Masters Thesis

A spatially explicit individual-based plant invasion model of Cortaderia jubata

It is the intent of this study to simulate the invasion of Cortaderia jubata, jubata grass, into a disturbed second growth redwood forest where the dynamics of the grass and its relationship to the environment are explored through a spatially explicit individual based landscape model. The field of neighborhood approach is used to simulate both the evolution of the forest and the grass. What is of particular interest is the success of the invader in terms of spatial distribution and time with regard to varying disturbance regimes. To assess these qualities, seed dispersal and the field of neighborhood each plant exerts are used to parameterize the model and a measurable plant attribute, self thinning, not included in the model assumptions, is used to test the model's validity.

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