{"id":82379,"date":"2019-01-30T12:18:04","date_gmt":"2019-01-30T17:18:04","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/impacts-climate-change-production-maple-syrup\/"},"modified":"2019-01-30T12:18:04","modified_gmt":"2019-01-30T17:18:04","slug":"impacts-climate-change-production-maple-syrup","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/impacts-climate-change-production-maple-syrup\/","title":{"rendered":"Impacts of climate change on the timing of the production season of maple syrup in Eastern Canada"},"content":{"rendered":"\n<p>Published in <b>PLOS ONE 10(12): e0144844. <a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0144844\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.1371\/journal.pone.0144844<\/a><\/b><\/p>\n<p>Maple syrup production is an important economic activity in north-eastern North-America. The beginning and length of the production season is linked to daily variation in temperature. There are increasing concerns about the potential impact of climatic change on this industry. Here, we used weekly data of syrup yield for the 1999\u20132011 period from 121 maple stands in 11 regions of Qu\u00e9bec (Canada) to predict how the period of production may be impacted by climate warming. The date at which the production begins is highly variable between years with an average range of 36 days among the regions. However, the average start date for a given region, which ranged from Julian day 65 to 83, was highly predictable (r<sup>2<\/sup> = 0.88) using the average temperature from January to April (T<sub>J-A<\/sub>). A logistic model predicting the weekly presence or absence of production was also developed. Using the inputs of 77 future climate scenarios issued from global models, projections of future production timing were made based on average T<sub>J-A<\/sub> and on the logistic model. The projections of both approaches were in very good agreement and suggest that the sap season will be displaced to occur 15\u201319 days earlier on average in the 2080\u20132100 period. The data also show that the displacement in time will not be accompanied by a greater between years variability in the beginning of the season. However, in the southern part of Qu\u00e9bec, very short periods of syrup production due to unfavourable conditions in the spring will occur more frequently in the future although their absolute frequencies will remain low.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in PLOS ONE 10(12): e0144844. https:\/\/doi.org\/10.1371\/journal.pone.0144844 Maple syrup production is an important economic activity in north-eastern North-America. The beginning and length of the production season is linked to daily variation in temperature. There are increasing concerns about the potential impact of climatic change on this industry. Here, we used weekly data of syrup yield [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1183,1180,1181],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1082,1091,1107],"class_list":["post-82379","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-ecosystems-and-environment","cptt_theme-forestry-research","cptt_theme-forests","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-duchesne-louis","cptt_auteurs_ministeriels-d-houle","cptt_auteurs_ministeriels-h-power"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Impacts of climate change on the timing of the production season of maple syrup in Eastern Canada - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"In Southern Qu\u00e9bec, short periods of maple syrup production due to unfavourable conditions in the spring will be more frequent in the future.\" \/>\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\/impacts-climate-change-production-maple-syrup\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Impacts of climate change on the timing of the production season of maple syrup in Eastern Canada - Minist\u00e8re des Ressources naturelles et des For\u00eats\" \/>\n<meta property=\"og:description\" content=\"In Southern Qu\u00e9bec, short periods of maple syrup production due to unfavourable conditions in the spring will be more frequent in the future.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/impacts-climate-change-production-maple-syrup\/\" \/>\n<meta property=\"og:site_name\" content=\"Minist\u00e8re des Ressources naturelles et des For\u00eats\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/RessourcesNaturellesForets\/\" \/>\n<meta property=\"og:image\" content=\"\/wp-content\/uploads\/Image-g%c3%a9n%c3%a9rale-hiver_FB.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@mrnfqc\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/impacts-climate-change-production-maple-syrup\/\",\"url\":\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/impacts-climate-change-production-maple-syrup\/\",\"name\":\"Impacts of climate change on the timing of the production season of maple syrup in Eastern Canada - 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