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| Titre : |
Efficiency of an artificial wetland and a forest buffer for pesticide pollution mitigation in a tile-drained agricultural watershed
|
| Auteur(s) : | Elodie Passeport |
| Type de document : | Thèse |
| Sujets : | Sols -- Teneur en pesticides Thèse ; Zone tampon artificielle ; Zone tampon forestière |
| Résumé : |
As part of the artWET LIFE environment project (06 ENV/F/000133), two buffer zones, an artificial wetland and a forest buffer, located at Bray (France) were assessed for their potential at reducing pesticide pollution coming from a 46-ha tile-drained watershed. Because of limited land availability, treating the entire volume was not possible but focusing on the most concentrated effluents appeared to be a good strategy to achieve pesticide abatement. The three-year results showed that both systems lowered down pesticide concentrations and loads by more than 40 %. However, a wide range of efficiencies was recorded. The most contrasted results were obtained for the fairly mobile herbicide isoproturon. On-site multi-tracer experiments concluded in a 66.5-h water residence time in the art[...]
As part of the artWET LIFE environment project (06 ENV/F/000133), two buffer zones, an artificial wetland and a forest buffer, located at Bray (France) were assessed for their potential at reducing pesticide pollution coming from a 46-ha tile-drained watershed. Because of limited land availability, treating the entire volume was not possible but focusing on the most concentrated effluents appeared to be a good strategy to achieve pesticide abatement. The three-year results showed that both systems lowered down pesticide concentrations and loads by more than 40 %. However, a wide range of efficiencies was recorded. The most contrasted results were obtained for the fairly mobile herbicide isoproturon. On-site multi-tracer experiments concluded in a 66.5-h water residence time in the artificial wetland. Delay was observed in pesticide transfer probably due to adsorption, but desorption was also suspected. Wetland sediments, wetland plants, forest soil and litter were sampled on-site. [...]
|
| Editeur(s) : | Paris [France] : AgroParisTech ; Ecole doctorale GRN |
| Date de publication : | 2010 |
| Format : | 280 p. / fig., tabl., graph., ill. en coul. / 30 cm |
| Note(s) : |
Bibliographie p. 160-177
|
| Langue(s) : | Anglais |
| Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=55125 |
| Est reproduit comme : |
Exemplaires (2)
| Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
|---|---|---|---|---|---|---|
| Palaiseau | Accès libre thèses - 2ème étage | THE APT 2010 PAS | Papier | Empruntable Disponible | ||
| Palaiseau | Magasin - compactus | THE 2010 PAS | Papier | Consultable sur place Exclu du prêt |