Linkit muille sivustoille
- #118 Light pollution hampers recolonization of revitalised European Nightjar habitats in the Valais (Swiss Alps) | SpringerLink 27.8.2019
- https://link.springer.com/article/10.1007/s10336-019-01659-6
- "...reduction in light emission near nightjar habitats by replacing bulbs currently in use with customized LED or broad-spectrum lamps low in white and blue light, and assign remaining nightjar habitats as areas of complete nocturnal darkness..."
- valo yö kehrääjä
http://www.kaupunkilinnut.fi/?links=kehr%C3%A4%C3%A4j%C3%A4
Cached: 2026-05-31 20:20:39 GMT