{"id":82267,"date":"2021-02-03T09:44:42","date_gmt":"2021-02-03T14:44:42","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/fire-driver-wood-mechanical-traits-boreal-forest\/"},"modified":"2021-02-03T09:44:42","modified_gmt":"2021-02-03T14:44:42","slug":"fire-driver-wood-mechanical-traits-boreal-forest","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/fire-driver-wood-mechanical-traits-boreal-forest\/","title":{"rendered":"Fire as a driver of wood mechanical traits in the boreal forest"},"content":{"rendered":"\n<p>Published in <strong>Forest Ecology and Management 476: 118460. <a href=\"https:\/\/doi.org\/10.1016\/j.foreco.2020.118460\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.1016\/j.foreco.2020.118460<\/a><\/strong><\/p>\n<p>In boreal forests where the fire return interval is long, the high structural variability of stands may affect wood traits. Here, we build on earlier work that revealed a difference in wood mechanical traits of black spruce between regular (regenerated from fire in the last 200\u00a0years) and irregular (undisturbed by fire for at least 200\u00a0years) stands. This study aimed to identify the ecological drivers of this variation in wood traits. To do so, we first sought to corroborate existing results on the effects of stand structure induced by the time since the last stand-replacing fire (TSLF) on wood mechanical stiffness in the eastern boreal forest of Canada. Results confirmed that black spruce from regular stands tend to produce wood with higher modulus of elasticity (MOE) than those from irregular stands. For both regular and irregular stands, we compared a set of linear models that were defined a priori to determine the structural and site productivity variables having the largest influence on MOE. The \u2018growth efficiency index\u2019 (aboveground woody biomass production per unit leaf area) was the best predictor of MOE variation among regular stands. For irregular stands, the model with TSLF as the sole explanatory variable was a better predictor of MOE than any other candidate model. However, we did not find strong evidence of a direct relationship between TSLF and wood traits, since our best models explained a relatively small proportion of the variance. Our results suggest that differences in wood traits could be attributable to the seed or layer origin of the trees and\/or to the length of time trees remain in the understory. We propose that intensive wood production strategies focus on stands of the first post-fire cohort.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Forest Ecology and Management 476: 118460. https:\/\/doi.org\/10.1016\/j.foreco.2020.118460 In boreal forests where the fire return interval is long, the high structural variability of stands may affect wood traits. Here, we build on earlier work that revealed a difference in wood mechanical traits of black spruce between regular (regenerated from fire in the last 200\u00a0years) [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1180,1181,1182],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1118],"class_list":["post-82267","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-forestry-research","cptt_theme-forests","cptt_theme-silviculture","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-charles-ward-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fire as a driver of wood mechanical traits in the boreal forest - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"In boreal forests where the fire return interval is long, the high structural variability of stands may affect wood traits.\" \/>\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\/fire-driver-wood-mechanical-traits-boreal-forest\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fire as a driver of wood mechanical traits in the boreal forest - 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Minist\u00e8re des Ressources naturelles et des For\u00eats","description":"In boreal forests where the fire return interval is long, the high structural variability of stands may affect wood traits.","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:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/fire-driver-wood-mechanical-traits-boreal-forest\/","og_locale":"en_US","og_type":"article","og_title":"Fire as a driver of wood mechanical traits in the boreal forest - Minist\u00e8re des Ressources naturelles et des For\u00eats","og_description":"In boreal forests where the fire return interval is long, the high structural variability of stands may affect wood traits.","og_url":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/fire-driver-wood-mechanical-traits-boreal-forest\/","og_site_name":"Minist\u00e8re des Ressources naturelles et des For\u00eats","article_publisher":"https:\/\/www.facebook.com\/RessourcesNaturellesForets\/","og_image":[{"width":1200,"height":630,"url":"\/wp-content\/uploads\/Image-g%c3%a9n%c3%a9rale-hiver_FB.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@mrnfqc","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/fire-driver-wood-mechanical-traits-boreal-forest\/","url":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/fire-driver-wood-mechanical-traits-boreal-forest\/","name":"Fire as a driver of wood mechanical traits in the boreal forest - 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