The impacts of artificial light at night (ALAN) spectral composition on key behavioral traits of a sandy beach isopod

Sep 15, 2024Marine pollution bulletin

How different colors of artificial light at night affect behavior in sandy beach isopods

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Abstract

All artificial light at night (ALAN) sources examined disrupt isopod activity and feeding behavior.

  • High-Pressure Sodium lamps and both warm and cool white LEDs were tested against natural light conditions.
  • Cool white LEDs caused the most severe disruption to isopod activity and feeding, while warm LEDs had the least severe impact.
  • Growth of the isopod Tylos spinulosus was only minimally affected by ALAN.
  • Warm LEDs may be more suitable for mitigating the effects of ALAN on isopods.

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