{"id":58675,"date":"2026-03-31T13:15:43","date_gmt":"2026-03-31T11:15:43","guid":{"rendered":"https:\/\/ethrat.ch\/?page_id=58675"},"modified":"2026-03-31T14:27:26","modified_gmt":"2026-03-31T12:27:26","slug":"le-docteur-des-arbres-au-service-de-la-sante-des-forets","status":"publish","type":"page","link":"https:\/\/ethrat.ch\/fr\/le-docteur-des-arbres-au-service-de-la-sante-des-forets\/","title":{"rendered":"Le \u00abdocteur des arbres\u00bb au service de la sant\u00e9 des for\u00eats"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"58675\" class=\"elementor elementor-58675 elementor-58178\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0d831fb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0d831fb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1fe72cc\" data-id=\"1fe72cc\" 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-331fcf6 elementor-widget elementor-widget-image\" data-id=\"331fcf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"664\" src=\"https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_1000x600_150px.jpg\" class=\"attachment-full size-full wp-image-58183\" alt=\"\" srcset=\"https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_1000x600_150px.jpg 1000w, https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_1000x600_150px-300x199.jpg 300w, https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_1000x600_150px-768x510.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e8130dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8130dc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a840010\" data-id=\"a840010\" 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-cbb88b3 elementor-widget elementor-widget-text-editor\" data-id=\"cbb88b3\" 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>Surveillance du territoire par la Protection de la for\u00eat suisse<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-755e8ff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"755e8ff\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-af0a592\" data-id=\"af0a592\" 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-1e9177e elementor-widget elementor-widget-text-editor\" data-id=\"1e9177e\" 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<h1>Le \u00abdocteur des arbres\u00bb au service de la sant\u00e9 des for\u00eats<\/h1>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0393b50 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0393b50\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c22fd06\" data-id=\"c22fd06\" 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-d4b9f0f elementor-widget elementor-widget-text-editor\" data-id=\"d4b9f0f\" 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>Quand il \u00e9tait petit, Valentin Queloz aimait passer son temps libre dans la for\u00eat. Aujourd\u2019hui, le terrain de jeu de son enfance est devenu son domaine de travail. Il dirige le groupe Protection de la f\u00f4ret suisse au WSL et est responsable d\u2019un syst\u00e8me d\u2019alerte pr\u00e9coce \u00e0 l\u2019\u00e9chelle nationale dans le cadre de la \u00absurveillance du territoire\u00bb.<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-df5716b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"df5716b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-956b687\" data-id=\"956b687\" 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-bf532a6 elementor-widget elementor-widget-text-editor\" data-id=\"bf532a6\" 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>Lorsque Valentin Queloz rencontre des microbiologistes qui s\u2019int\u00e9ressent au microbiome humain lors de conf\u00e9rences sp\u00e9cialis\u00e9es, il constate: \u00abEn fait, nous nous int\u00e9ressons \u00e0 des sujets tr\u00e8s similaires. Une for\u00eat en bonne sant\u00e9 est comme une personne en bonne sant\u00e9: elle poss\u00e8de un microbiome stable dans lequel de nombreux \u00e9l\u00e9ments interagissent.\u00bb<\/p>\n<p>Et pourtant, le Romand aurait aussi de bonnes raisons d\u2019\u00eatre pessimiste: le changement climatique favorise certains ravageurs. \u00abIl existe des col\u00e9opt\u00e8res indig\u00e8nes qui, en tant qu\u2019organismes ectothermes, profitent des temp\u00e9ratures plus \u00e9lev\u00e9es et produisent aujourd\u2019hui plus de g\u00e9n\u00e9rations qu\u2019auparavant. Les hivers plus doux permettent \u00e9galement \u00e0 des esp\u00e8ces m\u00e9diterran\u00e9ennes de s\u2019\u00e9tablir\u00bb, explique-t-il. Dans le m\u00eame temps, le nombre d\u2019organismes introduits augmente de mani\u00e8re exponentielle.<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9b21fd9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b21fd9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b05011c\" data-id=\"b05011c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-4961428 elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4961428\" 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><strong>Protection de la for\u00eat suisse<\/strong><\/p>\n<p>collabore avec les services forestiers cantonaux pour <strong>recueillir<\/strong> des donn\u00e9es sur l&rsquo;occurrence et l&rsquo;\u00e9tendue des stress biotiques et abiotiques en for\u00eat, <strong>informer<\/strong> sur la situation phytosanitaire actuelle en for\u00eat, <strong>conseiller<\/strong> les personnes concern\u00e9es sur les questions de protection phytosanitaire en for\u00eat et <strong>participer<\/strong> \u00e0 la formation continue des services forestiers, du secteur vert, des \u00e9tudiants et autres sp\u00e9cialistes.<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cd544d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cd544d9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d84b41\" data-id=\"4d84b41\" 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-f65d319 elementor-widget elementor-widget-spacer\" data-id=\"f65d319\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8e92107 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8e92107\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5a3ecc9\" data-id=\"5a3ecc9\" 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-5f4bfca elementor-widget elementor-widget-text-editor\" data-id=\"5f4bfca\" 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>Le WSL r\u00e9pond \u00e0 cette \u00e9volution par la surveillance du territoire, un syst\u00e8me d\u2019alerte pr\u00e9coce \u00e0 l\u2019\u00e9chelle nationale destin\u00e9 \u00e0 prot\u00e9ger les for\u00eats suisses contre les organismes nuisibles envahissants. L\u2019institut de recherche ne veut pas attendre que ces organismes aient d\u00e9j\u00e0 ravag\u00e9 la moiti\u00e9 des for\u00eats avant de les d\u00e9tecter. Mieux vaut pr\u00e9venir que gu\u00e9rir, telle est la devise. \u00abAvant, on signalait simplement quand on trouvait quelque chose\u00bb, explique Valentin Queloz. \u00abAujourd\u2019hui, nous effectuons des recherches cibl\u00e9es et pouvons affirmer: nous avons v\u00e9rifi\u00e9, et il n\u2019y a rien.\u00bb Huit esp\u00e8ces cibles inscrites sur la liste de quarantaine de l\u2019UE sont surveill\u00e9es, parmi lesquelles figurent le capricorne asiatique, l\u2019agrile du fr\u00eane et le n\u00e9matode du pin. Deux maladies fongiques, la mort subite du ch\u00eane et du m\u00e9l\u00e8ze et le chancre r\u00e9sineux du pin, sont \u00e9galement concern\u00e9es.<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-64b16d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"64b16d6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-84dca69\" data-id=\"84dca69\" 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-4580305 elementor-widget elementor-widget-text-editor\" data-id=\"4580305\" 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>Sur 75 surfaces de surveillance r\u00e9parties dans 16 cantons, des insectes sont captur\u00e9s dans des pi\u00e8ges \u00e0 entonnoir plac\u00e9s dans les couronnes des arbres, et des spores sont \u00e9galement collect\u00e9es. Les responsables cantonaux de la protection des for\u00eats, souvent des foresti\u00e8res ou des ing\u00e9nieurs forestiers, vident ces pi\u00e8ges tous les mois durant le printemps et l\u2019\u00e9t\u00e9 et envoient leur r\u00e9colte au WSL. Chaque ann\u00e9e, entre 600 et 1000 \u00e9chantillons sont ainsi collect\u00e9s. \u00abNous trions les \u00e9chantillons et recherchons les esp\u00e8ces cibles. De plus, nous v\u00e9rifions si des esp\u00e8ces non indig\u00e8nes et non r\u00e9pertori\u00e9es sont \u00e9galement pr\u00e9sentes dans les \u00e9chantillons\u00bb, explique Valentin Queloz.<\/p>\n<p>\u00abNous sommes donc la plaque tournante entre la recherche, la politique et la pratique.\u00bb Ainsi, le groupe de Valentin Queloz, en collaboration avec des sp\u00e9cialistes des groupes de phytopathologie et d\u2019entomologie foresti\u00e8re, \u00e9tudie la propagation de diff\u00e9rentes esp\u00e8ces en Suisse et proc\u00e8de \u00e0 des analyses ADN afin d\u2019identifier plus rapidement les nouvelles esp\u00e8ces dans les \u00e9chantillons collect\u00e9s. \u00abNous travaillons \u00e0 ce qu\u2019\u00e0 l\u2019avenir, il soit possible de d\u00e9terminer, \u00e0 partir d\u2019une sorte de bouillon g\u00e9n\u00e9tique, quels insectes ou champignons sont pr\u00e9sents.\u00bb Ces m\u00e9thodes sont encore complexes et co\u00fbteuses. \u00abMais nous poursuivons nos recherches afin de les rendre plus abordables et plus efficaces\u00bb, explique le chercheur.<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-62394f1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"62394f1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3892da4\" data-id=\"3892da4\" 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-da1ce5c elementor-widget elementor-widget-image\" data-id=\"da1ce5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_2_1000x600_150px.jpg\" class=\"attachment-full size-full wp-image-58195\" alt=\"\" srcset=\"https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_2_1000x600_150px.jpg 1000w, https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_2_1000x600_150px-300x200.jpg 300w, https:\/\/ethrat.ch\/wp-content\/uploads\/2026\/03\/WSL_Reportage_2_1000x600_150px-768x512.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9e3b5ae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9e3b5ae\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f07b501\" data-id=\"f07b501\" 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-c93ff8d elementor-widget elementor-widget-text-editor\" data-id=\"c93ff8d\" 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><em>Valentin Queloz \u00e0 Oberwinterthur, une zone de surveillance du canton de Zurich.<\/em><\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aa85eab elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa85eab\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8e0c22\" data-id=\"c8e0c22\" 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-19ba69b elementor-blockquote--skin-quotation elementor-blockquote--align-center elementor-widget elementor-widget-blockquote\" data-id=\"19ba69b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\tValentin Queloz ne pense\r\npas que les for\u00eats vont \r\ndispara\u00eetre, mais bien\r\nque leurs services\r\nvont \u00e9voluer. \u00abLa grande \r\nquestion est de savoir ce \r\nque nous attendons d\u2019elles. \r\nDoivent-elles stocker le CO\u2082, \r\nfiltrer l\u2019eau ou offrir une \r\nprotection ? C\u2019est en fonction \r\nde cela que nous devons\r\nagir.\u00bb\t\t\t<\/p>\n\t\t\t\t\t\t\t<div class=\"e-q-footer\">\n\t\t\t\t\t\t\t\t\t\t\t<cite class=\"elementor-blockquote__author\">\u2014 Valentin Queloz<\/cite>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/blockquote>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-669350d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"669350d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2161818\" data-id=\"2161818\" 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-d3b23c8 elementor-widget elementor-widget-spacer\" data-id=\"d3b23c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-42a641f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"42a641f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d21a16\" data-id=\"4d21a16\" 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-f75760b elementor-widget elementor-widget-text-editor\" data-id=\"f75760b\" 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>Son \u00e9quipe est aussi diversifi\u00e9e que la t\u00e2che elle-m\u00eame. Biologistes, ing\u00e9nieures foresti\u00e8res, analystes de donn\u00e9es et<br \/>techniciens de laboratoire contribuent \u00e0 emp\u00eacher les organismes envahissants de s\u2019\u00e9tablir sans \u00eatre remarqu\u00e9s. Le syst\u00e8me ne fonctionne que gr\u00e2ce \u00e0 la participation des cantons. Ils g\u00e8rent les surfaces, tandis que le WSL fournit le mat\u00e9riel et les instructions pour vider les pi\u00e8ges.<\/p>\n<p>En cas de suspicion d\u2019organismes de quarantaine, Valentin Queloz et son \u00e9quipe se rendent toutefois sur place pour se faire une id\u00e9e de la situation et s\u2019assurer que les interventions humaines ne contribuent pas \u00e0 propager davantage les \u00e9ventuels ravageurs. Il se r\u00e9jouit tout particuli\u00e8rement lorsque les connaissances issues de la recherche ont un impact direct. \u00abLes sp\u00e9cialistes qui ont suivi nos cours et assist\u00e9 \u00e0 nos conf\u00e9rences nous signalent souvent des cas suspects li\u00e9s \u00e0 la<br \/>protection des for\u00eats dans leur quotidien. Cela augmente indirectement la densit\u00e9 de la surveillance\u00bb, poursuit Valentin Queloz.\u00a0<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fd91ec3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd91ec3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8e879d\" data-id=\"c8e879d\" 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-75d4e35 elementor-widget elementor-widget-text-editor\" data-id=\"75d4e35\" 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><strong>\u00abCe sont des exp\u00e9riences positives. Et elles contribuent \u00e0 la pr\u00e9vention.\u00bb <\/strong><\/p>\n<p>Une fois par an, tous les responsables de la protection des for\u00eats se r\u00e9unissent avec l\u2019Office f\u00e9d\u00e9ral de l\u2019environnement (OFEV) et le WSL. \u00abLa collaboration est excellente, souligne le Romand, car au final, tout le monde a le m\u00eame objectif: des for\u00eats saines.\u00bb<\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-18f8f15 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18f8f15\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9c8ff03\" data-id=\"9c8ff03\" 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-880ea86 elementor-widget elementor-widget-text-editor\" data-id=\"880ea86\" 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>Le petit gar\u00e7on qui parcourait les for\u00eats dans son enfance est devenu un chercheur qui a conserv\u00e9 sa fascination pour cet<br \/>\u00e9cosyst\u00e8me et toutes ses facettes: \u00abNous travaillons avec la maladie et la mort, dit-il, mais cela permet souvent de cr\u00e9er<br \/>des for\u00eats plus belles. Lorsque les scolytes d\u00e9truisent les peuplements d\u2019\u00e9pic\u00e9as sur le Plateau, les feuillus repoussent et la for\u00eat devient plus diversifi\u00e9e.\u00bb Et en tant que chercheur, il se r\u00e9jouit naturellement lorsqu\u2019il d\u00e9couvre une nouvelle esp\u00e8ce de champignon, m\u00eame si celle-ci nuit aux arbres.<\/p>\n<p>\u00abNous devons parfois temp\u00e9rer quelque peu notre enthousiasme sur le terrain\u00bb, explique Valentin Queloz, qui a<br \/>lui-m\u00eame une exp\u00e9rience professionnelle dans le service forestier. Cet ing\u00e9nieur forestier titulaire d\u2019un doctorat a \u00e9tudi\u00e9 \u00e0 l\u2019ETH Zurich et s\u2019est sp\u00e9cialis\u00e9 tr\u00e8s t\u00f4t dans la sant\u00e9 des for\u00eats et les maladies fongiques. Il a consacr\u00e9 sa th\u00e8se aux<br \/>champignons racinaires des \u00e9pic\u00e9as et au d\u00e9p\u00e9rissement des pousses de fr\u00eane \u2013 des th\u00e8mes qui l\u2019accompagnent encore<br \/>aujourd\u2019hui. Avant de rejoindre le WSL, il \u00e9tait responsable de la protection des for\u00eats dans le canton du Jura, parall\u00e8lement \u00e0 ses activit\u00e9s de recherche \u00e0 l\u2019ETH Zurich. Cette double fonction entre recherche et pratique lui est aujourd\u2019hui<br \/>profitable. Et lorsque l\u2019occasion s\u2019est pr\u00e9sent\u00e9e en 2015 de prendre un poste \u00e0 plein temps au WSL, il n\u2019a pas h\u00e9sit\u00e9:<br \/>\u00abCela correspondait parfaitement \u00e0 mon parcours.\u00bb<\/p>\n\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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Surveillance du territoire par la Protection de la for\u00eat suisse Le \u00abdocteur des arbres\u00bb au service de la sant\u00e9 des for\u00eats Quand il \u00e9tait petit, Valentin Queloz aimait passer son temps libre dans la for\u00eat. Aujourd\u2019hui, le terrain de jeu de son enfance est devenu son domaine de travail. Il dirige le groupe Protection de &#8230;<\/p>\n","protected":false},"author":26,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"search-tag":[],"class_list":["post-58675","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le \u00abdocteur des arbres\u00bb au service de la sant\u00e9 des for\u00eats - Conseil des EPF<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ethrat.ch\/de\/der-baumdoktor-im-dienst-der-waldgesundheit\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le \u00abdocteur des arbres\u00bb au service de la sant\u00e9 des for\u00eats - Conseil des EPF\" \/>\n<meta property=\"og:description\" content=\"Surveillance du territoire par la Protection de la for\u00eat suisse Le \u00abdocteur des arbres\u00bb au service de la sant\u00e9 des for\u00eats Quand il \u00e9tait petit, Valentin Queloz aimait passer son temps libre dans la for\u00eat. 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