BoucherAugerNoelEtAl2017

Référence

Boucher, Y., Auger, I., Noel, J., Grondin, P. and Arseneault, D. (2017) Fire is a stronger driver of forest composition than logging in the boreal forest of eastern Canada. Journal of Vegetation Science, 28(1):57-68. (Scopus )

Résumé

AimsOur study aimed to: (1) document the preindustrial (1925) forest composition prior to extensive logging; (2) document the magnitude of changes from 1925 to 2005; and (3) identify the relative influence of logging and natural disturbances as drivers of the present‐day forest composition.LocationBoreal forest in central Quebec, eastern Canada.MethodsWe used a dense network of georeferenced historical (~1925) forest plots (n = 30 033) to document preindustrial forest composition. We evaluated the magnitude of changes with the present‐day using modern plots (1980s to 2000s). We reconstructed a long‐term, spatially explicit history of logging, spruce budworm outbreaks (Choristoneura fumiferana [Clem.], SBO), and fire using historical maps and field surveys.ResultsIn the preindustrial period, late successional coniferous taxa (Abies balsamea and Picea spp.) dominated the landscape, whereas early successional deciduous taxa (Betula spp. and Populus spp.) were confined to recently burned areas. In the present‐day landscape, large areas dominated by late successional coniferous taxa have been replaced by early successional deciduous taxa. Forest communities dominated by early successional deciduous taxa increased sharply throughout the study area. Logging has been a minor driver of these changes compared to fire and SBOs.ConclusionsThis study demonstrates the importance of documenting the long‐term history of both anthropogenic and natural disturbances in order to assess their relative contributions to the development of the present‐day forest ecosystems. Natural disturbances have remained the main drivers of forest composition during the 20th century, whereas logging played a less important role. In the current context of global change, long-term experimental research is required to help forecast impacts of natural disturbances and forest management on boreal forest composition. © 2016 International Association for Vegetation Science

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@ARTICLE { BoucherAugerNoelEtAl2017,
    AUTHOR = { Boucher, Y. and Auger, I. and Noel, J. and Grondin, P. and Arseneault, D. },
    TITLE = { Fire is a stronger driver of forest composition than logging in the boreal forest of eastern Canada },
    JOURNAL = { Journal of Vegetation Science },
    YEAR = { 2017 },
    VOLUME = { 28 },
    NUMBER = { 1 },
    PAGES = { 57-68 },
    NOTE = { cited By 1 },
    ABSTRACT = { AimsOur study aimed to: (1) document the preindustrial (1925) forest composition prior to extensive logging; (2) document the magnitude of changes from 1925 to 2005; and (3) identify the relative influence of logging and natural disturbances as drivers of the present‐day forest composition.LocationBoreal forest in central Quebec, eastern Canada.MethodsWe used a dense network of georeferenced historical (~1925) forest plots (n = 30 033) to document preindustrial forest composition. We evaluated the magnitude of changes with the present‐day using modern plots (1980s to 2000s). We reconstructed a long‐term, spatially explicit history of logging, spruce budworm outbreaks (Choristoneura fumiferana [Clem.], SBO), and fire using historical maps and field surveys.ResultsIn the preindustrial period, late successional coniferous taxa (Abies balsamea and Picea spp.) dominated the landscape, whereas early successional deciduous taxa (Betula spp. and Populus spp.) were confined to recently burned areas. In the present‐day landscape, large areas dominated by late successional coniferous taxa have been replaced by early successional deciduous taxa. Forest communities dominated by early successional deciduous taxa increased sharply throughout the study area. Logging has been a minor driver of these changes compared to fire and SBOs.ConclusionsThis study demonstrates the importance of documenting the long‐term history of both anthropogenic and natural disturbances in order to assess their relative contributions to the development of the present‐day forest ecosystems. Natural disturbances have remained the main drivers of forest composition during the 20th century, whereas logging played a less important role. In the current context of global change, long-term experimental research is required to help forecast impacts of natural disturbances and forest management on boreal forest composition. © 2016 International Association for Vegetation Science },
    AFFILIATION = { Direction de la recherche forestière, Ministère des Forêts, de la Faune et des Parcs du Québec, rue Einstein, Québec, QC, Canada; Centre for Forest Research, Université du Québec à Montréal, Centre-ville Station, P.O. Box 8888, Montréal, QC, Canada; Département de biologie, chimie et géographie, Université du Québec à Rimouski, 300, allée des Ursulines, succ. A, G5L 3A1, Rimouski, QC, Canada },
    AUTHOR_KEYWORDS = { Harvesting; Historical ecology; K-means analysis; Land surveys; Land-use change; Multivariate analysis; Picea mariana; Populus tremuloides; RDA; Wildfire },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1111/jvs.12466 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-84992316194&doi=10.1111%2fjvs.12466&partnerID=40&md5=ac06477e37323053cb6efea1e5904d22 },
}

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