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Nitrogen and phosphorus fertilization consistently favor pathogenic over mutualistic fungi in grassland soils

Author

Listed:
  • Ylva Lekberg

    (MPG Ranch
    University of Montana)

  • Carlos A. Arnillas

    (University of Toronto – Scarborough)

  • Elizabeth T. Borer

    (University of Minnesota)

  • Lorinda S. Bullington

    (MPG Ranch)

  • Noah Fierer

    (University of Colorado
    Cooperative Institute for Research in Environmental Sciences, University of Colorado)

  • Peter G. Kennedy

    (University of Minnesota)

  • Jonathan W. Leff

    (Independent Researcher)

  • Angela D. Luis

    (University of Montana)

  • Eric W. Seabloom

    (University of Minnesota)

  • Jeremiah A. Henning

    (University of Minnesota
    University of South Alabama)

Abstract

Ecosystems across the globe receive elevated inputs of nutrients, but the consequences of this for soil fungal guilds that mediate key ecosystem functions remain unclear. We find that nitrogen and phosphorus addition to 25 grasslands distributed across four continents promotes the relative abundance of fungal pathogens, suppresses mutualists, but does not affect saprotrophs. Structural equation models suggest that responses are often indirect and primarily mediated by nutrient-induced shifts in plant communities. Nutrient addition also reduces co-occurrences within and among fungal guilds, which could have important consequences for belowground interactions. Focusing only on plots that received no nutrient addition, soil properties influence pathogen abundance globally, whereas plant community characteristics influence mutualists, and climate influence saprotrophs. We show consistent, guild-level responses that enhance our ability to predict shifts in soil function related to anthropogenic eutrophication, which can have longer-term consequences for plant communities.

Suggested Citation

  • Ylva Lekberg & Carlos A. Arnillas & Elizabeth T. Borer & Lorinda S. Bullington & Noah Fierer & Peter G. Kennedy & Jonathan W. Leff & Angela D. Luis & Eric W. Seabloom & Jeremiah A. Henning, 2021. "Nitrogen and phosphorus fertilization consistently favor pathogenic over mutualistic fungi in grassland soils," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23605-y
    DOI: 10.1038/s41467-021-23605-y
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    Cited by:

    1. Eric W. Seabloom & Maria C. Caldeira & Kendi F. Davies & Linda Kinkel & Johannes M. H. Knops & Kimberly J. Komatsu & Andrew S. MacDougall & Georgiana May & Michael Millican & Joslin L. Moore & Luis I., 2023. "Globally consistent response of plant microbiome diversity across hosts and continents to soil nutrients and herbivores," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. J. M. Lavallee & M. Chomel & N. Alvarez Segura & F. Castro & T. Goodall & M. Magilton & J. M. Rhymes & M. Delgado-Baquerizo & R. I. Griffiths & E. M. Baggs & T. Caruso & F. T. Vries & M. Emmerson & D., 2024. "Land management shapes drought responses of dominant soil microbial taxa across grasslands," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Zhu, Jinjin & Niu, Wenquan & Zhang, Zhenhua & Siddique, Kadambot H.M. & Dan Sun, & Yang, Runya, 2022. "Distinct roles for soil bacterial and fungal communities associated with the availability of carbon and phosphorus under aerated drip irrigation," Agricultural Water Management, Elsevier, vol. 274(C).
    4. Guangzhou Wang & Haley M. Burrill & Laura Y. Podzikowski & Maarten B. Eppinga & Fusuo Zhang & Junling Zhang & Peggy A. Schultz & James D. Bever, 2023. "Dilution of specialist pathogens drives productivity benefits from diversity in plant mixtures," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    5. Anu Eskelinen & Maria-Theresa Jessen & Hector A. Bahamonde & Jonathan D. Bakker & Elizabeth T. Borer & Maria C. Caldeira & W. Stanley Harpole & Meiyu Jia & Luciola S. Lannes & Carla Nogueira & Harry O, 2023. "Herbivory and nutrients shape grassland soil seed banks," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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