{"id":82505,"date":"2020-05-05T09:35:41","date_gmt":"2020-05-05T13:35:41","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/modelling-effect-climate-maple-syrup-production\/"},"modified":"2020-05-05T09:35:41","modified_gmt":"2020-05-05T13:35:41","slug":"modelling-effect-climate-maple-syrup-production","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/modelling-effect-climate-maple-syrup-production\/","title":{"rendered":"Modelling the effect of climate on maple syrup production in Qu\u00e9bec, Canada"},"content":{"rendered":"\n<p>Published in <strong>Forest Ecology and Management 258(12): 2683-2689<\/strong><\/p> <p>Due to the exceptional sweetness of its sap, sugar maple (<em>Acer saccharum<\/em> Marsh.) is economically exploited at a commercial scale for maple syrup production in northeastern North America. Approximately 80% of world production is realised in the province of Qu\u00e9bec, Canada, where it is economically important for rural communities. Despite important financial investments in industrial infrastructure over recent decades, the maple syrup yield (ml of sap\/tap\/year) has followed a general declining trend over the last 15 years, presumably because of unfavourable climatic conditions. In this study, the relationship between climate and maple syrup yield by tap for the whole province was investigated.<\/p> <p>A multiple regression model using four monthly climatic variables (mean January and April temperature and maximum temperature in February and March) explained 84% of the annual variation in yield between 1985 and 2006. This model was used to predict sugar maple syrup yield using a data set of future climatic scenarios issued from a large number of global climate models driven by different scenarios of CO<sub>2<\/sub> emissions. The results show that sap yield of sugar maple should decrease by 15 and 22% in 2050 and 2090, respectively, as compared to the 1985\u20132006 period. The increase in mean April temperature was responsible for most of the reduction in yield. Assuming that the variables included in the prediction model are expressing a pattern of successive climatic conditions that could be displaced in time, i.e., that may happen sooner in the season, the maple syrup yield could be maintained at its current level if the period of sap production can shift in time to occur 12 days and 19 days sooner in 2050 and 2090, respectively. Other potential effects of climate change on sugar maple range and health that could also affect the yield of maple syrup production in the future were not addressed in this study.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Forest Ecology and Management 258(12): 2683-2689 Due to the exceptional sweetness of its sap, sugar maple (Acer saccharum Marsh.) is economically exploited at a commercial scale for maple syrup production in northeastern North America. Approximately 80% of world production is realised in the province of Qu\u00e9bec, Canada, where it is economically important for [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1183,1185,1180],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[],"class_list":["post-82505","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-ecosystems-and-environment","cptt_theme-forest-ecology","cptt_theme-forestry-research","cptt_categ_publi-scientific-article"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Modelling the effect of climate on maple syrup production in Qu\u00e9bec, Canada - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"In this study, the relationship between climate and maple syrup yield by tap for the whole province was investigated...\" \/>\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\/modelling-effect-climate-maple-syrup-production\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Modelling the effect of climate on maple syrup production in Qu\u00e9bec, Canada - 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