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Projet COMPACT : COmmunautés micro-algales : effets de la Matière organique dissoute et des Pesticides sur l’Activité photosynthétique et la Composition Taxonomique ArchiMer
Coquille, Nathalie; Maurer, Daniele; Auby, Isabelle; Budzinski, Helene; Stachowski-haberkorn, Sabine; Morin, Soizick; Parlanti, Edith; Vedrenne, J.; Jan, G.; Menard, Dominique; Dupraz, Valentin; Rigouin, Loic; Gouriou, Laure; D'Amico, Florence; Tournaire, Marie-pierre; Meteigner, Claire; Perriere-rumebe, Myriam; Mounguengui, A.; Tapie, Nathalie; Chevance-demars, L.; Pardon, P.; Geneste, E..
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00276/38740/37283.pdf
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The influence of natural dissolved organic matter on herbicide toxicity to marine microalgae is species-dependent ArchiMer
Coquille, Nathalie; Menard, Dominique; Rouxel, Julien; Dupraz, Valentin; Eon, Melissa; Pardon, Patrick; Budzinski, Helene; Morin, Soizic; Parlanti, Edith; Stachowski-haberkorn, Sabine.
Microalgae, which are the foundation of aquatic food webs, may be the indirect target of herbicides used for agricultural and urban applications. Microalgae also interact with other compounds from their environment, such as natural dissolved organic matter (DOM), which can itself interact with herbicides. This study aimed to evaluate the influence of natural DOM on the toxicity of three herbicides (diuron, irgarol and S-metolachlor), singly and in ternary mixtures, to two marine microalgae, Chaetoceros calcitrans and Tetraselmis suecica, in monospecific, non-axenic cultures. Effects on growth, photosynthetic efficiency (Ф’M) and relative lipid content were evaluated. The chemical environment (herbicide and nutrient concentrations, dissolved organic carbon...
Tipo: Text Palavras-chave: Microalgae; Herbicides; Natural dissolved organic matter; DOM; Toxicity; Interactions.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00428/53964/55113.pdf
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