Bees' ability to forage decreases as air pollution increases

Discussion in 'Earth Science' started by Plazma Inferno!, Jul 8, 2016.

  1. Plazma Inferno! Ding Ding Ding Ding Administrator

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    Air pollutants interact with and break down plant-emitted scent molecules, which insect pollinators use to locate needed food, according to a team of researchers led by Penn State. The pollution-modified plant odors can confuse bees and, as a result, bees' foraging time increases and pollination efficiency decreases. This happens because the chemical interactions decrease both the scent molecules' life spans and the distances they travel.
    New study reported that, as air pollution increases, hydrocarbons' lifetime and travel distance decreases. For example, at 60 parts per billion ozone levels, which the U.S. Environmental Protection Agency considers a 'moderate' level, the researchers found that enough chemical changes took place to thoroughly confuse bees and hinder their ability to identify the plumes of floral scents they needed to locate food.

    http://phys.org/news/2016-07-bees-ability-forage-decreases-air.html
     
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  3. ajanta Registered Senior Member

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