GreeneGauthierNoelEtAl2006

Référence

Greene, D.F., Gauthier, S., Noel, J., Rousseau, M. and Bergeron, Y. (2006) A field experiment to determine the effect of post-fire salvage on seedbeds and tree regeneration. Frontiers in Ecology and the Environment, 4(2):69-74.

Résumé

In North America, Eurasia, and Australia, salvage logging is increasingly being used to mitigate economic losses due to fire, although the effects of this type of intervention are still essentially unknown. In a field experiment in a large recent boreal forest fire in central Quebec, we used 24 paired salvaged and non-salvaged stands to test the effect of salvage on the recruitment of two conifer species possessing an aerial seed bank (Pinus banksiana and Picea mariana). The seedbeds following salvage were, on average, more hospitable to germination, but, incongruously, engendered far lower regeneration densities. The poor recruitment on salvaged sites was due primarily to the loss of seeds following the immediate post-fire salvage, when cone-bearing branches were removed along with the trunks. By contrast, the density of the asexually-recruited Populus tremuloides was relatively unaffected. We suggest simple ways to modify current salvage procedures that would retard this transition from conifer to Populus forest, as well as leaving more wood in situ. © The Ecological Society of America.

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@ARTICLE { GreeneGauthierNoelEtAl2006,
    AUTHOR = { Greene, D.F. and Gauthier, S. and Noel, J. and Rousseau, M. and Bergeron, Y. },
    TITLE = { A field experiment to determine the effect of post-fire salvage on seedbeds and tree regeneration },
    JOURNAL = { Frontiers in Ecology and the Environment },
    YEAR = { 2006 },
    VOLUME = { 4 },
    PAGES = { 69-74 },
    NUMBER = { 2 },
    NOTE = { 15409295 (ISSN) Cited By (since 1996): 1 Export Date: 25 April 2007 Source: Scopus Language of Original Document: English Correspondence Address: Greene, D.F.; Department of Geography; Concordia University Montre?al, Que. H3G 1M8, Canada References: Carleton, T.J., MacLellan, P., Woody vegetation responses to fire versus clear-cutting logging: A comparative survey in the central Canadian boreal forest (1994) Ecoscience, 1, pp. 141-152; Charron, I., Greene, D.F., Post-wildfire seedbeds and tree establishment in the southern mixedwood boreal forest (2002) Can J for Res, 32, pp. 1607-1615; Enright, N.J., Marsula, R., Lamont, B.B., Wissel, C., The ecological significance of canopy seed storage in fire-prone environments: A model for resprouting shrubs (1998) J Ecol, 86, pp. 960-973; Greene, D.F., Johnson, E.A., Modeling the recruitment of Populus tremuloides, Pinus banksiana, and Picea mariana following fire in the mixedwood boreal forest of central Saskatchewan (1999) Can J for Res, 29, pp. 462-473; Greene, D.F., Zasada, J.C., Sirois, L., A review of regeneration dynamics of boreal forest tree species (1999) Can J for Res, 29, pp. 824-839; Greene, D.F., Noel, J., Bergeron, Y., Recruitment of Picea mariana, Pinus banksiana, and Populus tremuloides across a burn severity gradient following wildfire in the southern boreal forest of Quebec (2004) Can J for Res, 34, pp. 1845-1857; Hearnden, K.W., Millson, S.V., Wilson, W.C., (1992) A Report on the Status of Forest Regeneration, , Toronto, Canada: Queen's Printer; He?ly, C., (2000) Influence de la Ve?ge?tation et du Climat Dans Le Comportement des Incendies en Fore?t Bore?ale Mixte Canadienne (PhD Thesis), , Montreal, Canada: Universite? du Que?bec a? Montre?al; Hoyt, J.S., Hannon, J., Habitat associations of black-backed and three-toed woodpeckers in the boreal forest of Alberta (2002) Can J for Res, 32, pp. 1881-1888; Hutto, R.L., The composition of bird communities following stand-replacement fires in northern Rocky Mountain (USA) conifer forests (1995) Conserv Biol, 9, pp. 1041-1058; Karr, J.R., Rhodes, J.J., Minshall, G.W., The effects of postfire salvage logging on aquatic ecosystems in the American west (2004) BioScience, 54, pp. 1029-1033; Keeley, J.E., Fotheringham, C., Role of fire in regeneration from seed (2000) Seeds: the Ecology of Regeneration in Plant Communities, , Fenner M (Ed). Cambridge, MA: CAB International; Lamont, B.B., Maitre, D.C.L., Cowling, R.M., Enright, N.J., Canopy and seed storage in woody plants (1991) Bot Rev, 57, pp. 277-317; Lindenmayer, D.B., Foster, D.R., Franklin, J.F., Salvage harvesting policies after natural disturbances (2004) Science, 303, p. 1303; Nappi, A., Drapeau, P., Savard, J.-P.L., Salvage logging after wildfire in the boreal forest: Is it becoming a hot issue for wildlife? (2004) For Chron, 80, pp. 67-74; Noble, I.R., Slatyer, R.O., The use of vital attributes to predict successional changes in plant communities subject to recurrent disturbances (1980) Vegetatio, 43, pp. 5-21; Tapias, R., Gil, L., Fuentes-Utrilla, P., Pardos, J.A., Canopy seed banks in Mediterranean pines of south-eastern Spain: A comparison between Pinus halepensis Mill, P pinaster Ait, P nigra Arn and P pinea L (2001) J Ecol, 89, pp. 629-638. },
    ABSTRACT = { In North America, Eurasia, and Australia, salvage logging is increasingly being used to mitigate economic losses due to fire, although the effects of this type of intervention are still essentially unknown. In a field experiment in a large recent boreal forest fire in central Quebec, we used 24 paired salvaged and non-salvaged stands to test the effect of salvage on the recruitment of two conifer species possessing an aerial seed bank (Pinus banksiana and Picea mariana). The seedbeds following salvage were, on average, more hospitable to germination, but, incongruously, engendered far lower regeneration densities. The poor recruitment on salvaged sites was due primarily to the loss of seeds following the immediate post-fire salvage, when cone-bearing branches were removed along with the trunks. By contrast, the density of the asexually-recruited Populus tremuloides was relatively unaffected. We suggest simple ways to modify current salvage procedures that would retard this transition from conifer to Populus forest, as well as leaving more wood in situ. © The Ecological Society of America. },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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