BourgeoisMessierBrais2004

Référence

Bourgeois, L., Messier, C. and Brais, S. (2004) Mountain maple and balsam fir early response to partial and clear-cut harvesting under aspen stands of northern Quebec. Canadian Journal of Forest Research, 34(10):2049-2059.

Résumé

This study is a component of the Sylviculture et ame?nagement forestier e?cosyste?mique project, which examines ecosystem-based forest management strategies in mixedwood boreal forests. Four harvesting treatments, one no-harvest, one clearcut, and two partial cuts (33% and 61% of basal area removed), were applied to even-aged aspen stands according to a complete block design. Mountain maple (Acer spicatum Lamb.) and balsam fir (Abies balsamea (L.) Mill.) early response was examined to understand how they react to and interact with canopy opening. Only in clearcuts was maple's response (increase in growth and density) sustained and significant. Balsam fir suffered from a very slight "growth shock" 1 year after harvesting in both clear-cut and two-thirds partial-cut treatments, but growth and vigour increased with canopy opening during the next 2 years. The first year following harvesting, balsam fir growth was negatively affected by understorey aspen and mountain maple. Our results show that the two-thirds partial harvesting treatment could speed up the conversion of pure aspen stands toward mixedwood.

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@ARTICLE { BourgeoisMessierBrais2004,
    AUTHOR = { Bourgeois, L. and Messier, C. and Brais, S. },
    TITLE = { Mountain maple and balsam fir early response to partial and clear-cut harvesting under aspen stands of northern Quebec },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2004 },
    VOLUME = { 34 },
    PAGES = { 2049-2059 },
    NUMBER = { 10 },
    NOTE = { Cited By (since 1996): 2 Export Date: 6 March 2007 Source: Scopus },
    ABSTRACT = { This study is a component of the Sylviculture et ame?nagement forestier e?cosyste?mique project, which examines ecosystem-based forest management strategies in mixedwood boreal forests. Four harvesting treatments, one no-harvest, one clearcut, and two partial cuts (33% and 61% of basal area removed), were applied to even-aged aspen stands according to a complete block design. Mountain maple (Acer spicatum Lamb.) and balsam fir (Abies balsamea (L.) Mill.) early response was examined to understand how they react to and interact with canopy opening. Only in clearcuts was maple's response (increase in growth and density) sustained and significant. Balsam fir suffered from a very slight "growth shock" 1 year after harvesting in both clear-cut and two-thirds partial-cut treatments, but growth and vigour increased with canopy opening during the next 2 years. The first year following harvesting, balsam fir growth was negatively affected by understorey aspen and mountain maple. Our results show that the two-thirds partial harvesting treatment could speed up the conversion of pure aspen stands toward mixedwood. },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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