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Spectrum of artificial light at night drives impact of a diurnal species in insect food web
Different colors of artificial night light affect daytime animals in insect food webs
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Abstract
Exposure to seven different light spectra at night affected parasitoid efficiency, resulting in higher aphid densities.
- Aphid population growth was initially unaffected by artificial light at night (ALAN).
- Most ALAN light spectra led to a decline in parasitoid efficiency.
- Reduced parasitoid efficiency resulted in decreased top-down control of aphid populations.
- Higher aphid densities were observed under various ALAN conditions.
- These findings suggest that the specific spectrum of ALAN may significantly influence ecological interactions.
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