CyrGauthierEtheridgeEtAl2010

Référence

Cyr, D., Gauthier, S., Etheridge, D.A., Kayahara, G.J. and Bergeron, Y. (2010) A simple Bayesian Belief Network for estimating the proportion of old-forest stands in the Clay Belt of Ontario using the provincial forest inventory. Canadian Journal of Forest Research, 40(3):573-584. (Scopus )

Résumé

The differences between boreal forest landscapes produced by natural disturbance regimes and landscapes produced by harvesting are important and increasingly well documented. To continue harvesting operations while maintaining biodiversity and other ecosystem services, government policies and certification processes are pushing for practices that preserve landscape features within their range of natural variability. One major shortcoming in the implementation of such a strategy is the lack of complete spatial or temporal information about these landscape features, such as the proportion of old stands, which are believed to act as a coarse filter for conservation if they remain representative enough of natural conditions. The objective of this study was to quantify the proportion of old stands in a very large landscape by combining fragmentary knowledge from two different sources, i.e., a provincial forest inventory and existing fire history reconstructions using a Bayesian Belief Network. This study was conducted over a 6.5 Mha landscape located within the Clay Belt of the province of Ontario, Canada, and suggests that more than 72.4% of this area is occupied by stands where no fire occurred during the last 150 years. The implications for management and potential for future research are discussed.

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@ARTICLE { CyrGauthierEtheridgeEtAl2010,
    AUTHOR = { Cyr, D. and Gauthier, S. and Etheridge, D.A. and Kayahara, G.J. and Bergeron, Y. },
    TITLE = { A simple Bayesian Belief Network for estimating the proportion of old-forest stands in the Clay Belt of Ontario using the provincial forest inventory },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2010 },
    VOLUME = { 40 },
    PAGES = { 573-584 },
    NUMBER = { 3 },
    ABSTRACT = { The differences between boreal forest landscapes produced by natural disturbance regimes and landscapes produced by harvesting are important and increasingly well documented. To continue harvesting operations while maintaining biodiversity and other ecosystem services, government policies and certification processes are pushing for practices that preserve landscape features within their range of natural variability. One major shortcoming in the implementation of such a strategy is the lack of complete spatial or temporal information about these landscape features, such as the proportion of old stands, which are believed to act as a coarse filter for conservation if they remain representative enough of natural conditions. The objective of this study was to quantify the proportion of old stands in a very large landscape by combining fragmentary knowledge from two different sources, i.e., a provincial forest inventory and existing fire history reconstructions using a Bayesian Belief Network. This study was conducted over a 6.5 Mha landscape located within the Clay Belt of the province of Ontario, Canada, and suggests that more than 72.4% of this area is occupied by stands where no fire occurred during the last 150 years. The implications for management and potential for future research are discussed. },
    COMMENT = { Export Date: 21 June 2010 Source: Scopus CODEN: CJFRA doi: 10.1139/X10-025 },
    ISSN = { 00455067 (ISSN) },
    KEYWORDS = { Bayesian Belief Networks, Boreal forests, Certification process, Ecosystem services, Fire history, Forest inventory, Forest stand, Government policy, Landscape feature, Natural conditions, Natural disturbance regime, Natural variability, Ontario, Ontario , Canada, Temporal information, Biodiversity, Ecosystems, Harvesting, Bayesian networks, Bayesian analysis, boreal forest, ecosystem service, environmental disturbance, environmental protection, forest fire, forest inventory, forest management, forestry policy, harvesting, landscape ecology, policy approach, reconstruction, stand structure, sustainable forestry, Canada, Ontario [Canada] },
    OWNER = { Luc },
    TIMESTAMP = { 2010.06.21 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-77949576125&partnerID=40&md5=401a9f8bb00ab3e8a22a9749263f907f },
}

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