{"id":82443,"date":"2019-01-30T12:18:33","date_gmt":"2019-01-30T17:18:33","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/entry-commercial-thinning-effects-pinus-banksiana\/"},"modified":"2019-01-30T12:18:33","modified_gmt":"2019-01-30T17:18:33","slug":"entry-commercial-thinning-effects-pinus-banksiana","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/entry-commercial-thinning-effects-pinus-banksiana\/","title":{"rendered":"Late-entry commercial thinning effects on Pinus banksiana: growth, yield, and stand dynamics in Qu\u00e9bec, Canada"},"content":{"rendered":"\n<p>Published in <strong>Journal of Forestry Research 28(3): 95-106. <a href=\"https:\/\/doi.org\/10.1007\/s11676-018-0778-3\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.1007\/s11676-018-0778-3<\/a><\/strong><\/p>\n<p>We studied late-entry commercial thinning effects on growth, yield, and regeneration in a 48-year-old jack pine (<em>Pinus banksiana<\/em> Lamb.) stand. Applied thinning intensities were 27, 32, and 47% of merchantable basal area (BA) excluding skidding trails. After 15&nbsp;years, mean diameter at breast height of surviving trees in the 47% BA removal increased by 4.9&nbsp;cm (25%) compared to the unthinned control. The 47% BA removal also increased gross merchantable volume (GMV) tree\u22121 by 46% compared to the control. The 27% BA removal had twice as much GMV&nbsp;ha\u22121 compared to the 47% BA removal after 15&nbsp;years. Moreover, cumulative GMV&nbsp;ha\u22121 was much higher in the 27% BA removal than in the unthinned control. The highest thinning intensity produced larger trees on average, while the lowest thinning intensity maximized volume production per hectare. Maintenance of acceptable growing stock throughout the 15-year period in the 27% BA removal could provide other ecosystem functions such as biodiversity enhancement or wildlife habitat by delaying senescence. Regeneration data showed that a shift in species composition occurred in the understory. After 15&nbsp;years, the understory was dominated by black spruce (<em>Picea mariana<\/em> (Mill.) B.S.P.), white birch (<em>Betula papyrifera<\/em> Marsh.), and trembling aspen (<em>Populus tremuloides<\/em> Michx.). If regenerating jack pine is an objective after final overstory removal, additional efforts will be needed to re-establish this species.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Journal of Forestry Research 28(3): 95-106. https:\/\/doi.org\/10.1007\/s11676-018-0778-3 We studied late-entry commercial thinning effects on growth, yield, and regeneration in a 48-year-old jack pine (Pinus banksiana Lamb.) stand. Applied thinning intensities were 27, 32, and 47% of merchantable basal area (BA) excluding skidding trails. After 15&nbsp;years, mean diameter at breast height of surviving trees [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1180,1181,1182],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1116],"class_list":["post-82443","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-s-tremblay"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Late-entry commercial thinning effects on Pinus banksiana: growth, yield, and stand dynamics in Qu\u00e9bec, Canada - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"We studied late-entry commercial thinning effects on growth, yield, and regeneration in a 48-year-old jack pine (Pinus banksiana Lamb.) stand\" \/>\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\/entry-commercial-thinning-effects-pinus-banksiana\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Late-entry commercial thinning effects on Pinus banksiana: growth, yield, and stand dynamics in Qu\u00e9bec, Canada - 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