Ecological risk assessment: Risk for what? How do we decide?

Peter Calow

    Research output: Contribution to journalArticlepeer-review

    58 Scopus citations


    Ecological risk assessment is defined both in theory and in practice. To do it properly, we need to know what targets we are protecting, but these targets are not always obvious and clearly defined. The pragmatic approach, used most generally in the context of environmental protection legislation, is the risk quotient method. Two other approaches involving more transparency and ecological relevance are critically assessed. One is based on species sensitivity distributions; the other is based on generalized population dynamics. Challenges for the future are considered.

    Original languageEnglish (US)
    Pages (from-to)15-18
    Number of pages4
    JournalEcotoxicology and Environmental Safety
    Issue number1-2
    StatePublished - May 1998


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