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Light and temperature influence on diuron bioaccumulation and toxicity in biofilms

Abstract : Variations of temperature and photoperiod throughout different seasons can affect aquatic communities such as biofilms. Biofilms, generally present at the base of trophic chains in freshwaters, are also subject to organic contamination, and are especially affected by herbicides. Many studies have investigated the effect and interactions of herbicides and environmental factors on biofilms, but never with a toxicokinetic point of view. The objective of this study was to assess structural and functional changes in biofilms exposed to diuron, and to link them with contaminant accumulation, under the influence of temperature and light variations. To this aim, biofilms were exposed to all possible combinations of three concentrations (0, 5 and 50µgL
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Submitted on : Sunday, April 11, 2021 - 9:47:46 PM
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Chaumet et al. 2020 _Ecotoxico...
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Betty Chaumet, Nicolas Mazzella, Julie Neury-Ormanni, Soizic Morin. Light and temperature influence on diuron bioaccumulation and toxicity in biofilms. Ecotoxicology, Springer Verlag, 2020, 29, pp.185-195. ⟨10.1007/s10646-020-02166-8⟩. ⟨hal-02610164⟩



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