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IVES 9 IVES Conference Series 9 Cartographie des terroirs viticoles: valorisation des résultats par un logiciel de consultation dynamique de cartes

Cartographie des terroirs viticoles: valorisation des résultats par un logiciel de consultation dynamique de cartes

Abstract

[English version below]

Pour son travail de cartographie et de caractérisation des terroirs, la Cellule Terroirs Viticoles utilise la méthode développée par l’Unité Vigne et Vin du Centre INRA d’Angers. Cette méthode reconnue au niveau international est appliquée dans les vignobles du Val de Loire à l’échelle du 1/10 000e et est valorisée par des éditions d’Atlas Viticoles à destination des viticulteurs et des organismes techniques. Ces atlas comportent une cartographie précise des terroirs (Unités Terroir de Base, caractéristiques des sols…) ainsi que des cartes conseils afin que le viticulteur puisse adapter ses méthodes de culture de la vigne (choix du cépage et du porte-greffe, choix des pratiques agro-viticoles : taille, enherbement…) et ses pratiques oenologiques au terroir de chaque parcelle. A terme, l’utilisation de ces atlas doit permettre l’adéquation du matériel végétal et des pratiques culturales au terroir, et donc de contribuer à une amélioration de la qualité et de la typicité des vins.
Dans le but de rendre plus aisée et plus attractive cette utilisation, la Cellule Terroirs Viticoles propose désormais la consultation des bases cartographiques en version informatisée. Ces dernières sont accessibles grâce à un logiciel permettant une consultation dynamique des différentes cartes à thèmes proposées dans les Atlas Viticoles. Concrètement, le viticulteur peut sur son poste informatique déplacer la carte affichée à l’écran, changer le thème représenté (Unité de Terroir de Base, profondeur de sol…), zoomer sur une zone précise… En se plaçant à l’endroit souhaité sur la carte par l’intermédiaire de la souris, le viticulteur peut d’un seul clic accéder à une multitude d’informations concernant la zone ou la parcelle sélectionnée. Le parcellaire du viticulteur peut également être numérisé et superposé sur les différentes cartes ce qui permet une localisation plus fine et plus rapide pour l’utilisateur.
Cet outil informatique est donc une réelle évolution pour le viticulteur et dans le cas de caves coopératives, il se révèle être un véritable atout technique notamment dans l’élaboration de cuvées terroirs spécifiques. Dans la gamme des produits informatiques proposés aux viticulteurs, l’Atlas Viticole Informatisé vient compléter les différents logiciels de suivis parcellaire et de gestion de cave pour une meilleure garantie de l’authenticité et de la traçabilité du vin.

For its routine work of characterisation and cartography of viticultural terroirs, the CVVL Terroir Cartography Unit uses the method developed by the INRA-Angers Research Unit on Grapevine and Wine. This method, of international recognition, is presently applied to the cartography of the Val de Loire vineyards (scale : 1/10 000) and valorised through the edition of viticultural atlases for the use of the vine-growers and technical institutes. These atlases propose precise maps of the Basic Terroir Units and soil characteristics as well as maps to assist in the choice of the planting material (variety, rootstock) and cultural practices (inter-row grassing). The objective is to optimise the adaptation of the planting material and the cultural practices to the terroir conditions and, therefore, to improve the quality and the typicalness of the resulting wines. 
In order to facilitate this tool and make it more attractive, the Terroir Cartography Unit is now able to propose a computerised version of the cartographic bases. These are accessible through a software that allows for a dynamic consultation of all the thematic maps proposed in the atlases. In a concrete way, the vine-grower can, on his computer, surf and zoom on the maps or change the topic (Basic Terroir Unit, soil depth, soil water reserve, percentage of gravels, etc…). A simple click on a precise location of the pointer gives access to all the information relative to the site. All the plots of a given vine-grower can be digitalised, and superimposed to the different maps, which allows the user for a quicker and more precise localisation of his sites of interest. 
This computerised tool constitutes a real evolution both for the single vine-growers and the co-operatives, as a new and very technical card to elaborate specific terroir wines. It completes the viticultural and enological software proposed to the growers to improve the monitoring of the vine and elaboration of the wine, to better guarantee the authenticity and the traceability of the product. 

DOI:

Publication date: January 12, 2022

Issue: Terroir 2004

Type: Article

Authors

E. Goulet (1), D. Rioux (1) and G. Barbeau (2)

(1) Cellule « Terroirs Viticoles », Confédération des Vignerons du Val de Loire, 42 rue Georges Morel, 49071 Beaucouzé Cedex
(2) Unité Vigne et Vin, INRA, 42 rue Georges Morel, 49071 Beaucouzé Cedex

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Keywords

Cartographie, terroirs, consultation dynamique de cartes
cartography, terroirs, dynamic map consultation

Tags

IVES Conference Series | Terroir 2004

Citation

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