LyckeImbeauDrapeau2011

Référence

Lycke, A., Imbeau, L. and Drapeau, P. (2011) Effects of commercial thinning on site occupancy and habitat use by spruce grouse in boreal Quebec. Canadian Journal of Forest Research, 41(3):501-508. (Scopus )

Résumé

Partial cuts are increasingly proposed to maintain habitats for species negatively affected by clearcutting, even if their benefits on nonpasserine birds and large mammals are still poorly documented. Our main objective was to evaluate effects of commercial thinning (CT) on spruce grouse (Falcipennis canadensis L.), a game bird of the boreal forest. Because this species is known to be associated with a dense vegetation cover, we hypothesized that habitat use would be lower in treated sites. In spring 2006, we evaluated site occupancy in 94 forest stands (50 CT and 44 uncut stands) in Quebec by visiting each on three occasions during the breeding season (March-May). Additionally, during the molting period (May-July), we used radiotelemetry to monitor habitat use by 19 males. As compared with uncut stands, results show that a lower proportion of CTs were used in spring (39% versus 60%, after accounting for detection). During the molting period, CTs were also used less than expected according to their availability. The significant reduction of lateral and vertical forest cover in CT may explain these results. We conclude that even if CT is perceived beneficial for wildlife, it does not completely fulfill the needs of species associated with dense understory vegetation, such as spruce grouse.

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@ARTICLE { LyckeImbeauDrapeau2011,
    AUTHOR = { Lycke, A. and Imbeau, L. and Drapeau, P. },
    TITLE = { Effects of commercial thinning on site occupancy and habitat use by spruce grouse in boreal Quebec },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2011 },
    VOLUME = { 41 },
    PAGES = { 501-508 },
    NUMBER = { 3 },
    ABSTRACT = { Partial cuts are increasingly proposed to maintain habitats for species negatively affected by clearcutting, even if their benefits on nonpasserine birds and large mammals are still poorly documented. Our main objective was to evaluate effects of commercial thinning (CT) on spruce grouse (Falcipennis canadensis L.), a game bird of the boreal forest. Because this species is known to be associated with a dense vegetation cover, we hypothesized that habitat use would be lower in treated sites. In spring 2006, we evaluated site occupancy in 94 forest stands (50 CT and 44 uncut stands) in Quebec by visiting each on three occasions during the breeding season (March-May). Additionally, during the molting period (May-July), we used radiotelemetry to monitor habitat use by 19 males. As compared with uncut stands, results show that a lower proportion of CTs were used in spring (39% versus 60%, after accounting for detection). During the molting period, CTs were also used less than expected according to their availability. The significant reduction of lateral and vertical forest cover in CT may explain these results. We conclude that even if CT is perceived beneficial for wildlife, it does not completely fulfill the needs of species associated with dense understory vegetation, such as spruce grouse. },
    COMMENT = { Export Date: 31 March 2011 Source: Scopus CODEN: CJFRA doi: 10.1139/X10-226 },
    ISSN = { 00455067 (ISSN) },
    OWNER = { Luc },
    TIMESTAMP = { 2011.03.31 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-79952240406&partnerID=40&md5=5a027cb06d3e737ad8c518b01c8cc620 },
}

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