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Community-level effects of plant traits in a grassland community examined by multispecies model of clonal plant growth

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  • Herben, Tomáš
  • Wildová, Radka

Abstract

We examine role of natality-related plant traits in a mountain grassland community. We use a spatially explicit, individual-based model of clonal plant population dynamics that includes traits of growth, resource allocation, response to competition, and spatial spread/plant architecture, and parameterize it for four co-occurring grass species. Field measurements of plant growth and architecture were used for parameterization; the subset of parameters that cannot be obtained by field estimation were estimated by fitting model predictions to a fine-scale time series of field data using a formalized gradient-descent procedure. The parameterized model was then validated with a separate set of fine-scale time series of field data.

Suggested Citation

  • Herben, Tomáš & Wildová, Radka, 2012. "Community-level effects of plant traits in a grassland community examined by multispecies model of clonal plant growth," Ecological Modelling, Elsevier, vol. 234(C), pages 60-69.
    • Handle: RePEc:eee:ecomod:v:234:y:2012:i:c:p:60-69
    DOI: 10.1016/j.ecolmodel.2011.06.012
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    References listed on IDEAS

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    1. Tomlinson, Kyle W. & Dominy, James G. & Hearne, John W. & O’Connor, Timothy G., 2007. "A functional-structural model for growth of clonal bunchgrasses," Ecological Modelling, Elsevier, vol. 202(3), pages 243-264.
    2. Lazzarotto, P. & Calanca, P. & Fuhrer, J., 2009. "Dynamics of grass–clover mixtures—An analysis of the response to management with the PROductive GRASsland Simulator (PROGRASS)," Ecological Modelling, Elsevier, vol. 220(5), pages 703-724.
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    Cited by:

    1. Oborny, B. & Mony, C. & Herben, T., 2012. "From virtual plants to real communities: A review of modelling clonal growth," Ecological Modelling, Elsevier, vol. 234(C), pages 3-19.

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