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Air Pollution Can Disrupt Pollinating Insects By Concealing the Scent of Flowers 67

Posted by samzenpus
from the all-the-better-to-smell-you-with dept.
vinces99 writes Car and truck exhaust fumes that foul the air for humans also cause problems for pollinators. In new research on how pollinators find flowers when background odors are strong, University of Washington and University of Arizona researchers found that both natural plant odors and human sources of pollution can conceal the scent of sought-after flowers. When the calories from one feeding of a flower gets you only 15 minutes of flight, as is the case with the tobacco hornworn moth studied, being misled costs a pollinator energy and time. "Local vegetation can mask the scent of flowers because the background scents activate the same moth olfactory channels as floral scents," according to Jeffrey Riffell, UW assistant professor of biology. "Plus the chemicals in these scents are similar to those emitted from exhaust engines and we found that pollutant concentrations equivalent to urban environments can decrease the ability of pollinators to find flowers."
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Air Pollution Can Disrupt Pollinating Insects By Concealing the Scent of Flowers

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