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Nest Habitat Selection of Western Screech-Owls (Megascops kennicottii macfarlanei) at Multiple Spatial Scales in Southeast British Columbia

Journal of Ecosystems and Management

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Title Nest Habitat Selection of Western Screech-Owls (Megascops kennicottii macfarlanei) at Multiple Spatial Scales in Southeast British Columbia
 
Creator Hausleitner, Doris
Dulisse, Jakob
Manley, Irene
Waterhouse, Amy
 
Subject Western Screech-Owl; Megascops kennicottii macfarlanei; radio telemetry; nest; habitat selection; spatial scale; coniferous; British Columbia
 
Description The interior Western Screech-Owl (Megascops kennicottii macfarlanei) has been assessed as a species at risk. Regionally, survival rates are low, particularly during nesting. This study uses forward stepwise logistic regression to assess habitat selection at the tree, patch (150m2), and stand scales for twelve nests (the largest sample in any one region). At the patch scale, nest sites had more coniferous cover (33% versus 16%) than random. At the stand level, owls selected medium-age forests within an agricultural landscape, highlighting the need to conserve these habitats. While black cottonwood (Populus trichocarpa) and trembling aspen (P. tremuloides) are important nest tree species, riparian forests with coniferous cover, particularly western redcedar (Thuja plicata), may be more important for nesting in regional populations than previously realized.
 
Publisher Canadian Institute for Studies in Publishing Press
 
Contributor Columbia Basin Trust
Fish and Wildlife Compensation Program
Habitat Conservation Trust Fund and Habitat Stewardship Program
 
Date 2017-09-25
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://jem-online.org/index.php/jem/article/view/592
 
Source Journal of Ecosystems and Management; Vol 17, No 1 (2017)
 
Language eng
 
Relation http://jem-online.org/index.php/jem/article/view/592/512
http://jem-online.org/index.php/jem/article/downloadSuppFile/592/397