Study shows advances in street lighting are reducing the efficacy of coastal species' camouflage PlymUni
New research has demonstrated that these new lighting technologies can significantly improve a predator's ability to discriminate prey species against a natural background.
Oak McMahon, who led the research while studying for an MSc in Applied Marine Science and is now a Ph.D. candidate at the University of Plymouth, said:"This study clearly indicates that new lighting technologies will increase the conspicuousness ofby reducing the efficacy of their camouflage. Our findings revealed that species of Littorinid snails found commonly on our coastlines will remain camouflaged when illuminated by older style lighting.
Street lighting creates an artificial glow in the night sky above Plymouth and the surrounding areas. Credit: Thomas Davies, University of Plymouth Dr. Tim Smyth, PML Head of Science for Marine Biogeochemistry and Observations and co-author on the research, added:"The ability to light our environment around the clock has transformed the urban landscapes over the past century and has ushered in what some call the Urbanocene. The shift from the orange glow over cities, typical of my youth in the 1970s and 80s, has now shifted much more towards energy efficient wide spectrum LEDs which even enables us humans to correctly perceive color.
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