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\u064a\u0645\u062b\u0644 \u062a\u062d\u062f\u064a\u064b\u0627\u060c \u0648\u064a\u0631\u062c\u0639 \u0630\u0644\u0643 \u062c\u0632\u0626\u064a\u064b\u0627 \u0625\u0644\u0649 \u0646\u0642\u0635 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0646\u0645\u0627\u0630\u062c. \u0627\u062e\u062a\u0628\u0631\u0646\u0627 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0627\u0644\u0645\u0627\u062f\u064a\u0629\u060c LAPSUS_LS\u060c \u0627\u0644\u0630\u064a \u064a\u0635\u0645\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0639\u0644\u0649 \u0645\u0642\u064a\u0627\u0633 \u0645\u0633\u062a\u062c\u0645\u0639\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647. \u062a\u062c\u0645\u0639 LAPSUS_LS \u0628\u064a\u0646 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\u0627\u0644\u0642\u0647\u0648\u0629 \u0627\u0644\u0623\u062d\u0627\u062f\u064a\u0629 (\u0627\u0644\u0642\u0647\u0648\u0629 \u0627\u0644\u0639\u0631\u0628\u064a\u0629) \u0648 (2) \u0632\u0631\u0627\u0639\u0629 \u0645\u062e\u062a\u0644\u0637\u0629 \u0644\u0644\u0628\u0646 \u0648\u062a\u062c\u0630\u064a\u0631 \u0639\u0645\u064a\u0642 \u0644\u0623\u0634\u062c\u0627\u0631 \u0627\u0644\u0625\u0631\u064a\u062b\u0631\u064a\u0646\u0627 (\u0627\u0644\u0625\u0631\u064a\u062b\u0631\u064a\u0646\u0627 \u0628\u0648\u0628\u064a\u062c\u064a\u0627\u0646\u0627). \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0631\u0628\u0629 \u0648\u0627\u0644\u062c\u0630\u0631 \u0645\u0646 \u0643\u0648\u0633\u062a\u0627\u0631\u064a\u0643\u0627\u060c \u0623\u062c\u0631\u064a\u0646\u0627 \u0639\u0645\u0644\u064a\u0627\u062a \u0645\u062d\u0627\u0643\u0627\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0633\u062a\u062c\u0627\u0628\u0629 LAPSUS_LS 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\u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u062f\u0627\u062e\u0644\u064a. \u0644\u0645 \u064a\u0643\u0646 \u0644\u0644\u0631\u0633\u0648\u0645 \u0627\u0644\u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u062d\u064a\u0648\u064a\u0629 \u0623\u064a \u062a\u0623\u062b\u064a\u0631 \u0643\u0628\u064a\u0631 \u0639\u0644\u0649 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0645\u062d\u0627\u0643\u0627\u0629. \u0641\u064a \u0627\u0644\u062e\u062a\u0627\u0645\u060c \u0627\u0633\u062a\u062c\u0627\u0628\u062a LAPSUS_LS \u0628\u0634\u0643\u0644 \u062c\u064a\u062f \u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062f\u062e\u0644\u0627\u062a \u0627\u0644\u062a\u0631\u0628\u0629 \u0648\u0627\u0644\u063a\u0637\u0627\u0621 \u0627\u0644\u0646\u0628\u0627\u062a\u064a\u060c \u0648\u0647\u064a \u0645\u0631\u0634\u062d \u0645\u0646\u0627\u0633\u0628 \u0644\u0646\u0645\u0630\u062c\u0629 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 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Ce syst\uffc3\uffa8me agricole adopt\uffc3\uffa9 en France \uffc3\uffa0 partir des ann\uffc3\uffa9es\uffe2\uff80\uff892000 sous l\uffe2\uff80\uff99impulsion de groupes d\uffe2\uff80\uff99agriculteurs est en extension. Pour les agriculteurs, adopter un nouveau syst\uffc3\uffa8me agricole revient \uffc3\uffa0 modifier, de mani\uffc3\uffa8re plus ou moins importante, leurs pratiques. Concernant le semis direct sous couvert v\uffc3\uffa9g\uffc3\uffa9tal, peu d\uffe2\uff80\uff99informations existent. Cet article a pour objectif d\uffe2\uff80\uff99\uffc3\uffa9clairer les modifications que peut induire sa mise en place. Pour cela, il s\uffe2\uff80\uff99appuie sur les r\uffc3\uffa9ponses de 425\uffe2\uff80\uff89agriculteurs fran\uffc3\uffa7ais \uffc3\uffa0 une enqu\uffc3\uffaate en ligne. Pour 30\uffe2\uff80\uff89% des agriculteurs, le semis direct sous couvert constitue une modification compl\uffc3\uffa8te du syst\uffc3\uffa8me agricole. La r\uffc3\uffa9duction quasi-totale du travail du sol est le principe qui entra\uffc3\uffaene le plus de modifications (pour 96\uffe2\uff80\uff89% des agriculteurs). Au contraire, la diversification de la rotation conna\uffc3\uffaet le moins de modifications (48\uffe2\uff80\uff89% des agriculteurs). L\uffe2\uff80\uff99absence d\uffe2\uff80\uff99une modification de la rotation peut s\uffe2\uff80\uff99expliquer par une rotation d\uffc3\uffa9j\uffc3\uffa0 diversifi\uffc3\uffa9e en place ou l\uffe2\uff80\uff99incapacit\uffc3\uffa9 pour les agriculteurs d\uffe2\uff80\uff99ajouter de nouvelles cultures \uffc3\uffa0 leur rotation. L\uffe2\uff80\uff99optimisation de la couverture v\uffc3\uffa9g\uffc3\uffa9tale du sol entra\uffc3\uffaene une modification des pratiques pour 67\uffe2\uff80\uff89% des agriculteurs. Durant les premi\uffc3\uffa8res ann\uffc3\uffa9es, les agriculteurs s\uffe2\uff80\uff99orientent majoritairement vers l\uffe2\uff80\uff99utilisation de couverts temporaires plurisp\uffc3\uffa9cifiques. Bouleversant certains fondamentaux de l\uffe2\uff80\uff99agriculture, ces agriculteurs minimisent les risques encourus en favorisant une transition progressive et en partageant les connaissances acquises.</p>", "keywords": ["[SDE] Environmental Sciences", "2. Zero hunger", "330", "Agriculture (General)", "surveys / conservation agriculture / conservation tillage / land cover / crop diversification", "enqu\u00eate", "Plant culture", "diversification des cultures", "non-travail du sol", "04 agricultural and veterinary sciences", "15. 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INSPIRE themes, version 1.0"}, {"concepts": [{"id": "National"}], "scheme": "http://inspire.ec.europa.eu/metadata-codelist/SpatialScope"}], "license": "Pas de restriction d'acc\u00e8s public selon INSPIRE", "updated": "2025-12-08T08:32:42.673698Z", "type": "Dataset", "created": "2020-01-12", "language": "fre", "title": "BD Carto\u00ae Staff", "description": "**BD Carto\u00ae Etat-Major**\n\nLa BD Carto\u00ae Etat-Major est la base de donn\u00e9es de r\u00e9f\u00e9rence pour la description de l\u2019occupation du sol historique (19\u00e8me si\u00e8cle). Elle s\u2019appuie sur l\u2019ensemble des cartes scann\u00e9es dites \u00ab d\u2019Etat-major \u00bb produites entre 1820 et 1866 \u00e0 l\u2019\u00e9chelle 1 : 40 000.\n\n**Caract\u00e9ristiques principales :**\n\nLa BD Carto\u00ae Etat-Major est produite en partie par interpr\u00e9tation d\u2019images, par extraction automatique des b\u00e2timents et d\u2019une autre partie par int\u00e9gration de productions \u00e9manant de diff\u00e9rents partenaires.\n\nElle est disponible en 2 versions sur la France m\u00e9tropolitaine selon les d\u00e9partements :  \n\n- dans une version multi-th\u00e8mes, c\u2019est-\u00e0-dire que la totalit\u00e9 des th\u00e8mes de l\u2019occupation du sol ont \u00e9t\u00e9 num\u00e9ris\u00e9s (for\u00eat, b\u00e2ti, prairie, hydrographie, route, vigne,\u2026) \n\n- dans une version mono-th\u00e8me , c\u2019est-\u00e0-dire que seule l\u2019emprise des for\u00eats a \u00e9t\u00e9 num\u00e9ris\u00e9e.\nUne carte dans les liens ci-dessous vous permet de voir les d\u00e9partements couverts en version mono-th\u00e8me et les d\u00e9partements couverts en version multi-th\u00e8mes.\n\n**Couverture :**\n\nLa BD CARTO\u00ae \u00c9tat-major est produite par d\u00e9partement tout en assurant au niveau national une continuit\u00e9 g\u00e9ographique et th\u00e9matique. Les d\u00e9partements dont les limites ont \u00e9volu\u00e9 depuis les ann\u00e9es 1900 se retrouvent en t\u00e9l\u00e9chargement sur plusieurs d\u00e9partements (38, 54, 57, 67, 69, 88) ou avec un autre d\u00e9partement dans le cas des cr\u00e9ations de d\u00e9partements (90 \u00e0 95). Il est \u00e0 noter qu\u2019une partie du d\u00e9partement 06 et 73 actuel n\u2019a pas \u00e9t\u00e9 cartographi\u00e9 au moment de la cr\u00e9ation de la carte d\u2019Etat-major. Cette partie est donc absente de la base de donn\u00e9es.\n\n**Utilisations recommand\u00e9es :**\n\nDe la connaissance des milieux naturels (continuit\u00e9s \u00e9cologiques, trames vertes, essences, \u00e9tudes sur l\u2019\u00e9volution des massifs forestiers) \u00e0 l\u2019appui des politiques publiques (pr\u00e9servation de la biodiversit\u00e9, gestion foresti\u00e8re durable, production sylvicole), c\u2019est une base de donn\u00e9es de r\u00e9f\u00e9rence pour les forestiers, les chercheurs, les urbanistes et gestionnaires de milieux naturels et une ressource d\u2019importance majeure pour les collectivit\u00e9s territoriales dans l\u2019identification des dynamiques territoriales. 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