PothierMaillyTremblay2005

Référence

Pothier, D., Mailly, D. and Tremblay, S. (2005) Predicting balsam fir growth reduction caused by spruce budworm using large-scale historical records of defoliation. Annals of Forest Science, 62(3):261-267.

Résumé

To predict the reduction in growth of balsam fir (Abies balsamea (L.) Mill) subjected to spruce budworm (Choristoneura fumiferana (Clem.)) epidemics, tree-ring chronologies of dominant trees were related to historical records of defoliation collected in the province of Quebec, Canada. These trees were sampled on 136 sites and were harvested for stem analyses that allowed us to calculate indexed radial growth and tree volume increment for a period (1965-1995) that covers the last insect outbreak. Defoliation variables explained 36% and 23% of the annual changes in ring width index and annual volume increment index, respectively. Defoliation that dated back by as much as six years affected current-year growth whereas current-year defoliation had limited impact. Several severe annual defoliation events reduced volume growth of dominant balsam fir by 50% over a 10-year period. These results can help predict future growth reduction among dominant balsam fir trees subjected to different scenarios of spruce budworm defoliation over broad areas.

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@ARTICLE { PothierMaillyTremblay2005,
    AUTHOR = { Pothier, D. and Mailly, D. and Tremblay, S. },
    TITLE = { Predicting balsam fir growth reduction caused by spruce budworm using large-scale historical records of defoliation },
    JOURNAL = { Annals of Forest Science },
    YEAR = { 2005 },
    VOLUME = { 62 },
    PAGES = { 261-267 },
    NUMBER = { 3 },
    NOTE = { Times Cited: 1 },
    ABSTRACT = { To predict the reduction in growth of balsam fir (Abies balsamea (L.) Mill) subjected to spruce budworm (Choristoneura fumiferana (Clem.)) epidemics, tree-ring chronologies of dominant trees were related to historical records of defoliation collected in the province of Quebec, Canada. These trees were sampled on 136 sites and were harvested for stem analyses that allowed us to calculate indexed radial growth and tree volume increment for a period (1965-1995) that covers the last insect outbreak. Defoliation variables explained 36% and 23% of the annual changes in ring width index and annual volume increment index, respectively. Defoliation that dated back by as much as six years affected current-year growth whereas current-year defoliation had limited impact. Several severe annual defoliation events reduced volume growth of dominant balsam fir by 50% over a 10-year period. These results can help predict future growth reduction among dominant balsam fir trees subjected to different scenarios of spruce budworm defoliation over broad areas. },
    KEYWORDS = { balsam fir; spruce budworm; defoliation class; growth reduction; stem analysis UNSPACED STANDS; QUEBEC; OUTBREAKS; MORTALITY; PATTERNS; MODEL; INCREMENT; REGION; VOLUME },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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