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by: Vivienne Cole & Jochen Albrecht
Many of the recent studies of vegetation spread and the invasion of introduced species incorporate GIS and some form of dynamic modelling in one- or two-dimensional space. Most work, however, concentrates on presenting a predetermined model in an abstract computer simulation environment. The focus has been on the system’s ability to display the model (results), as opposed to its ability to develop or compose a model, acting as a creative tool in an applied situation. The research presented in this paper uses a GIS-based cellular automata (CA) framework to study and create an applied and ecologically significant model of spread for the invasive plant species Rhamnus alaternus. (more…)