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Title: Mapping ecological risks with a portfolio-based technique: incorporating uncertainty and decision-making preferences
Author: Yemshanov, Denys; Koch, Frank H.; Ducey, Mark; Koehler, Klaus;
Source: Diversity and Distributions 19:567–579
Publication Series: Scientific Journal (JRNL)
Description: Geographic mapping of risks is a useful analytical step in ecological risk assessments and in particular, in analyses aimed to estimate risks associated with introductions of invasive organisms. In this paper, we approach invasive species risk mapping as a portfolio allocation problem and apply techniques from decision theory to build an invasion risk map that combines risk and uncertainty in a single map product.
Keywords: Epistemic uncertainty, human-assisted spread, invasibility, mean-variance frontier, road network, stochastic dominance
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Yemshanov, Denys; Koch, Frank H.; Ducey, Mark; Koehler, Klaus 2013. Mapping ecological risks with a portfolio-based technique: incorporating uncertainty and decision-making preferences. Diversity and Distributions 19:567–579.
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