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Toxicity of microplastic particles with and without adsorbed tributyltin (TBT) in Gammarus fossarum (Koch, 1835)

  • We investigate the toxicity of different types and sizes of microplastic particles (0.3–4 mm) under different conditions (new particles, aged particles with biofilm, and particles with adsorbed Tributyltin) on the freshwater amphipod Gammarus fossarum in 3-week exposures. All types of plastic particles, which were randomly taken up to a small extent, were mostly Polyphenylenoxide, Polybutylentherephthalate and Polypropylene, with particles < 1 mm in size. Plastic particles did not affect the feeding and locomotory behaviour of gammarids, and there was no strong difference between pristine plastic particles and aged particles with biofilm. Mortality tended to be higher compared with the control. Tributyltinhydride (TBTH) adsorbed to microplastic particles had no effect on uptake, survival, feeding and locomotory behaviour during the 3 weeks of exposure. Dissolved TBTH, however, was already very toxic after few days of exposure (LC50-96h < 1 ng l–1).

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Author of HS ReutlingenBlum, Thomas; Honnen, Wolfgang
Erschienen in:Fundamental and applied limnology
Publisher:Schweizerbart Science Publishers
Place of publication:Stuttgart
Document Type:Journal article
Publication year:2020
Tag:dissolved TBTH; influence on behaviour; microplastic particles; mortality
Page Number:9
First Page:57
Last Page:65
DDC classes:540 Chemie
Open access?:Nein