A conceptual framework for prioritization of invasive alien species for management

摘要: The number of invasive alien species is increasing and so are the impacts these species cause to the environment and economies. Nevertheless, resources for management are limited, which makes prioritization unavoidable. We present a prioritization framework which can be useful for decisionmakers as it includes both a scientific impact assessment and the evaluation of impact importance by affected stakeholders. The framework is divided in five steps, namely 1) stakeholder selection and weighting of stakeholder importance by the decision-maker, 2) factual description and scoring of changes by scientists, 3) evaluation of the importance of impact categories by stakeholders, 4) calculation of weighted impact categories and 5) calculation of final impact score and decision-making. The framework could be used at different scales and by different authorities. Furthermore, it would make the decision-making …