Air Pollution: Floral Scents Going Off the Air?
2008
Air Pollution and Floral Scents
publication
Evidence: moderate
Author Information
Author(s): Jose Fuentes, Quinn McFrederick, James Kathilankal
Primary Institution: University of Virginia
Hypothesis
How does air pollution affect the ability of pollinators to detect floral scents?
Conclusion
Air pollution significantly alters floral scents, making it harder for pollinators to locate flowers.
Supporting Evidence
- Floral scents traveled four times farther in the 1840s than they do today due to air pollution.
- Pollinators rely on scents to find flowers, and the loss of these scents could jeopardize crops.
- Chemical reactions from air pollutants alter floral scents and produce harmful compounds.
Takeaway
Air pollution makes it difficult for bees and other insects to smell flowers, which could hurt their ability to find food.
Methodology
Researchers measured factors affecting floral scent emission and modeled different air pollution scenarios.
Limitations
The study does not directly link air pollution to colony collapse disorder in bees.
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