Belowground carabid beetle diversity in the western Palaearctic – effects of history and climate on range-restricted taxa (Coleoptera, Carabidae)
2011

Diversity of Belowground Carabid Beetles in the Western Palaearctic

Sample size: 39 publication Evidence: high

Author Information

Author(s): Andreas Schuldt, Thorsten Assmann

Primary Institution: Leuphana University Lüneburg

Hypothesis

There are weak links between belowground diversity and current climatic conditions, with a strong signal of history in the distribution patterns of belowground carabids.

Conclusion

The study found that species richness of belowground carabids is strongly influenced by historical processes and elevation range rather than current climate.

Supporting Evidence

  • Species richness of belowground carabids showed a clear latitudinal gradient, highest in southern Europe.
  • Richness was most strongly related to range in elevation.
  • Current climate variables explained less variation in species richness than historical factors.

Takeaway

This study looked at beetles that live underground and found that where they live is more about history and how high the land is than the current weather.

Methodology

The study analyzed country-level species and environmental data using regression modeling and variation partitioning.

Limitations

The study excluded Iceland and small countries, which may limit the generalizability of the findings.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.3897/zookeys.100.1540

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