MosnierOuelletSiroisEtAl2003

Référence

Mosnier, A., Ouellet, J.-P., Sirois, L. and Fournier, N. (2003) Habitat selection and home-range dynamics of the Gaspé caribou: A hierarchical analysis. Canadian Journal of Zoology, 81(7):1174-1184. (Scopus )

Résumé

We used several spatial and temporal scales to determine space and habitat use of the caribou (Rangifer tarandus caribou) of the Gaspé Peninsula. Thirty-five radio-collared caribou were followed from November 1998 to April 2001. Habitat use was studied by superimposing radiolocations on ecoforestry maps using five predefined habitat types (deciduous, immature, mature spruce, mature fir, and barren). At a finer scale, we tracked caribou in forested areas during winter 2000 and 2001 in order to describe physical and biological characteristics of foraging tracks and used stands. Our results indicated that the distribution of caribou extended beyond the limits of Gaspé Conservation Park. Patterns of space use showed the existence of three groups, which formed a metapopulation. These groups consisted of spatially distinct units that used space and habitat differently. At the home-range level, caribou preferred barren areas found in alpine and subalpine zones at all times of the year. The most frequently used forested habitat type was the mature fir. At the finer scale of foraging tracks, caribou selected fir stands characterized by dense snow conditions and large diameter trees bearing greater quantities of lichen. Our results demonstrated the importance of protecting areas outside the park that are likely to become used or reused by caribou, and of managing these areas to increase settlement by caribou. Lastly, management plans must be adapted to each of the three groups forming this metapopulation.

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@ARTICLE { MosnierOuelletSiroisEtAl2003,
    AUTHOR = { Mosnier, A. and Ouellet, J.-P. and Sirois, L. and Fournier, N. },
    TITLE = { Habitat selection and home-range dynamics of the Gaspé caribou: A hierarchical analysis },
    JOURNAL = { Canadian Journal of Zoology },
    YEAR = { 2003 },
    VOLUME = { 81 },
    PAGES = { 1174-1184 },
    NUMBER = { 7 },
    ABSTRACT = { We used several spatial and temporal scales to determine space and habitat use of the caribou (Rangifer tarandus caribou) of the Gaspé Peninsula. Thirty-five radio-collared caribou were followed from November 1998 to April 2001. Habitat use was studied by superimposing radiolocations on ecoforestry maps using five predefined habitat types (deciduous, immature, mature spruce, mature fir, and barren). At a finer scale, we tracked caribou in forested areas during winter 2000 and 2001 in order to describe physical and biological characteristics of foraging tracks and used stands. Our results indicated that the distribution of caribou extended beyond the limits of Gaspé Conservation Park. Patterns of space use showed the existence of three groups, which formed a metapopulation. These groups consisted of spatially distinct units that used space and habitat differently. At the home-range level, caribou preferred barren areas found in alpine and subalpine zones at all times of the year. The most frequently used forested habitat type was the mature fir. At the finer scale of foraging tracks, caribou selected fir stands characterized by dense snow conditions and large diameter trees bearing greater quantities of lichen. Our results demonstrated the importance of protecting areas outside the park that are likely to become used or reused by caribou, and of managing these areas to increase settlement by caribou. Lastly, management plans must be adapted to each of the three groups forming this metapopulation. },
    COMMENT = { Cited By (since 1996): 18 Export Date: 10 February 2010 Source: Scopus CODEN: CJZOA doi: 10.1139/z03-065 },
    ISSN = { 00084301 (ISSN) },
    KEYWORDS = { Ecosystems, Forestry, Geographical regions, Population statistics, Snowfall measurement, Forested habitats, Radiolocations, Biodiversity, habitat selection, habitat use, home range, space use, ungulate, Canada, Gaspe Peninsula, North America, Quebec, Abies, Picea, Rangifer tarandus, Rangifer tarandus caribou, Ungulata },
    OWNER = { Luc },
    TIMESTAMP = { 2010.02.10 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-0344496206&partnerID=40&md5=2ec55ee976c5c191cbff0b57a13e16bb },
}

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