BoulangerGirardinBernierEtAl2017

Référence

Boulanger, Y., Girardin, M., Bernier, P.Y., Gauthier, S., Beaudoin, A., Guindon, L. (2017) Changes in mean forest age in Canada’s forests could limit future increases in area burned but compromise potential harvestable conifer volumes. Canadian Journal of Forest Research, 47(6):755-764. (Scopus )

Résumé

Forest fire activity is projected to increase with climate change in Canada, but vegetation feedbacks are usually not considered. Using new information on the selectivity or avoidance of fire as a function of stand age and composition, we ran simple simulation models that consider the changes in the regional age matrices induced by fire and harvesting to project future burn rates. We also projected estimated future regional vulnerability of timber supply to fire by considering these new burn rates. The inclusion of age-related feedbacks would have a large impact on projected increases in burn rates, mostly in a very fire active zone under aggressive climate forcing. Projected burn rates would still increase, but would be 50% less in 2100 than if projected without this biotic feedback in some zones. Negative feedbacks would be virtually nonexistent when potential burning rates are below 1%, whereas realized burning rates would be lowered by more than a 0.5 percentage point when potential burning rates exceed 2.5%. Including fire-vegetation feedbacks had virtually no impact on total volume harvested. As fire burns more old-growth coniferous stands, slightly negative impacts were projected on conifer harvested almost everywhere. These results underline the need to incorporate fire-vegetation feedbacks when projecting future burn rates. © 2017, Canadian Science Publishing. All rights reserved.

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@ARTICLE { BoulangerGirardinBernierEtAl2017,
    AUTHOR = { Boulanger, Y. and Girardin, M. and Bernier, P.Y. and Gauthier, S. and Beaudoin, A. and Guindon, L. },
    TITLE = { Changes in mean forest age in Canada’s forests could limit future increases in area burned but compromise potential harvestable conifer volumes },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2017 },
    VOLUME = { 47 },
    NUMBER = { 6 },
    PAGES = { 755-764 },
    NOTE = { cited By 0 },
    ABSTRACT = { Forest fire activity is projected to increase with climate change in Canada, but vegetation feedbacks are usually not considered. Using new information on the selectivity or avoidance of fire as a function of stand age and composition, we ran simple simulation models that consider the changes in the regional age matrices induced by fire and harvesting to project future burn rates. We also projected estimated future regional vulnerability of timber supply to fire by considering these new burn rates. The inclusion of age-related feedbacks would have a large impact on projected increases in burn rates, mostly in a very fire active zone under aggressive climate forcing. Projected burn rates would still increase, but would be 50% less in 2100 than if projected without this biotic feedback in some zones. Negative feedbacks would be virtually nonexistent when potential burning rates are below 1%, whereas realized burning rates would be lowered by more than a 0.5 percentage point when potential burning rates exceed 2.5%. Including fire-vegetation feedbacks had virtually no impact on total volume harvested. As fire burns more old-growth coniferous stands, slightly negative impacts were projected on conifer harvested almost everywhere. These results underline the need to incorporate fire-vegetation feedbacks when projecting future burn rates. © 2017, Canadian Science Publishing. All rights reserved. },
    AFFILIATION = { Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 du P.E.P.S., P.O. Box 10380, Stn. Sainte-Foy, Québec, QC, Canada },
    AUTHOR_KEYWORDS = { Boreal forest; Canada; Climate change; Fire-vegetation feedbacks; Forest fires; Timber supply },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/cjfr-2016-0445 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020127444&doi=10.1139%2fcjfr-2016-0445&partnerID=40&md5=27a0746d49b77f5db545f19bfdb203d0 },
}

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