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Two Requirements for Obtaining Valid Common Patterns under Different Assumptions in Vicariance Biogeography.

Marco G P van Veller¹, M Zandee¹, D J Kornet¹

¹Section Theoretical Biology and Phylogenetics, Institute of Evolutionary and Ecological Sciences, Leiden University, P.O. Box 9516, 2300 RA Leiden, The Netherlands.

Cladistics : the International Journal of the Willi Hennig Society

|December 14, 2021

Summary

This summary is machine-generated.

Vicariance biogeography uses assumptions to infer area cladograms. This study proposes two requirements for valid general area cladograms, enhancing consistency and explanatory power in evolutionary studies.

Keywords:

assumptions common pattern explanatory power inclusion single-assumption comparison solution sets vicariance biogeography

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Area of Science:

Biogeography
Phylogenetics
Evolutionary Biology

Background:

Vicariance biogeography analyzes widespread or sympatric taxa using assumptions 0, 1, and 2.
Stricter assumptions provide less information about vicariance events but yield smaller solution sets for area cladograms.

Purpose of the Study:

To formulate requirements for obtaining valid general area cladograms from multiple monophyletic groups.
To ensure consistency between area cladograms and assumed evolutionary processes (vicariance, extinction, dispersal).

Main Methods:

Proposing two key requirements for valid general area cladograms: inclusivity of assumptions and comparison of single-group cladograms across different monophyletic groups under a single assumption.
Analyzing how these requirements impact the consistency and explanatory power of area cladograms.

Main Results:

Meeting the proposed requirements leads to area cladograms consistent with assumed evolutionary processes.
Increased explanatory power is achieved when valid general area cladograms include subsets derived from stricter assumptions.

Conclusions:

The study provides a framework for constructing robust general area cladograms in vicariance biogeography.
Adherence to the proposed requirements enhances the reliability of biogeographical inferences and understanding of evolutionary history.