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Relation entre érosion hydrique et système de production en moyenne montagne méditerranéenne : exemple du vignoble sur le bassin versant du Gazel (Ardèche méridionale - France)

Abstract : Now, in the bas Vivarais, the wine growers are confronted with the problems of the runoff and the hydric erosion. Then, the degradation of the grounds which ensues from it can influence in the short term the quality of the production (by loss of the mineral elements necessary for the plants) and in the long term even, question the notion of the soil. The stake in an anti-erosive fight is important all the more here as the vineyard occupies a large part of the U.A.S., and as recently went out of a production of a table wines. The soil quality is thus a major criterion to be protected to live in V.D.P. or V.D.Q.S., or to pass possibly in A.O.C. But what is the hydric erosion ? What are the factors deteriorating its activity ? To include better this phenomenon and answer these questions, the study made here privilegies two entrances and two different scales of analysis : the crossing of the data obtained by synchronic analysis of the occupation of the ground, on the Gazel's watershed (296 ha) and those obtained on the scale of the experimental plots of land (quantitative measure of solid and liquid streams according to four cultural treatments). The objective is to recommend solutions of anti-erossive fight easy to apply by the wine growers, but also to set up the keys of a management integrated and adapted to the local contexte, this on the scale of the spatial unity of runoff.
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Submitted on : Thursday, July 27, 2017 - 5:07:40 PM
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  • HAL Id : hal-01569845, version 1

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Monique Léonard, Jean-Louis Ballais. Relation entre érosion hydrique et système de production en moyenne montagne méditerranéenne : exemple du vignoble sur le bassin versant du Gazel (Ardèche méridionale - France). Bulletin du Réseau Erosion, 2004, 23, pp.478-488. ⟨hal-01569845⟩

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