{"id":29558,"date":"2021-02-03T15:07:58","date_gmt":"2021-02-03T14:07:58","guid":{"rendered":"https:\/\/gjkkadksm.preview.infomaniak.website\/?post_type=article-foret-nature&p=29558"},"modified":"2024-10-24T10:28:56","modified_gmt":"2024-10-24T08:28:56","slug":"une-goutte-deau-hors-de-la-mer-les-piegeages-de-masse-face-aux-pullulations-du-typographe","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/une-goutte-deau-hors-de-la-mer-les-piegeages-de-masse-face-aux-pullulations-du-typographe\/","title":{"rendered":"Une goutte d\u2019eau hors de la mer ? Les pi\u00e9geages de masse face aux pullulations du typographe"},"content":{"rendered":"

Les pullulations d\u2019Ips typographus en Europe ont atteint des niveaux tels qu\u2019il est difficile de commercialiser les bois attaqu\u00e9s et, d\u00e8s lors, de les extraire \u00e0 temps des peuplements. La tentation est donc grande de recourir aux pi\u00e8ges \u00e0 ph\u00e9romones, en remplacement ou en accompagnement des \u00e9claircies ou coupes sanitaires recommand\u00e9es.<\/p>\n

Le pi\u00e9geage, mis au point \u00e0 la fin des ann\u00e9es \u201870, a connu une popularit\u00e9 consid\u00e9rable pendant une trentaine d\u2019ann\u00e9es (530\u2009000 \u00e0 600\u2009000 pi\u00e8ges d\u00e9ploy\u00e9s annuellement en Norv\u00e8ge entre 1979 et 1981). Par la suite, \u00e0 mesure que le comportement des insectes \u00e9tait mieux compris et que l\u2019exp\u00e9rience des praticiens se d\u00e9veloppait, les pi\u00e9geages ont \u00e9t\u00e9 graduellement r\u00e9duits \u00e0 des fins de surveillance dans la plupart des pays europ\u00e9ens. Et pourtant, les pi\u00e9geages de masse sont r\u00e9guli\u00e8rement \u00e9voqu\u00e9s par praticiens et d\u00e9cideurs\u2026<\/p>\n

Le contexte biologique de la r\u00e9ponse du typographe aux ph\u00e9romones est discut\u00e9 ici. 25\u2009000 \u00e0 35\u2009000 insectes \u00e9mergent de 1\u202fm3<\/sup>\u00a0attaqu\u00e9\u202f; un pi\u00e8ge capture entre 10\u2009000 et 27\u2009000 insectes, un arbre-pi\u00e8ge en capture deux \u00e0 trois fois plus. Par ailleurs, seulement environ 7\u202f% des insectes issus d\u2019un site r\u00e9pondent localement aux ph\u00e9romones. Le reste se disperse, parfois \u00e0 des dizaines de kilom\u00e8tres et c\u2019est l\u00e0 qu\u2019il faudrait les pi\u00e9ger. Il faudrait donc d\u00e9ployer au minimum 60\u2009000 pi\u00e8ges ou 20\u2009000 arbres-pi\u00e8ges, sur l\u2019ensemble du territoire, pour chaque tranche de 100\u2009000 m3<\/sup>\u00a0attaqu\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"

Les pullulations d\u2019Ips typographus en Europe ont atteint des niveaux tels qu\u2019il est difficile de commercialiser les bois attaqu\u00e9s et, d\u00e8s lors, de les extraire \u00e0 temps des peuplements. La tentation est donc grande de recourir aux pi\u00e8ges \u00e0 ph\u00e9romones, en remplacement ou en accompagnement des \u00e9claircies ou coupes sanitaires recommand\u00e9es. Le pi\u00e9geage, mis au […]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"\nUne goutte d\u2019eau hors de la mer ? Les pi\u00e9geages de masse face aux pullulations du typographe - For\u00eat.Nature<\/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:\/\/foretnature.be\/en\/article-foret-nature\/une-goutte-deau-hors-de-la-mer-les-piegeages-de-masse-face-aux-pullulations-du-typographe\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une goutte d\u2019eau hors de la mer ? Les pi\u00e9geages de masse face aux pullulations du typographe - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Les pullulations d\u2019Ips typographus en Europe ont atteint des niveaux tels qu\u2019il est difficile de commercialiser les bois attaqu\u00e9s et, d\u00e8s lors, de les extraire \u00e0 temps des peuplements. La tentation est donc grande de recourir aux pi\u00e8ges \u00e0 ph\u00e9romones, en remplacement ou en accompagnement des \u00e9claircies ou coupes sanitaires recommand\u00e9es. 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Les pi\u00e9geages de masse face aux pullulations du typographe - For\u00eat.Nature","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foretnature.be\/en\/article-foret-nature\/une-goutte-deau-hors-de-la-mer-les-piegeages-de-masse-face-aux-pullulations-du-typographe\/","og_locale":"en_GB","og_type":"article","og_title":"Une goutte d\u2019eau hors de la mer ? Les pi\u00e9geages de masse face aux pullulations du typographe - For\u00eat.Nature","og_description":"Les pullulations d\u2019Ips typographus en Europe ont atteint des niveaux tels qu\u2019il est difficile de commercialiser les bois attaqu\u00e9s et, d\u00e8s lors, de les extraire \u00e0 temps des peuplements. La tentation est donc grande de recourir aux pi\u00e8ges \u00e0 ph\u00e9romones, en remplacement ou en accompagnement des \u00e9claircies ou coupes sanitaires recommand\u00e9es. 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