Offre de thèse : Effets de mélanges d’éléments traces métalliques sur les interactions écologiques au sein d’un microcosme : la modélisation prédictive en soutien à l’évaluation des risques écologiques

Ecological risk assessment due to contaminants is today most often carried out based on single-species toxicity tests applied to single chemicals.
However, real ecosystems are composed of multiple interacting species exposed to mixtures of contaminants. Numerous studies from 1980 until today have tried to predict the ecotoxicity of mixtures from that of each component with the application of either a model of Concentration Addition (CA, Loewe and Muischnek,1926), or a model of Independent Action (IA, Bliss, 1939).

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