BergeronRichardCarcailletEtAl1998

Référence

Bergeron, Y., Richard, P.J.H., Carcaillet, C., Gauthier, S., Flannigan, M., Prairie, Y.T. (1998) Variability in fire frequency and forest composition in Canada'ssoutheastern boreal forest: A challenge for sustainable forest management. Conservation Ecology, 2(2).

Résumé

Because some consequences of fire resemble the effects of industrialforest harvesting, forest management is often considered as a disturbancehaving effects similar to those of natural disturbances. Althoughthe analogy between forest management and fire disturbance in borealecosystems has some merit, it is important to recognize that ithas limitations. First, normal forest rotations truncate the naturalforest stand age distribution and eliminate over-mature forestsfrom the landscape. Second, in the boreal mixedwoods, natural forestdynamics following fire may involve a gradual replacement of standsof intolerant broadleaf species by mixedwood and then softwood stands,whereas current silvicultural practices promote successive rotationsof similarly composed stands. Third, the large fluctuations observedin fire frequency during the Holocene limit the use of a singlefire cycle to characterize natural fire regimes. Short fire cyclesgenerally described for boreal ecosystems do not appear to be universal;rather, shifts between short and long fire cycles have been observed.These shifts imply important changes in forest composition at thelandscape and regional levels. All of these factors create a naturalvariability in forest composition that should be maintained by forestmanagers concerned with the conservation of biodiversity. One avenueis to develop silvicultural techniques that maintain a spectrumof forest compositions over the landscape. Copyright © 1998 by TheResilience Alliance.

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@ARTICLE { BergeronRichardCarcailletEtAl1998,
    AUTHOR = { Bergeron, Y. and Richard, P.J.H. and Carcaillet, C. and Gauthier,S. and Flannigan, M. and Prairie, Y.T. },
    TITLE = { Variability in fire frequency and forest composition in Canada'ssoutheastern boreal forest: A challenge for sustainable forest management },
    JOURNAL = { Conservation Ecology },
    YEAR = { 1998 },
    VOLUME = { 2 },
    NUMBER = { 2 },
    ABSTRACT = { Because some consequences of fire resemble the effects of industrialforest harvesting, forest management is often considered as a disturbancehaving effects similar to those of natural disturbances. Althoughthe analogy between forest management and fire disturbance in borealecosystems has some merit, it is important to recognize that ithas limitations. First, normal forest rotations truncate the naturalforest stand age distribution and eliminate over-mature forestsfrom the landscape. Second, in the boreal mixedwoods, natural forestdynamics following fire may involve a gradual replacement of standsof intolerant broadleaf species by mixedwood and then softwood stands,whereas current silvicultural practices promote successive rotationsof similarly composed stands. Third, the large fluctuations observedin fire frequency during the Holocene limit the use of a singlefire cycle to characterize natural fire regimes. Short fire cyclesgenerally described for boreal ecosystems do not appear to be universal;rather, shifts between short and long fire cycles have been observed.These shifts imply important changes in forest composition at thelandscape and regional levels. All of these factors create a naturalvariability in forest composition that should be maintained by forestmanagers concerned with the conservation of biodiversity. One avenueis to develop silvicultural techniques that maintain a spectrumof forest compositions over the landscape. Copyright © 1998 by TheResilience Alliance. },
    KEYWORDS = { Boreal forest Fire regime Holocene vegetation Management for biodiversityMixedwood Sustainable forestry },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.04 },
}

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