{"id":82080,"date":"2019-01-30T12:18:33","date_gmt":"2019-01-30T17:18:33","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/commercial-thinning-maintained-species-diversity\/"},"modified":"2019-01-30T12:18:33","modified_gmt":"2019-01-30T17:18:33","slug":"commercial-thinning-maintained-species-diversity","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/commercial-thinning-maintained-species-diversity\/","title":{"rendered":"Commercial thinning that maintained species diversity of a mixed black spruce-jack pine stand enhanced productivity"},"content":{"rendered":"\n<p>Published in <strong>Scandinavian Journal of Forest Research 33(8). <a href=\"_wp_link_placeholder\" data-wplink-edit=\"true\">https:\/\/doi.org\/10.1080\/02827581.2018.1495254<\/a><\/strong><\/p>\n<p>Commercial thinning enables forest managers to meet timber production objectives. Thinning reduces tree density to alleviate competition for resources and favour growth of selected tree species. However, in doing so, thinning can homogenize the composition of mixed-species forests and raise biodiversity issues. There is increasing evidence that species richness can lead to higher productivity through a complementarity effect. Hence, thinning that would maintain species diversity of mixed-species forests could enhance stand productivity and help forest managers to reconcile timber production objectives and biodiversity issues. The objective of this study was to compare post-thinning stand production, experimentally over 10 years, in mixed and monospecific stands of black spruce (<em>Picea mariana<\/em> [Mill.] B.S.P.) and jack pine (<em>Pinus banksiana<\/em> Lamb.). The post-thinning stand production curve of the mixed stand converged toward that of the unthinned mixed stand while the production curves of the thinned and unthinned monospecific stands remained parallel. The convergent productivity of the mixed stand could be explained by a positive interaction between effects of thinning and niche complementarity. We propose that thinning that maintains species diversity of mixed stands could help forest managers who are implementing ecosystem management to reconcile timber production objectives with biodiversity issues.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Scandinavian Journal of Forest Research 33(8). https:\/\/doi.org\/10.1080\/02827581.2018.1495254 Commercial thinning enables forest managers to meet timber production objectives. Thinning reduces tree density to alleviate competition for resources and favour growth of selected tree species. However, in doing so, thinning can homogenize the composition of mixed-species forests and raise biodiversity issues. There is increasing evidence [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1185,1180,1181,1182],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1065,1067,1116],"class_list":["post-82080","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-forest-ecology","cptt_theme-forestry-research","cptt_theme-forests","cptt_theme-silviculture","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-i-auger","cptt_auteurs_ministeriels-m-barrette","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>Commercial thinning that maintained species diversity of a mixed black spruce-jack pine stand enhanced productivity - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"Thinning reduces tree density. 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