BouletDarveauBelanger2003
Référence
Boulet, M., Darveau, M. and Belanger, L. (2003) Nest predation and breeding activity of songbirds in riparian and nonriparian black spruce strips of central Quebec. Canadian Journal of Forest Research, 33(5):922-930.
Résumé
The black spruce (Picea mariana (Mill.) BSP) forests of Quebec are often harvested according to a single-pass system where clearcuts are separated by 20- to 60-m-wide forest strips. Little is known about the suitability of these strips as habitats for breeding birds. We selected five nonriparian strips, five riparian strips, and five forest control sites located in a forested area of central Quebec. During 1997-1998, we monitored the predation of artificial bird nests baited with a common quail (Coturnix coturnix L.) egg and a plasticine egg and the breeding activity of adult songbirds in strips and controls. Artificial nest predation was high in all sites (72%). The most common predators were specialists of mature coniferous forests: gray jays (Perisoreus canadensis L.) and red squirrels (Tamiasciurus hudsonicus Erxleben). In forest-dwelling bird species, the number of breeding pairs was lower in strips than in controls. We conclude that the small number of forest-dwelling breeding birds observed in strips is not related to an increase in predation pressure following harvest of adjacent forests and that forest strips are not suitable breeding habitats for these species.
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@ARTICLE { BouletDarveauBelanger2003,
AUTHOR = { Boulet, M. and Darveau, M. and Belanger, L. },
TITLE = { Nest predation and breeding activity of songbirds in riparian and nonriparian black spruce strips of central Quebec },
JOURNAL = { Canadian Journal of Forest Research },
YEAR = { 2003 },
VOLUME = { 33 },
PAGES = { 922-930 },
NUMBER = { 5 },
ABSTRACT = { The black spruce (Picea mariana (Mill.) BSP) forests of Quebec are often harvested according to a single-pass system where clearcuts are separated by 20- to 60-m-wide forest strips. Little is known about the suitability of these strips as habitats for breeding birds. We selected five nonriparian strips, five riparian strips, and five forest control sites located in a forested area of central Quebec. During 1997-1998, we monitored the predation of artificial bird nests baited with a common quail (Coturnix coturnix L.) egg and a plasticine egg and the breeding activity of adult songbirds in strips and controls. Artificial nest predation was high in all sites (72%). The most common predators were specialists of mature coniferous forests: gray jays (Perisoreus canadensis L.) and red squirrels (Tamiasciurus hudsonicus Erxleben). In forest-dwelling bird species, the number of breeding pairs was lower in strips than in controls. We conclude that the small number of forest-dwelling breeding birds observed in strips is not related to an increase in predation pressure following harvest of adjacent forests and that forest strips are not suitable breeding habitats for these species. },
KEYWORDS = { BOREAL BALSAM FIR; FOREST FRAGMENTATION; ARTIFICIAL NESTS; BUFFER STRIPS; CONIFEROUS FOREST; CAPPED CHICKADEES; BRITISH-COLUMBIA; PAIRING SUCCESS; TIMBER HARVEST; PATCH SIZE },
OWNER = { brugerolles },
TIMESTAMP = { 2007.12.05 },
}
