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 536910
Title Avoidance tests as a tool to detect sublethal effects of oil-impacted sediments
Author(s) Szczybelski, Ariadna S.; Kampen, Tineke; Vromans, Joris; Peeters, Edwin T.H.M.; Heuvel-Greve, Martine J. van den; Brink, Nico W. van den; Koelmans, Albert A.
Source Environmental Toxicology and Chemistry (2018). - ISSN 0730-7268
DOI http://dx.doi.org/10.1002/etc.4129
Department(s) Aquatic Ecology and Water Quality Management
WIMEK
IMARES Onderzoeksformatie
VLAG
Sub-department of Toxicology
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Amphipod - Avoidance - Benthic macroinvertebrates - Distillate marine grade A oil - Oil spills - Risk assessment
Abstract Currently, risk assessment for oil contamination does not consider behavioral responses of benthos to oil toxicity. Avoidance of oil-contaminated sediment by benthic amphipods, however, may be a highly sensitive endpoint for sublethal effects of commonly used distillate fuels. In the present study, the avoidance behavior of temperate freshwater (Gammarus pulex) and marine (Gammarus locusta) amphipods was tested by allowing them to choose between a reference sediment and a distillate marine grade A (DMA) oil-spiked sediment. Avoidance of DMA-spiked sediment at 1000mg/kg dry weight was significant within the total exposure time (96h) in G. pulex and within the first 72h in G. locusta in 1 of 2 tests. Absence of DMA avoidance at lower concentrations (≤250mg/kg dry wt) indicates that test species can only detect DMA above these concentrations. However, sensitivity to oil may vary according to the phenology and physiological conditions of the populations involved, such as the species temperature tolerance and reproductive stage. The results suggest that avoidance tests may be used as an alternative to traditional chronic toxicity tests provided that a causal link between avoidance and long-term effects can be established.
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