Cited by 32Freshwater macroinvertebrate diversity and ecologyImpact of Light on Environment and HealthEnvironmental Toxicology and Ecotoxicology

Effect of artificial light on the drift of aquatic insects in urban central Texas streams

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Henn, Monika, Nichols, Harlan, Zhang, Yixin, Bonner, Timothy H.·2014·Journal of Freshwater Ecology

Abstract

Light pollution can reduce night time drift of larval aquatic insects in urban streams by disrupting their circadian rhythms. Previous studies on larval insect drift show that disruption in drift leads to changes in reproduction as well as intraspecific and interspecific interactions. The purpose of this study was to conduct a preliminary investigation into the effects of extreme artificial light on insect drift in urbanized, high clarity spring systems of the karst Edwards Plateau, TX. We quantified taxa richness, diversity, and abundance in aquatic insect night time drift under two treatments (ambient night time light and artificial light addition) and among five streams using a paired design. Richness and diversity of drifting aquatic insects were similar between treatments but abundance was 37% less in the light addition treatment than that of the control. Effects of light addition on mean abundance was more notable in large streams with a 58% decrease in Simuliidae (compared to that of the control) and 51% decrease in Baetidae. Reduced drift from light addition suggests the potential of artificial lighting disrupting insect drift and consequently community structure. Results of this experiment support a growing body of knowledge on how urbanized systems influence stream communities.

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Crossref · 10.1080/02705060.2014.900654

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  • Light pollution can reduce nighttime drift of larval aquatic insects in urban streams by disrupting their circadian rhythms.

    “Light pollution is another physical stressor in urban hydrosystems [132] that can reduce nighttime drift of larval aquatic insects in urban streams by disrupting their circadian rhythms [133].”

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  1. Saunders KS, Mayes KB, Jurgensen TA, Trungale JF, Kleinlasser LJ, Aziz K, Fields JR, Moss RE. 2001. An evaluation of spring flows to support the upper San Marcos River spring ecosystem, Hays County, Texas. Austin (TX): Resource Protection Division, Texas Parks and Wildlife.

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Authors
Henn, M., Nichols, H., Zhang, Y., & Bonner, T. H.
Affiliations
Texas State University (US)
Corresponding author
Henn, Monika
Venue
Journal of Freshwater Ecology
Published
2014-04-03
Volume
29
Issue
3
Pages
307-318
ISSN
  • 0270-5060 (ISSN-L)
  • 2156-6941
OpenAlex
W1987982706
Cited by
32
References
36
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 5 · 2022: 2 · 2021: 1 · 2020: 9 · 2019: 4 · 2018: 2 · 2017: 1 · 2015: 2 · 2014: 1
FWCI
1.15
Type
journal article
Language
en
Open access
Locations
Journal of Freshwater Ecology (publishedVersion)
Funders
  • Texas Parks and Wildlife Department
  • Texas State University
Topics
  • Physical Sciences › Environmental Science › Ecology › Freshwater macroinvertebrate diversity and ecology
  • Physical Sciences › Environmental Science › Global and Planetary Change › Impact of Light on Environment and Health
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
Keywords
artificial light, light pollution, insect larvae, urban rivers, circadian rhythm, insect abundance, Simuliidae, Baetidae, karst springs, Edwards Plateau, urbanization impacts

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