Lemaître20052387

Référence

Lemaitre, J., Villard, M.-A. (2005) Foraging patterns of pileated woodpeckers in a managed Acadian forest: A resource selection function. Canadian Journal of Forest Research, 35(10):2387-2393. (Scopus )

Résumé

We analyzed the relative influence of foraging substrate characteristics as predictors of the probability of use by the pileated woodpecker (Dryocopus pileatus L.) and determined threshold values for significant predictors. We sampled used and available substrates around 126 stations distributed in an intensively managed forest in northwestern New Brunswick, Canada. We developed a resource selection function (RSF), validated by a resampling procedure, and compared selection ratios for significant predictors. Diameter at breast height (DBH) of trees and snags was the most significant predictor, probably reflecting nesting selection by its main prey, carpenter ants (Camponotus spp.). The pileated woodpecker preferred deciduous substrates with DBH >35 cm and coniferous substrates with DBH >30 cm. Among deciduous substrates, it preferred snags over living trees, but there was no such preference for coniferous substrates. American beech (Fagus grandifolia Ehrh.) was clearly preferred over all other species. The RSF we developed and the thresholds we obtained should help forest managers and conservation planners assess habitat quality for this keystone species. © 2005 NRC.

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@ARTICLE { Lemaître20052387,
    AUTHOR = { Lemaitre, J. and Villard, M.-A. },
    TITLE = { Foraging patterns of pileated woodpeckers in a managed Acadian forest: A resource selection function },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2005 },
    VOLUME = { 35 },
    NUMBER = { 10 },
    PAGES = { 2387-2393 },
    NOTE = { cited By 13 },
    ABSTRACT = { We analyzed the relative influence of foraging substrate characteristics as predictors of the probability of use by the pileated woodpecker (Dryocopus pileatus L.) and determined threshold values for significant predictors. We sampled used and available substrates around 126 stations distributed in an intensively managed forest in northwestern New Brunswick, Canada. We developed a resource selection function (RSF), validated by a resampling procedure, and compared selection ratios for significant predictors. Diameter at breast height (DBH) of trees and snags was the most significant predictor, probably reflecting nesting selection by its main prey, carpenter ants (Camponotus spp.). The pileated woodpecker preferred deciduous substrates with DBH >35 cm and coniferous substrates with DBH >30 cm. Among deciduous substrates, it preferred snags over living trees, but there was no such preference for coniferous substrates. American beech (Fagus grandifolia Ehrh.) was clearly preferred over all other species. The RSF we developed and the thresholds we obtained should help forest managers and conservation planners assess habitat quality for this keystone species. © 2005 NRC. },
    AFFILIATION = { Chaire de Recherche du Canada en Conservation des Paysages, Département de Biologie, Université de Moncton, Moncton, NB E1A 3E9, Canada; Département de Biologie, Faculté des Sciences et de Génie, Université Laval, Québec, Que. G1K 7P4, Canada },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/x05-148 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-33644589970&doi=10.1139%2fx05-148&partnerID=40&md5=e8a261e7d83eb0c86311f2a4600bca74 },
}

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