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Climate-driven changes in the composition of New World plant communities

Author

Listed:
  • K. J. Feeley

    (University of Miami
    Fairchild Tropical Botanic Garden)

  • C. Bravo-Avila

    (University of Miami
    Fairchild Tropical Botanic Garden)

  • B. Fadrique

    (University of Miami)

  • T. M. Perez

    (University of Miami
    Fairchild Tropical Botanic Garden)

  • D. Zuleta

    (Universidad Nacional de Colombia Sede Medellín
    Smithsonian Tropical Research Institute)

Abstract

Climate change is altering the distributions of species, which in turn causes shifts in the composition of plant communities. Specifically, rising temperatures should cause increasing relative abundances of heat-loving or heat-tolerant species (that is, ‘thermophilization’) and changes in precipitation should cause altered abundances of water-demanding species. We analysed millions of records of thousands of species and found that the plant communities in most ecoregions in North, Central and South America have experienced thermophilization over the past four decades (1970–2011). Thermophilization was fastest in ecoregions with intermediate temperatures and was positively correlated with warming rates within many biomes. Changes in the relative abundances of water-demanding species were less consistent and were not correlated with changes in precipitation, meaning that the drought sensitivity of some ecoregions may be increasing despite decreasing rainfall and increasing probabilities of drought. Climate-driven changes in plant community composition will affect the function and stability of New World ecoregions.

Suggested Citation

  • K. J. Feeley & C. Bravo-Avila & B. Fadrique & T. M. Perez & D. Zuleta, 2020. "Climate-driven changes in the composition of New World plant communities," Nature Climate Change, Nature, vol. 10(10), pages 965-970, October.
    • Handle: RePEc:nat:natcli:v:10:y:2020:i:10:d:10.1038_s41558-020-0873-2
    DOI: 10.1038/s41558-020-0873-2
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    Cited by:

    1. Stephan Kambach & Francesco Maria Sabatini & Fabio Attorre & Idoia Biurrun & Gerhard Boenisch & Gianmaria Bonari & Andraž Čarni & Maria Laura Carranza & Alessandro Chiarucci & Milan Chytrý & Jürgen De, 2023. "Climate-trait relationships exhibit strong habitat specificity in plant communities across Europe," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Yingxiao Zhang & Allison L. Steiner, 2022. "Projected climate-driven changes in pollen emission season length and magnitude over the continental United States," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Imran Khaliq & Christian Rixen & Florian Zellweger & Catherine H. Graham & Martin M. Gossner & Ian R. McFadden & Laura Antão & Jakob Brodersen & Shyamolina Ghosh & Francesco Pomati & Ole Seehausen & T, 2024. "Warming underpins community turnover in temperate freshwater and terrestrial communities," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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