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Speciation gradients and the distribution of biodiversity

Author

Listed:
  • Dolph Schluter

    (Biodiversity Research Centre, University of British Columbia
    University of British Columbia)

  • Matthew W. Pennell

    (Biodiversity Research Centre, University of British Columbia
    University of British Columbia)

Abstract

Global patterns of biodiversity are influenced by spatial and environmental variations in the rate at which new species form. We relate variations in speciation rates to six key patterns of biodiversity worldwide, including the species–area relationship, latitudinal gradients in species and genetic diversity, and between-habitat differences in species richness. Although they sometimes mirror biodiversity patterns, recent rates of speciation, at the tip of the tree of life, are often highest where species richness is low. Speciation gradients therefore shape, but are also shaped by, biodiversity gradients and are often more useful for predicting future patterns of biodiversity than for interpreting the past.

Suggested Citation

  • Dolph Schluter & Matthew W. Pennell, 2017. "Speciation gradients and the distribution of biodiversity," Nature, Nature, vol. 546(7656), pages 48-55, June.
    • Handle: RePEc:nat:nature:v:546:y:2017:i:7656:d:10.1038_nature22897
    DOI: 10.1038/nature22897
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    Cited by:

    1. John McEnany & Benjamin H. Good, 2024. "Predicting the first steps of evolution in randomly assembled communities," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. Jan Smyčka & Anna Toszogyova & David Storch, 2023. "The relationship between geographic range size and rates of species diversification," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    3. Felipe O. Cerezer & Cristian S. Dambros & Marco T. P. Coelho & Fernanda A. S. Cassemiro & Elisa Barreto & James S. Albert & Rafael O. Wüest & Catherine H. Graham, 2023. "Accelerated body size evolution in upland environments is correlated with recent speciation in South American freshwater fishes," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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