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Reducing the fatal attraction of nocturnal insects using tailored and shielded road lights

  • The attraction of insects to artificial light is a global environmental problem with far-reaching implications for ecosystems. Since light pollution is rarely integrated into conservation approaches, effective mitigation strategies towards environmentally friendly lighting that drastically reduce insect attraction are urgently needed. Here, we tested novel luminaires in two experiments (i) at a controlled experimental field site and (ii) on streets within three municipalities. The luminaires areThe attraction of insects to artificial light is a global environmental problem with far-reaching implications for ecosystems. Since light pollution is rarely integrated into conservation approaches, effective mitigation strategies towards environmentally friendly lighting that drastically reduce insect attraction are urgently needed. Here, we tested novel luminaires in two experiments (i) at a controlled experimental field site and (ii) on streets within three municipalities. The luminaires are individually tailored to only emit light onto the target area and to reduce spill light. In addition, a customized shielding renders the light source nearly invisible beyond the lit area. We show that these novel luminaires significantly reduce the attraction effect on flying insects compared to different conventional luminaires with the same illuminance on the ground. This underlines the huge potential of spatially optimized lighting to help to bend the curve of global insect decline without compromising human safety aspects. A customized light distribution should therefore be part of sustainable future lighting concepts, most relevant in the vicinity of protected areas.show moreshow less

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Metadaten
Author:Manuel DietenbergerORCiD, Andreas JechowORCiD, Gregor KalinkatORCiD, Sibylle SchroerORCiD, Birte Saathoff, Franz HölkerORCiD
DOI:https://doi.org/10.1038/s42003-024-06304-4
Parent Title (English):communications biology
Document Type:Article
Language:English
Year of Publishing:2024
Year of Publishing:2024
Publishing Institution:Technische Hochschule Brandenburg
Release Date:2024/06/06
Volume:7
Article Number:671
First Page:1
Last Page:12
Institutes:Fachbereich Technik
open_access (DINI-Set):open_access
University Bibliography:Hochschulbibliografie
Licence (German):Creative Commons - CC BY - Namensnennung 4.0
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