Canadian Forest Service Publications
Response of bird communities to single-tree selection system harvesting in northern hardwoods: 10 - 12 years post-harvest. 2012. Holmes, S.B.; Pitt, D.G.; McIlwrick, K.A.; Hoepting, M.K. Forest Ecology and Management 271:132-139.
Issued by: Great Lakes Forestry Centre
Catalog ID: 33543
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We previously investigated the responses of forest birds to habitat changes 1-7 years post-harvest in three northern Ontario tolerant hardwood forest stands cut under the selection system. The same three cut blocks and a control area were re-sampled in 2009, 10-12 years post-harvest, to compare community composition, total and species abundances and species richness. We found that the breeding bird communities of the selection cut blocks had not fully recovered 10-12 years post-harvest. Veery, Chestnutsided Warbler, Magnolia Warbler, American Redstart and Mourning Warbler numbers were elevated in all three cut blocks, and White-throated Sparrow numbers were elevated in two of the three cut blocks, 10-12 years post-harvest. In contrast, Ovenbird numbers remained depressed in two cut blocks 10- 12 years post-harvest. Overall, species richness remained high in all three cut blocks, even though total abundance declined. The data suggest that repeated applications of selection cutting could have longterm, cumulative effects on forest bird communities.