Diversity Changes in Parasitoid Wasps in Churchill, Manitoba
Author Information
Author(s): Jose Fernandez-Triana, M. Alex Smith, Caroline Boudreault, Henri Goulet, Paul D. N. Hebert, Adam C. Smith, Rob Roughley
Primary Institution: Department of Integrative Biology and Biodiversity, Institute of Ontario, Guelph, Ontario, Canada
Hypothesis
Climate change will have profound and unanticipated effects on species distributions.
Conclusion
The study found a dramatic change in the species composition of parasitoid wasps in Churchill over the past 50–70 years, likely due to rising temperatures.
Supporting Evidence
- The study revealed 79 species of microgastrine wasps, with 20% still awaiting detection.
- Species composition differed significantly between historical and contemporary collections.
- Contemporary species were more affiliated with southern collections, indicating a shift in community structure.
Takeaway
Scientists looked at wasps in Churchill, Canada, and found that many species have disappeared or changed because of climate change.
Methodology
The study compared historical and contemporary collections of parasitoid wasps using morphological and DNA barcoding techniques.
Potential Biases
Potential biases may arise from the reliance on historical collections and the taxonomic challenges within the group.
Limitations
The study's findings may be influenced by differences in sampling methods and natural fluctuations in species abundance.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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