A study looking at the impacts of common air pollutants has found that flower pollination is significantly lower where pollution is present.
The presence of air pollution, even at levels lower than US national guidelines, appeared to be interfering with the insects’ ability to sniff out flowers and could reduce rates of pollination in areas where air pollution is high, they said.
While the researchers said they anticipated their field trial to concur with previous laboratory studies, they weren’t expecting such strong results. “The decreases in flower visitation due to air pollution were almost certainly associated with the disruption of floral odour cues.”
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