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Understanding the Processes Underpinning Patterns of Phylogenetic Regionalization
Barnabas H Daru1, Tammy L Elliott2, Daniel S Park3
1Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA; Department of Plant Sciences, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa.
Trends in Ecology & Evolution
|September 19, 2017
Summary
Phylogenetic regionalization classifies biodiversity patterns using evolutionary history. This approach offers new insights into biodiversity distribution and the processes shaping it.
Area of Science:
- Ecology
- Biogeography
- Evolutionary Biology
Background:
- Understanding biodiversity distribution is crucial.
- Traditional regionalization methods focus on species composition.
- Incorporating phylogenetic information offers new perspectives.
Purpose of the Study:
- To introduce and advocate for phylogenetic regionalization as a method for classifying biodiversity.
- To explore the underlying processes (dispersal limitation, extinction, speciation, niche conservatism) that form phylogenetically distinct biogeographic units.
- To demonstrate how phylogenetic regionalization can identify evolutionary centers and biodiversity hotspots.
Main Methods:
- Developing a framework for phylogenetic regionalization.
- Analyzing species assemblages and their phylogenetic relationships.
- Distinguishing between evolutionary processes based on regionalization patterns.
Main Results:
- Phylogenetic regionalization provides a rigorous and objective classification of regional diversity.
- This method can identify centers of evolutionary radiation, museums of diversity, and extinction hotspots.
- It enhances understanding of the mechanisms driving biodiversity patterns.
Conclusions:
- Phylogenetic regionalization is a powerful tool for biogeographic analysis.
- It offers novel insights into the generation, distribution, and maintenance of biodiversity.
- This approach improves our knowledge of global biodiversity patterns and evolutionary history.
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