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  • Genome size influences plant growth and biodiversity responses to nutrient fertilization in diverse grassland communities
  • Morton, Joseph A; PhD Student; Queen Mary University of London
    Hersch-Green, Erika; Associate Professor (corresponding author); Michigan Technological University
    Leitch, Ilia J; Royal Botanic Gardens Kew
    Leitch, Andrew R; Queen Mary University of London
    Arnillas, Carlos A; University of Toronto Scarborough
    Biedermann, L; Iowa State University
    Borer, Elizabeth T; University of Minnesota
    Brudvig, Lars A; Michigan State University
    Buckley, Yvonne M; Trinity College Dublin
    Cadotte, Marc; University of Toronto Scarborough
    Davies, Kendi; University of Colorado Boulder
    Donohue, Ian; Trinity College Dublin
    Anne, Ebeling; Friedrich Schiller University Jena
    Eisenhauer, Nico; Universität Leipzig
    Estrada, Catalina; Imperial College London
    Haider, Sylvia; Leuphana University of Lüneburg
    Hautier, Yann; University of Utrecht
    Jentsch, Anke; University of Bayreuth
    Martinson, Holly; McDaniel College Westminster
    Rebecca, McCulley; Universiy of Kentucky
    Raynaud, Xavier; Sorbonne Université, Paris
    Roscher, Christian; Helmholtz Centre for Environmental Research
    Seabloom, Eric; University of Minnesota
    Stevens, Carly J; Lancaster University
    Vesela, Katerina; Queen Mary University of London
    Wallace, Alison; Minnesota State University Moorhead
  • 2024-10-02
  • Morton, J.A., E. Hersch-Green, I.J. Leitch, A.R. Leitch, C.A. Arnillas, L. Biedermann, E.T. Borer, L.A. Brudvig, Y.M. Buckley, M. Cadotte, K. Davies, I. Donohue, E. Anne, N. Eisenhauer, C. Estrada, S. Haider, Y. Hautier, A. Jentsch, H. Martinson, M. Rebecca, X. Raynaud, C. Roscher, E. Seabloom, C.J. Stevens, K. Vesela, and A. Wallace. 2024. Genome size influences plant growth and biodiversity responses to nutrient fertilization in diverse grassland communities ver 3. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).
  • Experiments comparing diploids with polyploids and in single grassland sites show that nitrogen and/or phosphorus availability influences plant growth and community composition dependent on genome size; specifically plants with larger genomes grow faster under nutrient enrichments relative to those with smaller genomes. However, it is unknown if these effects are specific to particular site localities with speciifc plant assemblages, climates, and historical contingencies. To determine the generality of genome size dependent growth responses to nitrogen and phosphorus fertilisation, we combined genome size and species abundance data from 27 coordinated grassland nutrient addition experiments in the Nutrient Network that occur in the Northern Hemisphere across a range of climates and grassland communities. We found that after nitrogen treatment, species with larger genomes generally increased more in cover compared to those with smaller genomes, potentially due to a release from nutrient limitation. Responses were strongest for C3 grasses and in less seasonal, low precipitation environments, indicating that genome size effects on water-use-efficiency modulates genome size-nutrient interactions. Cumulatively the data suggest that genome size is informative and improves predictions of species’ success in grassland communities.

  • N: 53.99      S: 31.04      E: 11.88      W: -123.63
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  • DOI PLACE HOLDER
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