Novel fuzzy based model on analysis of invasiveness due to dispersal related traits of plants

다국어 초록 (Multilingual Abstract)

Invasive Alien Species (IAS) can be considered as a serious threat to the existence of the biodiversity as they alter physical, chemical and biological components of the environment. Invasive potential of species can be recognized by their biological traits. Therefore, it is very important, if a model could be developed to measure the biological risk of plant species before introducing to a new environment. This work aims to incorporate dispersal related biological traits into a mathematical model to evaluate the risk of plant species. To build up the model, four factors of dispersal traits have been considered and grade of important weights of these traits towards invasiveness was assigned as explained in Chang's extent analysis and Buckly's methods (Column geometric mean method). The present model is found to be a better tracking system for identifying potential invaders compared to the conventional manually conducted risk assessment methods when incorporated with important weights as per Chang's extent analysis.

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