.
- 过渡到LED街道照明导致的光照条件对许多生物更有害.
结论:
- 3D建模方法提供了一种强大的工具,用于描述城市光环境,用于生态研究和照明管理.
- 尽管可能减少光线覆盖范围,但ALAN的强度不断增加带来了重大的生态风险.
- 城市照明策略不仅需要考虑范围,还需要考虑光线的质量和强度,以减轻对生物多样性的负面影响.
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