MoussaouiFentonLeducEtAl2016

Reference

Moussaoui, L., Fenton, N.J., Leduc, A., Bergeron, Y. (2016) Can retention harvest maintain natural structural complexity? A comparison of post-harvest and post-fire residual patches in boreal forest. Forests, 7(10). (Scopus )

Abstract

Variable retention harvest promotes biodiversity conservation in managed boreal forests by ensuring forest continuity and structural complexity. However, do post-harvest and post-fire patches maintain the same structural complexity? This study compares post-harvest and post-fire residual patches and proposes retention modalities that can maintain the same structural complexity as in natural forests, here considering both continuous forest stands and post-fire residual patches. In boreal black spruce forests, 41 post-fire residual patches, and 45 post-harvest retention patches of varying size and ages (exposure time to disturbed matrix) and 37 continuous forest stands were classified into six diameter structure types. Types 1 (inverted-J) and 2 (trunked-unimodal) characterized stands dominated by small trees. The abundance of small trees decreased and the abundance of large trees increased from Type 1 to Type 6. Type 6 had the most irregular structure with a wide range of diameters. This study indicates that: (1) old post-harvest residual retentions maintained the range of structural complexity found in natural stands; (2) Types 1 and 2 were generally associated with young post-fire patches and post-harvest retention clumps; (3) the structure of residual patches containing only small trees was usually younger (in terms of the age of the original forest from which residual patches were formed) than those with larger trees. To avoid the risk of simplifying the structure, retention patches should be intentionally oriented towards Types 3-6, dominated by intermediate and large trees. © 2016 by the authors.

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@ARTICLE { MoussaouiFentonLeducEtAl2016,
    AUTHOR = { Moussaoui, L. and Fenton, N.J. and Leduc, A. and Bergeron, Y. },
    TITLE = { Can retention harvest maintain natural structural complexity? A comparison of post-harvest and post-fire residual patches in boreal forest },
    JOURNAL = { Forests },
    YEAR = { 2016 },
    VOLUME = { 7 },
    NUMBER = { 10 },
    NOTE = { cited By 0 },
    ABSTRACT = { Variable retention harvest promotes biodiversity conservation in managed boreal forests by ensuring forest continuity and structural complexity. However, do post-harvest and post-fire patches maintain the same structural complexity? This study compares post-harvest and post-fire residual patches and proposes retention modalities that can maintain the same structural complexity as in natural forests, here considering both continuous forest stands and post-fire residual patches. In boreal black spruce forests, 41 post-fire residual patches, and 45 post-harvest retention patches of varying size and ages (exposure time to disturbed matrix) and 37 continuous forest stands were classified into six diameter structure types. Types 1 (inverted-J) and 2 (trunked-unimodal) characterized stands dominated by small trees. The abundance of small trees decreased and the abundance of large trees increased from Type 1 to Type 6. Type 6 had the most irregular structure with a wide range of diameters. This study indicates that: (1) old post-harvest residual retentions maintained the range of structural complexity found in natural stands; (2) Types 1 and 2 were generally associated with young post-fire patches and post-harvest retention clumps; (3) the structure of residual patches containing only small trees was usually younger (in terms of the age of the original forest from which residual patches were formed) than those with larger trees. To avoid the risk of simplifying the structure, retention patches should be intentionally oriented towards Types 3-6, dominated by intermediate and large trees. © 2016 by the authors. },
    ART_NUMBER = { 243 },
    AUTHOR_KEYWORDS = { Black spruce-feathermoss forest; Continuous forest; Diameter structure; Disturbance; Ecosystem based management; Structural attributes },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.3390/f7100243 },
    KEYWORDS = { Biodiversity; Conservation; Ecosystems; Fires; Harvesting, Black spruce; Continuous forest; Disturbance; Ecosystem-based management; Structural attributes, Forestry, Picea mariana },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-84994891057&partnerID=40&md5=ff7383661d8b02872fa29fe2f05e645a },
}

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