کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
87407 | 159249 | 2012 | 8 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Response of bird communities to single-tree selection system harvesting in northern hardwoods: 10–12 years post-harvest Response of bird communities to single-tree selection system harvesting in northern hardwoods: 10–12 years post-harvest](/preview/png/87407.png)
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, Chestnut-sided 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 long-term, cumulative effects on forest bird communities.
► We studied the effects of partial harvesting on birds in a northern hardwood forest.
► Bird communities had not fully recovered by 10–12 years post-harvest.
► Populations of some early successional species remained elevated.
► Ovenbird numbers were reduced.
► Repeated applications of selection cutting could have cumulative effects on birds.
Journal: Forest Ecology and Management - Volume 271, 1 May 2012, Pages 132–139