RossiTremblayMorinEtAl2009a

Référence

Rossi, S., Tremblay, M.-J., Morin, H. and Levasseur, V. (2009) Stand structure and dynamics of Picea mariana on the northern border of the natural closed boreal forest in Quebec, Canada. Canadian Journal of Forest Research, 39(12):2307-2318. (Scopus )

Résumé

The boreal forest of higher latitudes constitutes a reservoir of trees of great ecological importance and unknown economic potential, but the stand dynamics in these regions still remain essentially unexplored. This paper examines the change in age and size structures during stand development on the northern border of the natural closed boreal forest in Quebec, Canada. Height, diameter, and age of trees were measured in 18 plots with stand ages between 77 and 340 years. The occurrence, size, and origin (layer or seed) of seedlings and saplings were assessed in subplots. Tree density ranged from 600 to 3750 trees ha<sup>-1</sup>. Picea mariana (Mill.) BSP was the dominant species, mainly originating by layering. A cluster analysis segregated plots into even-aged and uneven-aged stands according to tree age, but size distribution of trees, saplings, and seedlings did not differ statistically between the two groups. Even-aged stands exhibited a 60% probability of assuming an uneven-aged structure between 120 and 200 years after stand initiation. At high latitudes, the closed boreal forest of P. mariana appears homogeneously sized, with similar distributions of diameter and height across all stages of stand development.

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@ARTICLE { RossiTremblayMorinEtAl2009a,
    AUTHOR = { Rossi, S. and Tremblay, M.-J. and Morin, H. and Levasseur, V. },
    TITLE = { Stand structure and dynamics of Picea mariana on the northern border of the natural closed boreal forest in Quebec, Canada },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2009 },
    VOLUME = { 39 },
    PAGES = { 2307-2318 },
    NUMBER = { 12 },
    ABSTRACT = { The boreal forest of higher latitudes constitutes a reservoir of trees of great ecological importance and unknown economic potential, but the stand dynamics in these regions still remain essentially unexplored. This paper examines the change in age and size structures during stand development on the northern border of the natural closed boreal forest in Quebec, Canada. Height, diameter, and age of trees were measured in 18 plots with stand ages between 77 and 340 years. The occurrence, size, and origin (layer or seed) of seedlings and saplings were assessed in subplots. Tree density ranged from 600 to 3750 trees ha<sup>-1</sup>. Picea mariana (Mill.) BSP was the dominant species, mainly originating by layering. A cluster analysis segregated plots into even-aged and uneven-aged stands according to tree age, but size distribution of trees, saplings, and seedlings did not differ statistically between the two groups. Even-aged stands exhibited a 60% probability of assuming an uneven-aged structure between 120 and 200 years after stand initiation. At high latitudes, the closed boreal forest of P. mariana appears homogeneously sized, with similar distributions of diameter and height across all stages of stand development. },
    COMMENT = { Export Date: 12 February 2010 Source: Scopus CODEN: CJFRA doi: 10.1139/X09-152 },
    ISSN = { 00455067 (ISSN) },
    OWNER = { Luc },
    TIMESTAMP = { 2010.02.12 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-72649095733&partnerID=40&md5=2c96f0b05ef37db74388b9c4745c78c5 },
}

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