Intérêt des organismes de la microfaune du sol pour la détermination de l’écotoxicité des matières fertilisantes et déchets valorisés en agriculture : le nématode "Caenorhabditis elegans" et l’acarien prédateur "Hypoaspis aculeifer"

Abstract : Fertilizing matters (FM) can be hazardous to the environment during application, due to the potential presence of contaminants. The approval process involves demonstrating the safety of these matrices towards the environment, but there is no ecotoxicological test strategy to date. In this context, tests using the nematode C. elegans and the predatory mite H. aculeifer have been proposed in a battery of bioassays, as new model organisms for the ecotoxicological assessment of FM. The results obtained with C. elegans and H. aculeifer by direct and indirect approaches were compared and discussed in relation to those obtained for other terrestrial (plants and earthworms) and aquatic organisms (bacteria, algae, rotifers and crustaceans) in order to provide, in fine, a relevant test strategy to assess the environmental hazards of the agricultural use of FM
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Pierre Huguier. Intérêt des organismes de la microfaune du sol pour la détermination de l’écotoxicité des matières fertilisantes et déchets valorisés en agriculture : le nématode "Caenorhabditis elegans" et l’acarien prédateur "Hypoaspis aculeifer". Sciences agricoles. Université de Lorraine, 2014. Français. ⟨NNT : 2014LORR0359⟩. ⟨tel-01751760⟩

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