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Contributed Talk

Session: : Ecosystem Stability And Resilience 1

COS 173-6 - Multidimensional responses of ecological stability to eutrophication in grasslands

Wednesday, August 9, 2023
11:15 AM – 11:30 AM PDT
Location: D139

    Presenting Author(s)

  • QC

    Qingqing Chen

    Institute of Ecology, College of Urban and Environmental Science, Peking University, Beijing, China
    Beijing, NY, China (People's Republic)

    • Coauthor(s)

  • sw

    shaopeng wang

    Peking University, China (People's Republic)

  • EB

    Elizabeth T. Borer

    University of Minnesota
    Saint Paul, MN, United States

  • JB

    Jonathan D. Bakker

    Professor
    University of Washington, United States

  • ES

    Eric W W. Seabloom

    Department of Ecology, Evolution, and Behavior, University of Minnesota, Saint Paul, MN, United States

  • SH

    Stan Harpole

    Helmholtz Center for Environmental Research
    Leipzig, Germany

  • NE

    Nico Eisenhauer

    German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig
    Leipzig, Sachsen, Germany

  • YL

    Ylva Lekberg

    Ph.D Ecologist
    MPG Ranch/University of Montana
    Missoula, Montana, United States

  • YB

    Yvonne Buckley

    Trinity College Dublin, Ireland

  • JC

    Jane Catford

    King's College London, United Kingdom

  • CR

    Christiane Roscher

    Helmholtz Centre for Environmental Research, Physiological Diversity,, Germany

  • ID

    Ian Donohue

    Trinity College Dublin, Ireland

  • SP

    Sally A A. Power

    Hawkesbury Institute for the Environment, Western Sydney University, Sydney, Australia
    Sydney, New South Wales, Australia

  • PD

    Pedro Daleo

    Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina

  • AE

    Anne Ebeling

    University Jena, Germany

  • JK

    Johannes Knops

    Xián Jiaotong Liverpool University, United States

  • JM

    Jason P. Martina

    Assistant Professor
    Department of Biology, Texas State University, Texas, United States

  • AE

    Anu Eskelinen

    University of Oulu, Finland

  • JM

    John Morgan

    Department of Environment and Genetics, La Trobe University, Australia

  • AR

    Anita C Ritsch

    Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Community Ecology, Birmensdorf, Switzerland, Switzerland

  • MC

    Maria Caldeira

    University of Lisbon, Lisbon, Portugal

  • MB

    Miguel Bugalho

    University of Lisbon, Portugal

  • RV

    Risto Virtanen

    University of Oulu, Finland

  • IB

    Isabel Barrio

    Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Ireland

  • YN

    Yujie Niu

    University of Bayreuth, Germany

  • AJ

    Anke Jentsch

    Professor of Disturbance Ecology and Vegetation Dynamics
    University of Bayreuth
    Bayreuth, Bayern, Germany

  • CS

    Carly Stevens

    Lancaster University, United Kingdom

  • JA

    Juan Alberti

    Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina

  • YH

    Yann Hautier

    Utrecht University, Netherlands

Abstract: Eutrophication usually impacts biodiversity, species composition, and functioning of grassland communities. Whether such effects propagate to influence the stability of these community aspects is unknown. Using standardized experiments across 55 global grasslands, we quantified the effects of nutrient addition on five stability facets (i.e., temporal invariability and resistance during and recovery after dry and wet growing seasons) for three community aspects (i.e., aboveground biomass, community composition, and species richness). Nutrient addition reduced the temporal invariability and resistance of species richness and community composition, but not biomass, during dry and wet growing seasons. Temporal invariability and resistance during, but not recovery after, dry and wet growing seasons were strongly positively correlated in both ambient and eutrophic conditions. This indicates that maintaining and restoring the stability of plant communities requires increasing resistance rather than recovery. Harnessing the complexity of ecological stability provides new insights for grassland ecosystem sustainability in a changing world.