Air Travel and Biological Invasion Risk
Author Information
Author(s): Tatem Andrew J, Hay Simon I
Primary Institution: University of Oxford
Hypothesis
How does the worldwide airline transportation network influence the risk of biological invasion through climatic similarity?
Conclusion
The study finds that the worldwide airline transportation network connects climatically similar regions, increasing the risk of biological invasion, especially during peak travel months.
Supporting Evidence
- The study shows that climatically similar airports are often geographically distant, increasing the risk of biological exchange.
- Traffic volumes peak during the summer months, coinciding with the highest climatic similarity.
- Airports with high traffic from climatically similar regions are at greater risk for biological invasions.
Takeaway
Airplanes can help plants and animals move to new places, which can be bad for the environment. This study shows that flights between similar climates can make it easier for these invaders to spread.
Methodology
The study analyzed flight schedule data from over 800 airlines and calculated climatic similarity using Euclidean distances between airport climates.
Potential Biases
Potential biases may arise from the reliance on flight data and climatic models that do not account for all variables affecting species invasions.
Limitations
The analysis is based on available flight data and climatic models, which may not capture all ecological factors influencing biological invasions.
Digital Object Identifier (DOI)
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