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Title: A simulation model of Rhizome networks for Fallopia japonica (Japanese Knotweed) in the United Kingdom
Authors: Smith, J.M.D.
Ward, John P.
Child, Lois E.
Owen, M.R.
Keywords: Japanese knotweed
Fallopia japonica
Ronse Decraene
Correlated random walk
Rhizome morphology
Clonal plant
Invasive alien weed
Issue Date: 2007
Publisher: © Elsevier
Citation: SMITH, J.M.D. ... et al, 2007. A simulation model of Rhizome networks for Fallopia japonica (Japanese Knotweed) in the United Kingdom. Ecological Modelling, 200 (3/4), pp.421-432.
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.
Description: This article was published in the journal, Ecological Modelling [© Elsevier]. The definitive version is available at: www.elsevier.com/locate/ecolmodel
Version: Accepted for publication
DOI: 10.1016/j.ecolmodel.2006.08.004
URI: https://dspace.lboro.ac.uk/2134/2366
ISSN: 0304-3800
Appears in Collections:Published Articles (Chemistry)

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