PothierPrevost2008

Référence

Pothier, D. and Prevost, M. (2008) Regeneration development under shelterwoods in a lowland red spruce - Balsam fir stand. Canadian Journal of Forest Research, 38(1):31-39. (Scopus )

Résumé

The shelterwood system can be used to establish regeneration and to improve the growing conditions of seedlings and, thereby, increase their probability of survival after final harvest. To determine the cutting intensity that best promotes the development of red spruce (Picea rubens Sarg.) regeneration, an experiment, including four repetitions of five treatments (control; low, moderate, and heavy partial cuttings; and clear-cutting), was established in a lowland stand in Quebec, Canada, dominated by red spruce and balsam fir (Abies balsamea (L.) Mill.). Regeneration development responses to treatments varied according to cutting intensity, species, and position relative to the skidding trails in the residual stands. Ten years after treatment, red spruce seedlings were well established but were smaller than those of balsam fir and deciduous species. Red spruce seedling height was generally greater in partial-cut skidding trails, as was light availability. However, in clearcuts, the size of red spruce seedlings established in skidding trails seemed to be negatively affected by the considerable quantity of woody debris strewn over them. Among the partial-cut treatments, tree regeneration leaf biomass was the highest where 60% of the initial basal area was removed. Thus, this treatment is an attractive alternative to clear-cutting in such lowland stands where watering-up is anticipated after final harvest. © 2008 NRC.

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@ARTICLE { PothierPrevost2008,
    AUTHOR = { Pothier, D. and Prevost, M. },
    TITLE = { Regeneration development under shelterwoods in a lowland red spruce - Balsam fir stand },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2008 },
    VOLUME = { 38 },
    PAGES = { 31-39 },
    NUMBER = { 1 },
    ABSTRACT = { The shelterwood system can be used to establish regeneration and to improve the growing conditions of seedlings and, thereby, increase their probability of survival after final harvest. To determine the cutting intensity that best promotes the development of red spruce (Picea rubens Sarg.) regeneration, an experiment, including four repetitions of five treatments (control; low, moderate, and heavy partial cuttings; and clear-cutting), was established in a lowland stand in Quebec, Canada, dominated by red spruce and balsam fir (Abies balsamea (L.) Mill.). Regeneration development responses to treatments varied according to cutting intensity, species, and position relative to the skidding trails in the residual stands. Ten years after treatment, red spruce seedlings were well established but were smaller than those of balsam fir and deciduous species. Red spruce seedling height was generally greater in partial-cut skidding trails, as was light availability. However, in clearcuts, the size of red spruce seedlings established in skidding trails seemed to be negatively affected by the considerable quantity of woody debris strewn over them. Among the partial-cut treatments, tree regeneration leaf biomass was the highest where 60% of the initial basal area was removed. Thus, this treatment is an attractive alternative to clear-cutting in such lowland stands where watering-up is anticipated after final harvest. © 2008 NRC. },
    COMMENT = { Export Date: 11 March 2008 Source: Scopus CODEN: CJFRA doi: 10.1139/X07-135 },
    ISSN = { 00455067 (ISSN) },
    OWNER = { Luc },
    TIMESTAMP = { 2008.03.11 },
    URL = { http://www.scopus.com/scopus/inward/record.url?eid=2-s2.0-39649120277&partnerID=40&rel=R7.0.0 },
}

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