


{"id":82260,"date":"2022-12-08T14:32:53","date_gmt":"2022-12-08T19:32:53","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/factors-black-spruce-reproductive-potential-northern-boreal-forest-quebec\/"},"modified":"2022-12-08T14:32:53","modified_gmt":"2022-12-08T19:32:53","slug":"factors-black-spruce-reproductive-potential-northern-boreal-forest-quebec","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/factors-black-spruce-reproductive-potential-northern-boreal-forest-quebec\/","title":{"rendered":"Factors influencing black spruce reproductive potential in the northern boreal forest of Quebec"},"content":{"rendered":"\n<p><strong>Published in Canadian Journal of Forest Research 52(12): 1499-1512. <a href=\"https:\/\/doi.org\/10.1139\/cjfr-2022-0092\">https:\/\/doi.org\/10.1139\/cjfr-2022-0092<\/a><\/strong><\/p>\n<p>The reproductive ecology of the semi-serotinous species black spruce (Picea mariana (Mill.) BSP) in northern boreal forests remains poorly understood. There is a general lack of data on cone\/seed production and viability as a function of biotic treelevel characteristics and abiotic variables. No studies currently exist to quantify these differences over a large gradient in temperature, elevation, and precipitation. Extensive physical, ecological, dendrometric, and reproductive data were collected from young to very old black spruce stands in northern Quebec. ANOVA and general linear mixed models were used to examine interannual cone production, and the relative importance of the biotic and abiotic explanatory factors in determining total cone production; length of the cone-bearing zone; filled seeds per cone; proportion of filled seeds; and seed viability. The results illustrate that the reproductive ecology of black spruce in northern cold forests is mainly explained by biotic variables such as age and diameter at breast height, and by abiotic variables related to temperature such as elevation, length of the growing season, and growing degree-days. Black spruce exhibits a lower reproductive potential in northern cold forests, making it possibly less resilient to increased fire frequency, particularly in unproductive and very young or very old stands.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Canadian Journal of Forest Research 52(12): 1499-1512. https:\/\/doi.org\/10.1139\/cjfr-2022-0092 The reproductive ecology of the semi-serotinous species black spruce (Picea mariana (Mill.) BSP) in northern boreal forests remains poorly understood. There is a general lack of data on cone\/seed production and viability as a function of biotic treelevel characteristics and abiotic variables. No studies currently [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1185,1180,1181],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1065,1070,1071],"class_list":["post-82260","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_categ_publi-scientific-article","cptt_auteurs_ministeriels-i-auger","cptt_auteurs_ministeriels-bouchard-m","cptt_auteurs_ministeriels-boucher-yan"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Factors influencing black spruce reproductive potential in the northern boreal forest of Quebec - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"The reproductive ecology of the semi-serotinous species black spruce in northern boreal forests remains poorly understood.\" \/>\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\/factors-black-spruce-reproductive-potential-northern-boreal-forest-quebec\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factors influencing black spruce reproductive potential in the northern boreal forest of Quebec - 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