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 351018
Title Avoidance of polycyclic aromatic hydrocarbon-contaminated sediments by the freshwater invertebrates Gammarus pulex and Asellus aquaticus
Author(s) Lange, H.J. de; Sperber, V.; Peeters, E.T.H.M.
Source Environmental Toxicology and Chemistry 25 (2006)2. - ISSN 0730-7268 - p. 452 - 457.
DOI https://doi.org/10.1897/05-413.1
Department(s) Aquatic Ecology and Water Quality Management
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) waterverontreiniging - sediment - stroomvlakten - besmetters - toxicologie - polycyclische koolwaterstoffen - waterinvertebraten - waterdieren - gammarus pulex - asellus aquaticus - waterbodems - ecotoxicologie - water pollution - sediment - floodplains - contaminants - toxicology - polycyclic hydrocarbons - aquatic invertebrates - aquatic animals - gammarus pulex - asellus aquaticus - water bottoms - ecotoxicology - oligochaete lumbriculus-variegatus - induced community tolerance - rhine-meuse delta - pollution - toxicity - amphipod - metals - food - earthworm - responses
Categories Environmental Toxicology, Ecotoxicology
Abstract Contamination of sediments is a serious problem in most industrialized areas. Sediments are often contaminated with trace metals and organic contaminants like polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs). Bioassays are often used to determine the effect of contaminants on biota. However, survival or growth may not be the most sensitive endpoints. Behavioral changes often occur at much lower concentrations. Our study aimed to assess the effect of PAHs on habitat choice of two common freshwater invertebrates, the amphipod Gammarus pulex and the isopod Asellus aquaticus. We spiked clean field sediment with a mixture of four PAHs, fluoranthene, pyrene, chrysene, and benzo[k]fluoranthene, to a total concentration of 30 mg PAH/kg dry weight. Both species were offered a choice between PAH-spiked sediments and clean sediments in laboratory experiments. Results show that both species avoid PAH-spiked sediment. Origin of the population, either from a clean reference site or from a polluted site, did not affect habitat choice of either species
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