{"id":82188,"date":"2019-01-30T12:16:23","date_gmt":"2019-01-30T17:16:23","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/economic-feasibility-controlling-spruce-budworm-outbreak\/"},"modified":"2026-08-10T13:12:20","modified_gmt":"2026-08-10T17:12:20","slug":"economic-feasibility-controlling-spruce-budworm-outbreak","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/economic-feasibility-controlling-spruce-budworm-outbreak\/","title":{"rendered":"Economic feasibility of controlling the current spruce budworm outbreak in Qu\u00e9bec"},"content":{"rendered":"\n<p><strong>M\u00e9moire de recherche foresti\u00e8re n<sup>o<\/sup> 33F<\/strong><\/p>\n<p>M\u00eame si le ph\u00e9nom\u00e8ne des \u00e9pid\u00e9mies d&#8217;insectes forestiers date de quelques si\u00e8cles au Canada, l&#8217;aspect \u00e9conomique de ces \u00e9pid\u00e9mies fut \u00e0 peu pr\u00e8s ignor\u00e9 jusqu&#8217;\u00e0 r\u00e9cemment. Ce m\u00e9moire pr\u00e9sente les grandes lignes et quelques-uns des r\u00e9sultats d&#8217;une \u00e9tude \u00e9conomique r\u00e9alis\u00e9e au cours de l&#8217;ann\u00e9e 1972 au Service de la recherche du minist\u00e8re des Terres et For\u00eats du Qu\u00e9bec, concernant la rentabilit\u00e9 des arrosages a\u00e9riens contre la Tordeuse des bourgeons de l&#8217;\u00e9pinette.<\/p>\n<p>Cette \u00e9tude proposait une politique globale de lutte \u00e0 partir de la comparaison de neuf choix possibles d&#8217;arrosage en termes de crit\u00e8res \u00e9conomiques. L&#8217;approche marginale est utilis\u00e9e. La politique d&#8217;arrosage doit \u00eatre int\u00e9gr\u00e9e aux autres politiques foresti\u00e8res et gouvernementales. L&#8217;\u00e9tude repose sur des hypoth\u00e8ses de base concernant l&#8217;entomologie, l&#8217;am\u00e9nagement forestier et l&#8217;\u00e9conomique.<\/p>\n<p>L&#8217;un des choix d&#8217;arrosage les plus rentables en valeurs directes, rapporte 8 p. 100 sur l&#8217;investissement. Ce choix consiste en un arrosage en s\u00e9quence caract\u00e9ris\u00e9 par deux ann\u00e9es d&#8217;arrosage suivies d&#8217;une p\u00e9riode de deux ann\u00e9es sans arrosage, de tous les peuplements r\u00e9sineux et m\u00e9lang\u00e9s. Sans intervention de lutte, l&#8217;\u00e9pid\u00e9mie actuelle au Qu\u00e9bec pourrait repr\u00e9senter, sur une base annuelle et pour une dur\u00e9e de plus de quarante ans, des pertes minimales de :<br>1- Plus de deux millions de cunits* de bois (5,6 millions de m\u00e8tres cubes);<br>2- $12,6 millions en termes de droits de coupe sur les for\u00eats publiques;<br>3- $14,7 millions en termes de taxes, imp\u00f4ts, etc.;<br>4- $63,2 millions en termes de salaires; <br>5- 17 000 emplois.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e9moire de recherche foresti\u00e8re no 33F M\u00eame si le ph\u00e9nom\u00e8ne des \u00e9pid\u00e9mies d&#8217;insectes forestiers date de quelques si\u00e8cles au Canada, l&#8217;aspect \u00e9conomique de ces \u00e9pid\u00e9mies fut \u00e0 peu pr\u00e8s ignor\u00e9 jusqu&#8217;\u00e0 r\u00e9cemment. Ce m\u00e9moire pr\u00e9sente les grandes lignes et quelques-uns des r\u00e9sultats d&#8217;une \u00e9tude \u00e9conomique r\u00e9alis\u00e9e au cours de l&#8217;ann\u00e9e 1972 au Service de la [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1180,1181],"cptt_categ_publi":[1141],"cptt_auteurs_ministeriels":[],"class_list":["post-82188","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-forestry-research","cptt_theme-forests","cptt_categ_publi-forestry-research-paper"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Economic feasibility of controlling the current spruce budworm outbreak in Qu\u00e9bec - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"Highlights and main results of an economic study prepared in 1972, concerning the feasibility of aerial spraying against spruce budworm.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/economic-feasibility-controlling-spruce-budworm-outbreak\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Economic feasibility of controlling the current spruce budworm outbreak in Qu\u00e9bec - 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