OUEDRAOGO, Frederic; GAY, Kévin; BRETAGNOLLE, Vincent; DUPUIS, Antoine; LEFEUVRE, Sandrine; GABA, Sabrina

Bordeaux population health [BPH]

GAY, Kévin
Centre d'Études Biologiques de Chizé - UMR 7372 [CEBC]
Université de Reims Champagne-Ardenne [URCA]

BRETAGNOLLE, Vincent
Centre d'Études Biologiques de Chizé - UMR 7372 [CEBC]
Zone Atelier Plaine et Val de Sèvre [LTSER - LTER]

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SFE2 Société Française d'Écologie et d'Évolution. 2024

Résumé en anglais

The massive use of pesticides in modern agriculture has led to their presence in ecosystemswith residuals found in the environment as well as in various taxa. But, few studies haveinvestigated the contamination levels of pesticides in diverse taxa as well as several compartmentsof the environment in the same farmland, and even less have concomitantly related thelevels of contamination to the pression indicators and the ecotoxicological data of these pesticides.Here, we present for the first-time data on pesticides residuals detected in differentenvironment matrices (air, soil, water, pollen) and taxa (birds, earthworms, rodents) of an intensivecereal plain located in the South of Niort (South-West France). Among the pesticidesstudied, epoxiconazole, s-metolachlor and pendimethalin were the most frequently detectedin all types of samples. Some of the detected pesticides were among the most frequently andheavily sold in the studied area. Pesticides known to be harmful for biodiversity and humanhealth such as neonicotinoids and fungicides from the SDHI families were also detected, aswell as banned or restricted ones. Ecotoxicological characterisation showed pesticides concentrationshigher than toxicological thresholds of several organisms. Finally, this study risesup the importance of investigating the interconnections between environment, biodiversityand humans, and highlights the interest of the Pression-Exposition-Impact approach.< Réduire

Mots clés en anglais

Pesticides

ecotoxicology

indicators

biodiversity

Onehealth

URI

https://oskar-bordeaux.fr/handle/20.500.12278/201741

Unités de recherche

Bordeaux Population Health Research Center (BPH) - UMR 1219

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Pesticides multi-matrix exposition in a cereal plain of South-West France and relationships with pression and ecotoxicological indicators

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Résumé en anglais

Mots clés en anglais

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