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University of Delaware College of Earth, Ocean, and Environment professor Jonathan Cohen has co-written a new study that looks at how artificial light during the polar night disrupts Arctic fish and zooplankton behavior at depths to 200 m. According to the finding, published in Communications Biology, the disruption of species behavior so far down in the water column could introduce biases on stock assessments of commercial and noncommercial fish species.
“You’re trying to measure and understand the position of animals in the water column, a process that’s very light sensitive, and you’re completely changing the light environment around you,” Cohen said. “In reality, it’s completely impossible to…READ MORE