{"id":21879,"date":"2011-04-27T00:37:23","date_gmt":"2011-04-26T22:37:23","guid":{"rendered":"http:\/\/staging.sillon38.com\/?p=21879"},"modified":"2011-04-27T00:37:23","modified_gmt":"2011-04-26T22:37:23","slug":"le-probleme-de-lazote-en-europe","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2011\/04\/27\/le-probleme-de-lazote-en-europe\/","title":{"rendered":"Le probl\u00e8me de l\u2019azote en Europe"},"content":{"rendered":"<p><span style=\"color: #000000;\">Indispensable pour l\u2019alimentation d\u2019une population mondiale en pleine croissance, l\u2019azote est n\u00e9anmoins source de pollution pour l\u2019air, les sols et les eaux. La premi\u00e8re \u00e9valuation europ\u00e9enne sur l\u2019azote a \u00e9t\u00e9 d\u00e9voil\u00e9e lors d\u2019une conf\u00e9rence internationale \u00e0 Edimbourg.<\/span><\/p>\n<p><span style=\"color: #000000;\">R\u00e9sultant des cinq ann\u00e9es de travaux des chercheurs et experts sur cette question dans le cadre de l\u2019action Nitrogen in Europe de l\u2019European Science Foundation et du projet europ\u00e9en NitroEurope, ce rapport, \u00ab l\u2019European Nitrogen Assessment \u00bb, dresse l\u2019\u00e9tat des lieux des questions soulev\u00e9es par les exc\u00e8s d\u2019azote sur l\u2019environnement et la sant\u00e9 en Europe, et avance des solutions possibles.<\/span><\/p>\n<p><span style=\"color: #000000;\"> L\u2019\u00e9tude conduite par les 200 chercheurs et experts issus de 21 pays et 89 organisations, dont l\u2019Inra, permet d\u2019\u00e9valuer pour la premi\u00e8re fois les cons\u00e9quences \u00e9conomiques de la pollution azot\u00e9e \u00e0 l\u2019\u00e9chelle europ\u00e9enne, avec en particulier les impacts sur le changement climatique et sur la perte de biodiversit\u00e9. Ce rapport fournit aux d\u00e9cideurs publics europ\u00e9ens une \u00e9valuation scientifique compl\u00e8te sur les cons\u00e9quences pr\u00e9visibles des pollutions azot\u00e9es et souligne des actions-clefs pour prot\u00e9ger l\u2019environnement et la sant\u00e9 publique.<\/span><\/p>\n<p><strong><span style=\"color: #ff6600;\">L\u2019implication de l\u2019Inra dans le projet europ\u00e9en NitroEurope (2006-2011)<\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\"> L\u2019azote et ses impacts sur l\u2019environnement concernent de pr\u00e8s l\u2019INRA dans la mesure o\u00f9 l\u2019utilisation principale de l\u2019azote se situe dans le domaine de la production agricole. Pour cette raison et du fait des recherches et du positionnement au niveau europ\u00e9en de l\u2019Institut dans ce domaine, l\u2019INRA a \u00e9t\u00e9 l\u2019un des principaux partenaires du projet NitroEurope.<\/span><\/p>\n<p><span style=\"color: #000000;\"> L\u2019Inra a ainsi apport\u00e9\u00a0 une contribution majeure au r\u00e9seau d\u2019observation des \u00e9missions et d\u00e9p\u00f4ts de compos\u00e9s azot\u00e9s mis en place dans le cadre de NitroEurope, \u00e0 travers 5 sites exp\u00e9rimentaux (cultures, prairies et for\u00eats) r\u00e9partis sur le territoire fran\u00e7ais. L\u2019Inra a \u00e9galement coordonn\u00e9 des mesures de concentrations en compos\u00e9s gazeux et particulaires sur ces sites fran\u00e7ais, mais aussi italien et irlandais, et r\u00e9alis\u00e9 l\u2019\u00e9valuation des d\u00e9p\u00f4ts d\u2019azote r\u00e9actif sur l\u2019ensemble des sites du projet (plus de 50 sites).<\/span><\/p>\n<p><span style=\"color: #000000;\"> L\u2019Inra a coordonn\u00e9 des travaux sur les prairies, ainsi que sur la mod\u00e9lisation (mod\u00e8le NitroScape) et la mesure des flux d\u2019azote \u00e0 l\u2019\u00e9chelle du paysage (6 paysages europ\u00e9ens ; 10 partenaires). L\u2019Inra a coordonn\u00e9 la base de donn\u00e9es \u00e0 l\u2019\u00e9chelle du paysage, dont il assure la gestion.<\/span><\/p>\n<p><span style=\"color: #000000;\"> L\u2019Inra a \u00e9galement contribu\u00e9 aux travaux sur la mod\u00e9lisation du cycle de l\u2019azote sur cultures (mod\u00e8les CERES-EGC) et prairie (mod\u00e8le PASIM).<\/span><\/p>\n<p><span style=\"color: #000000;\"> Plusieurs chercheurs de l\u2019INRA ont contribu\u00e9 \u00e0 la pr\u00e9paration de cette \u00e9valutation, l\u2019European Nitrogen Assessment. En particulier, les chapitres sur l\u2019azote dans les \u00e9cosyst\u00e8mes aquatiques (chapitre 7) et les flux d\u2019azote dans les paysages ruraux (chapitre 11), ont \u00e9t\u00e9 coordonn\u00e9s par des chercheurs de l\u2019INRA.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contribution de l\u2019Inra \u00e0 la premi\u00e8re Evaluation europ\u00e9enne sur l\u2019azote.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[651,2507,2959,4459],"class_list":["post-21879","post","type-post","status-publish","format-standard","hentry","category-environnement","tag-azote","tag-foret","tag-inra","tag-prairies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le probl\u00e8me de l\u2019azote en Europe -<\/title>\n<meta name=\"robots\" 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