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  • 2021_05_REVISED_CoLim_Stability

    Rights statement: This is the peer reviewed version of the following article:Carroll, O., Batzer, E., Bharath, S., Borer, E.T., Campana, S., Esch, E., et al. (2022) Nutrient identity modifies the destabilising effects of eutrophication in grasslands. Ecology Letters, 25, 754– 765. Available from: https://doi.org/10.1111/ele.13946 which has been published in final form at https://onlinelibrary.wiley.com/doi/10.1111/ele.13946 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

    Accepted author manuscript, 1.06 MB, PDF document

    Embargo ends: 27/12/22

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Nutrient identity modifies the destabilising effects of eutrophication in grasslands

Research output: Contribution to Journal/MagazineLetterpeer-review

Published
  • O. Carroll
  • E. Batzer
  • S. Bharath
  • E.T. Borer
  • S. Campana
  • E. Esch
  • Y. Hautier
  • T. Ohlert
  • E.W. Seabloom
  • P.B. Adler
  • J.D. Bakker
  • L. Biederman
  • M.N. Bugalho
  • M. Caldeira
  • Q. Chen
  • K.F. Davies
  • P.A. Fay
  • J.M.H. Knops
  • K. Komatsu
  • J.P. Martina
  • K.S. McCann
  • J.L. Moore
  • J.W. Morgan
  • T.O. Muraina
  • B. Osborne
  • A.C. Risch
  • P.A. Wilfahrt
  • L. Yahdjian
  • A.S. MacDougall
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<mark>Journal publication date</mark>30/04/2022
<mark>Journal</mark>Ecology Letters
Issue number4
Volume25
Number of pages12
Pages (from-to)754-765
Publication StatusPublished
Early online date27/12/21
<mark>Original language</mark>English

Abstract

Nutrient enrichment can simultaneously increase and destabilise plant biomass production, with co-limitation by multiple nutrients potentially intensifying these effects. Here, we test how factorial additions of nitrogen (N), phosphorus (P) and potassium with essential nutrients (K+) affect the stability (mean/standard deviation) of aboveground biomass in 34 grasslands over 7 years. Destabilisation with fertilisation was prevalent but was driven by single nutrients, not synergistic nutrient interactions. On average, N-based treatments increased mean biomass production by 21–51% but increased its standard deviation by 40–68% and so consistently reduced stability. Adding P increased interannual variability and reduced stability without altering mean biomass, while K+ had no general effects. Declines in stability were largest in the most nutrient-limited grasslands, or where nutrients reduced species richness or intensified species synchrony. We show that nutrients can differentially impact the stability of biomass production, with N and P in particular disproportionately increasing its interannual variability. 

Bibliographic note

This is the peer reviewed version of the following article:Carroll, O., Batzer, E., Bharath, S., Borer, E.T., Campana, S., Esch, E., et al. (2022) Nutrient identity modifies the destabilising effects of eutrophication in grasslands. Ecology Letters, 25, 754– 765. Available from: https://doi.org/10.1111/ele.13946 which has been published in final form at https://onlinelibrary.wiley.com/doi/10.1111/ele.13946 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.