Acta Biotheoretica

, Volume 52, Issue 3, pp 201–217

Current Issues in Statistics and Models for Ecotoxicological Risk Assessment


  • Nelly van der Hoeven
    • ECOSTATInstitute of Biology, Leiden University

DOI: 10.1023/B:ACBI.0000043442.05899.8c

Cite this article as:
van der Hoeven, N. Acta Biotheor (2004) 52: 201. doi:10.1023/B:ACBI.0000043442.05899.8c


A review is given on statistical and modelling issues in ecotoxicology. The issues discussed are:

1. How to estimate an (almost) no effect concentration chemicals in the laboratory.

2. Combining single-species acceptable effect levels to an acceptable effect level for a multi-species ecosystem.

3. The combined effect of exposure to several chemicals.

4. Bioavailability in the natural environment and food-web models.

Most current procedures in setting standards allow the environmental concentration to be above the acceptable effect concentration for a small fraction of the species. It is shown that a considerable part of the fraction of the affected species will suffer a severe effect.

bioaccumulationbioavailabilitycombination toxicologyECxequilibrium partitionfood-web modelshazardous concentrationNOECSpecies Sensitivity DistributionToxic Units
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© Kluwer Academic Publishers 2004