The impacts of artificial light at night (ALAN) spectral composition on key behavioral traits of a sandy beach isopod
Abstract
Artificial light at night (ALAN) is a widespread human-induced disturbance, whose effects have been documented in many ecosystems. However, limited attention has been given to the source of the lights behind ALAN, so this study examined three of them: High-Pressure Sodium (HPS) lamps and warm and cool white Light-Emitting Diodes (LEDs). Laboratory experiments compared the effects of each type of light to natural day/night conditions, upon the activity, feeding behavior and growth of the isopod Tylos spinulosus. Tanks equipped with actographs monitored locomotor activity, while separate tanks were utilized to assess food consumption and growth under natural and ALAN conditions. Our results show that all ALAN sources disrupt and reduce isopods' activity and feeding behavior, with cool and warm LEDs being the most severe and mildest, respectively. Instead, ALAN had only minor effects on isopod growth. Our findings suggest that warm LEDs may be preferable for ALAN mitigation purposes.
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Cites
Light Pollution as a Biodiversity Threat
Hölker, F., Wolter, C., Perkin, E. K., & Tockner, K. (2010) · Trends in Ecology & Evolution · doi:10.1016/j.tree.2010.09.007 · Cited by 860 · see citing works
Light at night, clocks and health: from humans to wild organisms
Dominoni, D. M., Borniger, J. C., & Nelson, R. J. (2016) · Biology Letters · doi:10.1098/rsbl.2016.0015 · Cited by 204 · see citing works
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- Authors
- Quintanilla-Ahumada, D., Quijón, P. A., Jahnsen-Guzmán, N., Zúñiga-Cueto, N., Miranda-Benabarre, C., Lynn, K. D., Pulgar, J., Palma, J., Manríquez, P. H., & Duarte, C.
- Affiliations
- Universidad Andrés Bello (CL)
- University of Prince Edward Island (CA)
- ORCID
- Venue
- Marine Pollution Bulletin
- Publisher
- Elsevier BV
- Published
- 2024-11
- Volume
- 208
- Pages
- 116924
- ISSN
- 0025-326X (ISSN-L)
- OpenAlex
- W4402534586
- Cited by
- 10
- References
- 2
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 1
- FWCI
- 1.57
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Marine Pollution Bulletin (publishedVersion)
- PubMed (publishedVersion)
- IslandScholar (University of Prince Edward Island) (submittedVersion)
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Impact of Light on Environment and Health
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine Biology and Ecology Research
- Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
- Keywords
- artificial light at night, light pollution, spectral composition, locomotor activity, feeding behavior, growth, high-pressure sodium lamps, light-emitting diodes, behavioral characteristics
- MeSH terms
- Animals, Behavior, Animal, Feeding Behavior, Light, Lighting, Ecosystem, Isopoda
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