Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 110941
Title Benthic macroinvertebrates and multiple stressors : quantification of the effects of multiple stressors in field, laboratory and model settings
Author(s) Peeters, E.T.H.M.
Source Wageningen University. Promotor(en): M. Scheffer; A.A. Koelmans. - S.l. : S.n. - ISBN 9789058085108 - 168
Department(s) Aquatic Ecology and Water Quality Management
Publication type Dissertation, internally prepared
Publication year 2001
Keyword(s) ongewervelde dieren - biotesten - modellen - benthos - milieufactoren - besmetters - toxische stoffen - stressfactoren - ecologie - aquatische ecosystemen - ecotoxicologie - invertebrates - bioassays - models - benthos - environmental factors - contaminants - toxic substances - stress factors - ecology - aquatic ecosystems - ecotoxicology
Categories Invertebrata

Organisms are always exposed to several simultaneously operating stressors in nature. It appears that the combined effects of multiple stressors cannot be understood as a simple product of their individual effects. To understand how multiple stressors affect the composition and functioning of ecosystems it is necessary to know their quantitative contributions but also to explore their interactions. The central theme of this thesis is the quantification of the combined effects of multiple stressors on benthic aquatic macroinvertebrates and their communities. The statistical analyses of data sets in this thesis demonstrate that effects of multiple stressors in field situation can be quantified and that the benthic macroinvertebrate communities are affected by micropollutants. Furthermore, the modeling and laboratory studies show that the type of interaction between stressors can be analyzed and also that the effect of a certain stressor depends on the impact of all other stressors. Energy budgets and scope for growth seem powerful tools for improving the knowledge on the distribution and abundance of organisms. Finally, this thesis provides a foundation for differentiated standard setting.

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