Jordan2008523

Référence

Jordan, G.J., Fortin, M.-J., Lertzman, K.P. (2008) Spatial pattern and persistence of historical fire boundaries in southern interior British Columbia. Environmental and Ecological Statistics, 15(4):523-535. (Scopus )

Résumé

Recent ecosystem and fire management research aims to quantify, model and understand historical fire disturbances focusing on their frequency, size and distribution. Less attention, however, has been paid to fire boundaries and their location on the landscape. Our study presents a spatial method to quantify the location, pattern and persistence of historical fire boundaries using tree ring fire scar data in the lower Stein watershed (British Columbia). Data from Pinus ponderosa and Pseudotsuga menziesii collected in 35 one-hectare plots over a 412-hectare study area were analyzed for the period between 1879 and 1947 using local spatial statistics and boundary detection techniques. Results of the analysis using local spatial statistic Moran's I showed significant clustering of boundaries near topographic breaks. To determine and test whether fire boundaries between plots were persistent, we used boundary detection methods and developed a spatially restricted randomization test. The results revealed that out of 86 possible boundary links, 8 were significantly persistent (P < 0.025) while another 8 were significantly rare (P < 0.025). These spatial methods can help determine the historical spatial configuration of persistent boundaries and can be used to maintain natural forest dynamics. © Springer Science+Business Media, LLC 2007.

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@ARTICLE { Jordan2008523,
    AUTHOR = { Jordan, G.J. and Fortin, M.-J. and Lertzman, K.P. },
    TITLE = { Spatial pattern and persistence of historical fire boundaries in southern interior British Columbia },
    JOURNAL = { Environmental and Ecological Statistics },
    YEAR = { 2008 },
    VOLUME = { 15 },
    NUMBER = { 4 },
    PAGES = { 523-535 },
    NOTE = { cited By 8 },
    ABSTRACT = { Recent ecosystem and fire management research aims to quantify, model and understand historical fire disturbances focusing on their frequency, size and distribution. Less attention, however, has been paid to fire boundaries and their location on the landscape. Our study presents a spatial method to quantify the location, pattern and persistence of historical fire boundaries using tree ring fire scar data in the lower Stein watershed (British Columbia). Data from Pinus ponderosa and Pseudotsuga menziesii collected in 35 one-hectare plots over a 412-hectare study area were analyzed for the period between 1879 and 1947 using local spatial statistics and boundary detection techniques. Results of the analysis using local spatial statistic Moran's I showed significant clustering of boundaries near topographic breaks. To determine and test whether fire boundaries between plots were persistent, we used boundary detection methods and developed a spatially restricted randomization test. The results revealed that out of 86 possible boundary links, 8 were significantly persistent (P < 0.025) while another 8 were significantly rare (P < 0.025). These spatial methods can help determine the historical spatial configuration of persistent boundaries and can be used to maintain natural forest dynamics. © Springer Science+Business Media, LLC 2007. },
    AFFILIATION = { School of Resource and Environmental Management, Simon Fraser University, Burnaby, BC V5A 1S6, Canada; Geography Program, Trinity Western University, 7600 Glover Road, Langley, BC V2Y 1Y1, Canada; Department of Zoology, University of Toronto, Toronto, ON M5S 3G5, Canada },
    AUTHOR_KEYWORDS = { Boundary; British Columbia; Forest fire; Low-severity fire; Moran's I; Natural disturbance; Stein River watershed },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1007/s10651-007-0063-7 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-55349124606&doi=10.1007%2fs10651-007-0063-7&partnerID=40&md5=a86ab7b70fc87b2a75bb7527f02b8483 },
}

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