Problems that arose during research was the lack of literature associated for each category of inasive species assessment. Solid quantifiable data such as the ratio of inasive plant species abundance to native species abundance was non-existant. For this, more research in the field is neccessary. Figures such as cost was uncertain, in terms of annual investment, there was no data, only potential costs of implication of herbicides and protective barriers. Still some insight was drawn from the minimal data that was provided. Future assessment methods can draw on the bioecomic framework, but the devised numerical value of threat determined for each invasive species is perhaps insignificant to the threats of all the invasive species combined.
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