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A simulation model of rhizome networks for Fallopia japonica (Japanese knotweed) in the United Kingdom

Author

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  • Smith, J.M.D.
  • Ward, J.P.
  • Child, L.E.
  • Owen, M.R.

Abstract

Fallopia japonica (Japanese knotweed) is an aggressively invasive herbaceous perennial that causes substantial economic and environmental damage in the United Kingdom (UK). As such, it is of considerable concern to councils, environmental groups, private landowners and property developers. We construct a 3D correlated random walk model of the development of the subterranean rhizome network for a single stand of F. japonica. The formulation of this model uses detailed knowledge of the morphology and physiology of the plant, both of which differ in the UK to that of its native habitat due to factors including a lack of predation and competition, longer growth seasons and favourable environmental conditions in the UK. Field data obtained as a part of this study are discussed and used in the model for parameterisation and validation. The simulation captures the field data well and predicts, for example, quadratic growth in time for the stand area. Furthermore, the role of a selection of parameters on long-term stand development are discussed, highlighting some key factors affecting vegetative spread rates.

Suggested Citation

  • Smith, J.M.D. & Ward, J.P. & Child, L.E. & Owen, M.R., 2007. "A simulation model of rhizome networks for Fallopia japonica (Japanese knotweed) in the United Kingdom," Ecological Modelling, Elsevier, vol. 200(3), pages 421-432.
    • Handle: RePEc:eee:ecomod:v:200:y:2007:i:3:p:421-432
    DOI: 10.1016/j.ecolmodel.2006.08.004
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    Cited by:

    1. Tyre, Andrew & Kerr, Gregory D. & Tenhumberg, Brigitte & Bull, C. Michael, 2007. "Identifying mechanistic models of spatial behaviour using pattern-based modelling: An example from lizard home ranges," Ecological Modelling, Elsevier, vol. 208(2), pages 307-316.
    2. Sintes, Tomás & Moragues, E. & Traveset, A. & Rita, J., 2007. "Clonal growth dynamics of the invasive Carpobrotus affine acinaciformis in Mediterranean coastal systems: A non-linear model," Ecological Modelling, Elsevier, vol. 206(1), pages 110-118.
    3. 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.
    4. Lavallée, François & Smadi, Charline & Alvarez, Isabelle & Reineking, Björn & Martin, François-Marie & Dommanget, Fanny & Martin, Sophie, 2019. "A stochastic individual-based model for the growth of a stand of Japanese knotweed including mowing as a management technique," Ecological Modelling, Elsevier, vol. 413(C).

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