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    Author(s): Denys Yemshanov; Frank H. Koch; Mark Ducey; Klaus Koehler
    Date: 2013
    Source: Diversity and Distributions 19:567–579
    Publication Series: Scientific Journal (JRNL)
    Station: Southern Research Station
    PDF: View PDF  (995.43 KB)

    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.

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    Citation

    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.

    Keywords

    Epistemic uncertainty, human-assisted spread, invasibility, mean-variance frontier, road network, stochastic dominance

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