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The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups
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Diversification in evolutionary arenas-Assessment and synthesis.

Nicolai M Nürk1, H Peter Linder2, Renske E Onstein3

  • 1Department of Plant Systematics Bayreuth Center of Ecology and Environmental Research (BayCEER) University of Bayreuth Bayreuth Germany.

Ecology and Evolution
|July 2, 2020
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Summary
This summary is machine-generated.

This study introduces the Evolutionary Arena framework to understand evolutionary diversification rates. It links diversification to abiotic, biotic, and trait factors, enabling comparative research across diverse clades and regions.

Keywords:
adaptive radiationconifer phylogenymacroevolutionary theoryphylogenetic comparative methodsspecies diversificationtrait disparification

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Area of Science:

  • Evolutionary Biology
  • Ecology
  • Biogeography

Background:

  • Evolutionary diversification rates are influenced by complex interactions, including adaptive radiation and evolutionary stasis.
  • A unified framework is needed to study and quantify the dynamics of diversification across different scales.

Purpose of the Study:

  • To review and synthesize central concepts in evolutionary diversification literature.
  • To propose a general framework, the 'Evolutionary Arena', for studying diversification rates.
  • To quantify the dynamics of diversification as a function of abiotic, biotic, and clade-specific traits.

Main Methods:

  • Developed a general framework: diversification rate (d) = f(abiotic environment (a), biotic environment (b), clade-specific traits (c)).
  • Outlined analytical approaches for the framework.
  • Applied the framework to a case study on conifers and discussed conceptual examples (Lupinus, oceanic islands, Ophrys).

Main Results:

  • The conifer case study supports the hypothesis that low competition and high niche evolution rates drive diversification.
  • Conceptual examples demonstrate the framework's utility in structuring future research on evolutionary radiations.
  • The framework facilitates comparative analysis across studies, fostering new syntheses of evolutionary and ecological processes.

Conclusions:

  • The Evolutionary Arena framework provides a quantitative and comparative approach to understanding variation in evolutionary rates.
  • It integrates abiotic, biotic, and trait-based factors to explain diversification dynamics.
  • This synthetic approach enhances the general understanding of evolutionary radiations.