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IVES 9 IVES Conference Series 9 Viticultural zoning applications at the detailed scale of a cooperative winery: terroirs in St­hilaire-d’Ozilhan (AOC Côtes-du-Rhône)

Viticultural zoning applications at the detailed scale of a cooperative winery: terroirs in St­hilaire-d’Ozilhan (AOC Côtes-du-Rhône)

Abstract

[English version below]

La maîtrise de la typicité du vin s’élabore au niveau local ou communal d’une exploitation viticole et/ou d’une cave, unité de vinification. La cave coopérative de Saint-Hilaire­-d’Ozilhan (AOC Côtes-du-Rhône), dont le territoire communal s’étend sur une superficie de 1 670 ha, couvre près de 310 ha cultivés en vigne. Elle réalise des vinifications «au terroir», en utilisant des regroupements d’unités de sol en 9 unités de terroir potentiellement viticoles, définies en s’appuyant sur la parenté des substrats. Diverses sélections d’une même unité peuvent aboutir aussi à des vins différents, ce qui suggère une hétérogénéité spatiale de certaines unités définies. Une carte des terroirs issue d’une approche par l’analyse spatiale géomorpho-pédologique est par ailleurs disponible pour la cave coopérative, munie de son niveau plus détaillé, la carte des unités de pédopaysage. La comparaison des différentes cartes disponibles suggère diverses options applicables aux sélections de vendange. Par ailleurs, l’utilisation de fonctions de pédotransfert a permis d’estimer la réserve utile.

Wine quality needs to be monitored at the detailed local scale of the winery or viticultural farm territory. The territory covered by the cooperative winery of Saint-Hilaire-d’Ozilhan (AOC Côtes-du-Rhône), is a 1 670 hectares-commune area, nearly 310 hectares of which are grown into vine. This winery has been working for nearly a decade on geographical and enological mana gement. Wine-making processes are based on 9 “terroir” land divisions, defined with the substrata indicated in soil map units. Distinct selections of the same unit can lead to different wines, thus indicating the spatial heterogeneity of some of the units defined.
A zoning obtained from soil and landform spatial analysis, is available for this winery from another source, with a detailed soil landscape map. The comparison of the varied documents available may apply to different harvest selections.

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Publication date: February 15, 2022

Issue: Terroir 2002

Type: Article

Authors

E. VAUDOUR (1), P. PERNES (1), B. RODRIGUEZ-LOVELLE (2)

(1) Institut National Agronomique Paris-Grignon – UFR AGER/DMOS- Centre de Grignon BP0I – 78850 Thiverval Grignon- France
(2) Syndicat des Vignerons des Côtes-du-Rhône- Maison des Vins – 6, rue des Trois Faucons – 84000 Avignon- France

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Keywords

zonage, terroir, niveau communal, cave coop rative, réserve utile
zoning, terroir, local scale, cooperative winery, available water capacity

Tags

IVES Conference Series | Terroir 2002

Citation

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