Trait‐dependent diversification in angiosperms: Patterns, models and data

Author:

Helmstetter Andrew J.1ORCID,Zenil‐Ferguson Rosana2,Sauquet Hervé34,Otto Sarah P.5,Méndez Marcos6,Vallejo‐Marin Mario7,Schönenberger Jürg8,Burgarella Concetta9,Anderson Bruce10ORCID,de Boer Hugo11,Glémin Sylvain712,Käfer Jos1314

Affiliation:

1. Fondation pour la recherche sur la biodiversité—CEntre de Synthèse et d'Analyse sur la Biodiversité Montpellier France

2. Department of Biology University of Kentucky Lexington Kentucky USA

3. National Herbarium of New South Wales Royal Botanic Gardens and Domain Trust Sydney New South Wales Australia

4. Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences University of New South Wales Sydney Australia

5. Department of Zoology University of British Columbia Vancouver British Columbia Canada

6. Area of Biodiversity and Conservation Universidad Rey Juan Carlos Móstoles Madrid Spain

7. Department of Ecology and Genetics Uppsala University Uppsala Sweden

8. Department of Botany and Biodiversity Research University of Vienna Vienna Austria

9. Department of Organismal Biology University of Uppsala Uppsala Sweden

10. Department of Botany and Zoology University of Stellenbosch Matieland South Africa

11. Natural History Museum University of Oslo Oslo Norway

12. CNRS, Ecosystèmes Biodiversité Evolution (Université de Rennes) Rennes France

13. Université de Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive UMR 5558 Villeurbanne France

14. DIADE, Université de Montpellier, IRD, CIRAD Montpellier France

Abstract

AbstractVariation in species richness across the tree of life, accompanied by the incredible variety of ecological and morphological characteristics found in nature, has inspired many studies to link traits with species diversification. Angiosperms are a highly diverse group that has fundamentally shaped life on earth since the Cretaceous, and illustrate how species diversification affects ecosystem functioning. Numerous traits and processes have been linked to differences in species richness within this group, but we know little about their relative importance and how they interact. Here, we synthesised data from 152 studies that used state‐dependent speciation and extinction (SSE) models on angiosperm clades. Intrinsic traits related to reproduction and morphology were often linked to diversification but a set of universal drivers did not emerge as traits did not have consistent effects across clades. Importantly, SSE model results were correlated to data set properties – trees that were larger, older or less well‐sampled tended to yield trait‐dependent outcomes. We compared these properties to recommendations for SSE model use and provide a set of best practices to follow when designing studies and reporting results. Finally, we argue that SSE model inferences should be considered in a larger context incorporating species' ecology, demography and genetics.

Funder

Fondation pour la Recherche sur la Biodiversite

Publisher

Wiley

Subject

Ecology, Evolution, Behavior and Systematics

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