{"id":12896,"date":"2026-10-23T08:58:30","date_gmt":"2026-10-23T06:58:30","guid":{"rendered":"https:\/\/tethys.farm\/?p=12896"},"modified":"2026-10-23T09:25:18","modified_gmt":"2026-10-23T07:25:18","slug":"atelier-europeen-tethys-sur-les-donnees-satellitaires","status":"publish","type":"post","link":"https:\/\/tethys.farm\/fr\/atelier-europeen-tethys-sur-les-donnees-satellitaires\/","title":{"rendered":"TETHYS lors de l&#039;atelier sur les bonnes pratiques en mati\u00e8re d&#039;\u00e9valuation du CAP"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"12896\" class=\"elementor elementor-12896\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7dd5430e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7dd5430e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3a718e95\" data-id=\"3a718e95\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-353ef5b3 elementor-widget elementor-widget-text-editor\" data-id=\"353ef5b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-pm-slice=\"1 1 []\">Comment mesurer l&#039;efficacit\u00e9 de <strong>des politiques publiques pour soutenir l&#039;agriculture biologique<\/strong>Et comment les donn\u00e9es satellitaires peuvent-elles \u00eatre utilis\u00e9es ? ... <strong>aider les administrations \u00e0 \u00e9valuer les r\u00e9sultats des interventions<\/strong> et d&#039;am\u00e9liorer les outils de soutien aux agriculteurs ?<\/p><p>Voici quelques-uns des probl\u00e8mes abord\u00e9s dans <strong>Vilnius<\/strong>, Le <strong>15 et 16 octobre 2026<\/strong>, pendant le <em>\u201c<a href=\"https:\/\/eu-cap-network.ec.europa.eu\/events\/good-practice-workshop-assessment-cap-support-organic-farming_en\">Atelier de bonnes pratiques \u201c \u00c9valuation du soutien de la PAC \u00e0 l\u2019agriculture biologique \u00bb<\/a>\u201d<\/em>, organis\u00e9 dans le cadre du r\u00e9seau PAC de l&#039;UE avec le soutien du service d&#039;assistance europ\u00e9en \u00e0 l&#039;\u00e9valuation de la PAC.<\/p><p>Le Dr. a assist\u00e9 \u00e0 la r\u00e9union. <strong>Matteo De Sanctis<\/strong>, qui a pr\u00e9sent\u00e9 une \u00e9tude de cas d\u00e9velopp\u00e9e par le biais de TETHYS dans le cadre de l&#039;\u00e9valuation de <strong>Programme de d\u00e9veloppement rural de la r\u00e9gion de Toscane<\/strong>, d\u00e9montrant comment les technologies d&#039;observation de la Terre peuvent contribuer \u00e0 mesurer les effets \u00e9conomiques des politiques agricoles et \u00e0 appuyer les d\u00e9cisions de l&#039;administration publique.<\/p><h2 data-pm-slice=\"1 1 []\">Agriculture biologique et agriculture conventionnelle : une comparaison commence dans le Val d&#039;Orcia.<\/h2><p>Le projet pr\u00e9sent\u00e9 \u00e0 Vilnius est n\u00e9 d&#039;un\u2019<strong>activit\u00e9s d&#039;\u00e9valuation des effets \u00e9conomiques de la production biologique<\/strong>, r\u00e9alis\u00e9e dans le cadre du service d&#039;\u00e9valuation du Programme de d\u00e9veloppement rural de la Toscane 2014-2022.<\/p><p>L\u2019objectif \u00e9tait de comparer la valeur de production des exploitations agricoles b\u00e9n\u00e9ficiant d\u2019interventions d\u00e9di\u00e9es \u00e0 l\u2019agriculture biologique et conservatrice avec celle des exploitations adoptant des techniques conventionnelles, en analysant trois indicateurs cl\u00e9s\u00a0: <strong>diff\u00e9rences dans les rendements agricoles, les prix du march\u00e9 et la valeur de la production brute commercialisable<\/strong>.<\/p><p>L&#039;analyse s&#039;est concentr\u00e9e sur <strong>Val d&#039;Orcia, dans la province de Sienne<\/strong>, o\u00f9 22 paires de parcelles ont \u00e9t\u00e9 identifi\u00e9es, pour un total de 44 zones agricoles r\u00e9parties sur sept cultures, dont le bl\u00e9 dur, le bl\u00e9 tendre, la luzerne, les f\u00e8ves et le tr\u00e8fle.<\/p><p>Pour chaque parcelle cultiv\u00e9e selon des techniques biologiques ou conservatrices, une parcelle adjacente a \u00e9t\u00e9 s\u00e9lectionn\u00e9e, destin\u00e9e \u00e0 la m\u00eame culture mais g\u00e9r\u00e9e selon des m\u00e9thodes conventionnelles. <strong>approche contrefactuelle<\/strong> Cela nous a permis de comparer des situations agronomiques comparables et d&#039;estimer les diff\u00e9rences de production gr\u00e2ce au traitement des donn\u00e9es satellitaires.<\/p><h2 data-pm-slice=\"1 1 []\">La contribution de TETHYS \u00e0 l&#039;\u00e9valuation des rendements agricoles<\/h2><p>Pour estimer les rendements, on a utilis\u00e9 TETHYS, le DSS d\u00e9velopp\u00e9 par Centrale Valutativa avec le soutien de l&#039;Agence spatiale europ\u00e9enne, qui int\u00e8gre des images des satellites Sentinel-2 de l&#039;ESA et Landsat 8 et 9 de la NASA avec des informations m\u00e9t\u00e9orologiques et des donn\u00e9es relatives aux caract\u00e9ristiques du sol.<\/p><p>Gr\u00e2ce aux mod\u00e8les FAO SEBAL et AquaCrop, le syst\u00e8me a permis de <strong>traiter les informations disponibles et calculer les rendements des diff\u00e9rentes cultures<\/strong>, fournissant une base quantitative pour la comparaison des m\u00e9thodes de production.<\/p><p>Ces \u00e9laborations ont \u00e9t\u00e9 int\u00e9gr\u00e9es \u00e0 l&#039;analyse des prix du march\u00e9, \u00e0 des entretiens avec les agriculteurs et \u00e0 des \u00e9changes avec des experts et des parties prenantes, afin de construire <strong>une \u00e9valuation qui prenait en compte \u00e0 la fois les r\u00e9sultats de production et le contexte \u00e9conomique<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-49b89b4 e-flex e-con-boxed e-con e-parent\" data-id=\"49b89b4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee7455e elementor-widget__width-initial elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"ee7455e\" data-element_type=\"widget\" data-e-type=\"widget\" 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src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0001.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0001\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 sur 15\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0002.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0002\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 sur 15\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0003.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0003\" \/><\/figure><\/div><div 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src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0006.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0006\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"7 sur 15\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0007.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0007\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"8 sur 15\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0008.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0008\" \/><\/figure><\/div><div 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src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0011.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0011\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"12 sur 15\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0012.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0012\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"13 sur 15\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/tethys.farm\/wp-content\/uploads\/2026\/10\/GPW14_Evaluation-of-the-economic-effects_page-0013.jpg\" alt=\"GPW14_\u00c9valuation des effets \u00e9conomiques_page-0013\" \/><\/figure><\/div><div 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class=\"eicon-chevron-left\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-right\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-df811b6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"df811b6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ec7b1c3\" data-id=\"ec7b1c3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bd285e8 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"bd285e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-pm-slice=\"1 1 []\">R\u00e9sultats et implications pour le soutien \u00e0 l&#039;agriculture biologique<\/h2>\n<p>Les analyses ont mis en \u00e9vidence que, pour la plupart des cultures examin\u00e9es, <strong>Les rendements obtenus avec des m\u00e9thodes biologiques et conservatrices sont inf\u00e9rieurs \u00e0 ceux de l&#039;agriculture conventionnelle.<\/strong>, avec des diff\u00e9rences entre le 4% et le 54%.<\/p>\n<p>Cependant, la comparaison \u00e9conomique a r\u00e9v\u00e9l\u00e9 une situation plus complexe. En 2019, le prix de march\u00e9 plus \u00e9lev\u00e9 des produits biologiques a g\u00e9n\u00e9ralement compens\u00e9 les rendements plus faibles, ce qui a permis d&#039;obtenir une valeur brute de production commercialisable sup\u00e9rieure \u00e0 celle des produits conventionnels. En 2021, avec la r\u00e9duction progressive de l&#039;\u00e9cart de prix, cette situation s&#039;est invers\u00e9e.<\/p>\n<p>Il s&#039;agit d&#039;un r\u00e9sultat important pour l&#039;\u00e9valuation des politiques agricoles, car il souligne que la prime vers\u00e9e \u00e0 la production biologique peut ne plus suffire \u00e0 inciter les agriculteurs \u00e0 adopter ou \u00e0 maintenir ce mode de production.<\/p>\n<p data-pm-slice=\"1 1 []\"><strong>Les donn\u00e9es issues de cette \u00e9tude ont \u00e9t\u00e9 utilis\u00e9es par la r\u00e9gion Toscane pour adapter ses outils de soutien.<\/strong>, en augmentant la prime allou\u00e9e \u00e0 l\u2019agriculture biologique lors de la prochaine p\u00e9riode de programmation communautaire.<\/p>\n<h2>Des donn\u00e9es satellitaires aux d\u00e9cisions de politique agricole<\/h2>\n<p>L&#039;exp\u00e9rience pr\u00e9sent\u00e9e \u00e0 Vilnius d\u00e9montre comment <strong>L&#039;utilisation des donn\u00e9es d&#039;observation de la Terre peut s&#039;\u00e9tendre de la gestion quotidienne des cultures \u00e0 l&#039;\u00e9valuation des politiques publiques.<\/strong>.<\/p>\n<p>La capacit\u00e9 de recueillir rapidement des informations, d&#039;analyser de vastes zones \u00e0 faible co\u00fbt et de comparer les r\u00e9sultats au fil du temps repr\u00e9sente une opportunit\u00e9 importante pour les gouvernements appel\u00e9s \u00e0 mesurer l&#039;efficacit\u00e9 des interventions de la Politique agricole commune (PAC).<\/p>\n<p>Pour TETHYS, cela confirme une fois de plus la polyvalence du syst\u00e8me\u00a0: les m\u00eames outils utilis\u00e9s pour surveiller la croissance des cultures, estimer les besoins en irrigation et \u00e9valuer les rendements peuvent contribuer \u00e0 l\u2019\u00e9laboration de politiques agricoles plus efficaces, fond\u00e9es sur des r\u00e9sultats objectifs et mesurables.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-7b12c64 e-flex e-con-boxed e-con e-parent\" data-id=\"7b12c64\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>TETHYS a pr\u00e9sent\u00e9 une \u00e9tude sur l&#039;agriculture biologique en Toscane lors de l&#039;atelier de la PAC europ\u00e9enne.<\/p>","protected":false},"featured_media":12926,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[83],"tags":[74,64,62,69,73,63,65,79],"class_list":["post-12896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agricoltura-di-precisione","tag-acqua","tag-agricoltura-4-0","tag-agricoltura-di-precisione","tag-cambiamento-climatico","tag-irrigazione","tag-precision-farming","tag-satelliti","tag-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Irrigazione del kiwi, il potenziale risparmio idrico supera il 25%<\/title>\n<meta name=\"description\" content=\"TETHYS presenta al workshop europeo sulla PAC uno studio sull&#039;agricoltura biologica in Toscana basato su dati satellitari.\" \/>\n<meta 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