FROGER, Claire; JOLIVET, Claudy; BUDZINSKI, Hélène; PIERDET, Manon; CARIA, Giovanni; SABY, Nicolas; ARROUAYS, Dominique; BISPO, Antonio

doi:10.1021/acs.est.2c09591

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FROGER, Claire
Info&Sols [Info&Sols]

JOLIVET, Claudy
Info&Sols [Info&Sols]

BUDZINSKI, Hélène

Environnements et Paléoenvironnements OCéaniques [EPOC]

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Environmental Science and Technology. 2023-05-23, vol. 57, n° 20, p. 7818-7827

American Chemical Society

Résumé en anglais

Contamination of the environment by pesticide residues is a growing concern given their widespread presence in the environment and their effects on ecosystems. Only a few studies have addressed the occurrence of pesticides in soils, and their results highlighted the need for further research on the persistence and risks induced by those substances. We monitored 111 pesticide residues (48 fungicides, 36 herbicides, 25 insecticides and/or acaricides, and two safeners) in 47 soils sampled across France under various land uses (arable lands, vineyards, orchards, forests, grasslands, and brownfields). Pesticides were found in 98% of the sites (46 of the 47 sampled), including untreated areas such as organic fields, forests, grasslands, and brownfields, with up to 33 different substances detected in one sample, mostly fungicides and herbicides. The concentrations of herbicides were the highest in soils with glyphosate, and its transformation product, AMPA, contributed 70% of the cumulative herbicides. Risk assessment underlined a moderate to high risk for earthworms in arable soils mostly attributed to insecticides and/or acaricides. Finally, the comparison with pesticide application by farmers underlines the presence of some residues long after their supposed 90% degradation and at concentrations higher than predicted environmental concentrations, leading to questions their real persistence in soils.< Réduire

Mots clés en anglais

herbicide

fungicide

insecticide

soil monitoring

contamination

glyphosate

earthworm

persistence

herbicide

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Pesticide Residues in French Soils: Occurrence, Risks, and Persistence

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