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From 1992 to 1999, we assessed species diversity, relative abundance and community dominance of forest songbirds and small mammals in mature (control) and recently harvested, aspen forests near Chetwynd, B.C. Resident owls were surveyed during March-April 1997. We also assessed vegetation cover, security cover, woody debris and wildlife trees in the harvested and control stands. This report focuses on results of the songbird and small mammal study components and highlights the results of the other surveys. The reader is referred to details presented in unpublished annual progress reports. Small mammal species richness and abundance varied between years and between mature and harvested stands. Multi-year population cycles and stochastic weather events likely accounted for much of the between-year variation. Several mammal species encountered within mature stands during this study were never captured in clearcut areas. Some species were captured exclusively within clearcuts. Only Deer Mouse and Meadow Vole were
Darling, Laura M., Booth, Barry; Merkens, Markus; Gebauer, Martin. 2002. Songbird, Forest Owl and Small Mammal Diversity in Mature and Harvested Aspen and Mature Mixed-wood Forests in the Dawson Creek Forest District: Summary of Research and Related Survey Project 1992-1999. Ministry of Water, Land and Air Protection. Wildlife Working Report. WR104
Keywords: species diversity, community dominance, songbird, small mammal, control, harvest, aspen forest, chetwynd
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ISBN: 0-7726-4742-9
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