{"id":82107,"date":"2019-01-30T12:17:55","date_gmt":"2019-01-30T17:17:55","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/conifer-regeneration-managed-temperate-mixedwood-stands\/"},"modified":"2019-01-30T12:17:55","modified_gmt":"2019-01-30T17:17:55","slug":"conifer-regeneration-managed-temperate-mixedwood-stands","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/conifer-regeneration-managed-temperate-mixedwood-stands\/","title":{"rendered":"Conifer regeneration in managed temperate mixedwood stands: the balance between release and competition"},"content":{"rendered":"\n

Published in New Forests 46: 409-425. https:\/\/doi.org\/10.1007\/s11056-015-9468-6<\/a><\/strong><\/p>\n

We established a long-term experiment in a temperate mixedwood stand to evaluate the effectiveness of silvicultural treatments in regenerating a mixed-species cohort while maintaining the dominance of conifers. Silvicultural treatments included clearcutting using careful logging around advanced growth (CLAAG), uniform shelterwood (US), group shelterwood with (GS-s) or without scarification (GS), and an uncut control (control). After 10 years, height and ground-line diameter growth responses of advanced balsam fir (Abies balsamea<\/em> [L.] Mill.) regeneration were substantial in CLAAG and GS compared to the control, and intermediate in US. Growth responses were proportional to increases in canopy light transmittance resulting from harvest. Advanced balsam fir regeneration had low mortality (<10 %) and a high potential for release as measured by the apical dominance ratio. At the stand level, however, a shift in species composition occurred in the regenerating cohort. Over the 10-year period, composition changed from conifer-dominated to hardwood-dominated in CLAAG, GS, and GS-s compared to the control. Scarification increased the magnitude of this shift by favoring shade-intolerant hardwoods. Results highlight the need to find a balance between releasing advance conifer regeneration and limiting competition from less desirable species.<\/p>\n","protected":false},"excerpt":{"rendered":"

Published in New Forests 46: 409-425. https:\/\/doi.org\/10.1007\/s11056-015-9468-6 We established a long-term experiment in a temperate mixedwood stand to evaluate the effectiveness of silvicultural treatments in regenerating a mixed-species cohort while maintaining the dominance of conifers. Silvicultural treatments included clearcutting using careful logging around advanced growth (CLAAG), uniform shelterwood (US), group shelterwood with (GS-s) or without […]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1180,1181,1182],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1094],"class_list":["post-82107","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-larouche-catherine-en"],"acf":[],"yoast_head":"\nConifer regeneration in managed temperate mixedwood stands: the balance between release and competition - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"Study highlights that balance between releasing advance conifer regeneration and limiting competition from less desirable species is crucial.\" \/>\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\/conifer-regeneration-managed-temperate-mixedwood-stands\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conifer regeneration in managed temperate mixedwood stands: the balance between release and competition - 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