Does Global Warming Increase Establishment Rates of Invasive Alien Species? A Centurial Time Series Analysis
2011

Impact of Global Warming on Invasive Alien Insect Species

Sample size: 54 publication 10 minutes Evidence: high

Author Information

Author(s): Huang Dingcheng, Haack Robert A., Zhang Runzhi

Primary Institution: Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Hypothesis

Does global warming increase the establishment rates of invasive alien species?

Conclusion

Global warming significantly contributes to the increasing establishment rates of invasive alien insects.

Supporting Evidence

  • A 1°C increase in average annual surface temperature corresponds to an increase of about 0.5 invasive alien insect species per year.
  • The relationship between temperature and establishment rates remained significant even after accounting for international trade.
  • Similar trends were observed in the United Kingdom and the contiguous United States.

Takeaway

As the Earth gets warmer, more invasive insects are able to settle in new places, which can cause problems for local ecosystems.

Methodology

Regression analysis was used to model the relationship between average annual surface air temperature and the establishment rate of invasive alien insects from 1900 to 2005.

Potential Biases

Potential biases in data collection methods and historical records of species introductions.

Limitations

The study may not account for all factors influencing establishment rates, such as biotic traits and human disturbance.

Participant Demographics

Data collected from mainland China, the United Kingdom, and the contiguous United States.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024733

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