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Aménager le territoire et gérer les aménagements : les zones tampons sèches et humides, les fossés pour lutter contre les pollutions diffuses par les produits phytosanitaires dans les aires de captage.

Abstract : Buffer zones are inter-plot areas that can mitigate hydric agricultural contaminants transfers to freshwater, in addition to reduced inputs and good agricultural practices. Different kinds of buffer zones exist: vegetated buffer zones, artificial wetlands, ditches, fascines, embankments and hedges. Processes and factors determining the buffer zone effectiveness to limit pesticides transfers are sumarized for the first three types of buffer zones. The available tools, guides and methods developed to optimize their implantation and sizing are presented. Buffer zones implementation on a catchment area is part of a more general approach. In particular, a diagnosis of the vulnerability of the environment to flows is needed, as well as a consultation between the involved, in order to assure the action plan global efficiency. As a matter of fact, each type of buffer zone is more or less effective depending on the considered type of flow (surface runoff, drainage, diffuse or hydraulically concentrated flow) and pesticides.
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https://hal.archives-ouvertes.fr/hal-01656661
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Submitted on : Tuesday, December 5, 2017 - 8:04:37 PM
Last modification on : Tuesday, September 7, 2021 - 3:36:22 PM

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Nadia Carluer, Clotaire Catalogne, Cécile Dagès, Julien Tournebize. Aménager le territoire et gérer les aménagements : les zones tampons sèches et humides, les fossés pour lutter contre les pollutions diffuses par les produits phytosanitaires dans les aires de captage.. Innovations Agronomiques, INRAE, 2017, 57, pp.117-139. ⟨10.15454/1.5137822668081328E12⟩. ⟨hal-01656661⟩

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