Avian Community Composition and Foraging Behavior in Response to Commercial Thinning and Habitat Structure

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Title:	Avian Community Composition and Foraging Behavior in Response to Commercial Thinning and Habitat Structure
Author:	Williams-Sieg, Kelly A.
Description:	Modern forest management techniques are often intended to restore structural complexity to mimic natural forests. Basal area was reduced by 30% in a commercially thinned stand at Tar Hollow State Forest in 2000. Little is known about how thinning affects avian species composition and habitat use. Avian community composition and foraging behavior were compared in an unmanipulated and thinned forest at Tar Hollow. Avian species richness was greater in the thin due mainly to an increase in early successional and edge species. Foraging behavior of Hooded Warblers, Scarlet Tanagers,Red-eyed Vireos and Worm-eating Warblers was examined in response to thinning and forest characteristics. The response was heterogeneous; however, foraging rate, attack rate, and attack type were affected for the species studied. For example, Hooded Warbler foraging rate increased in the thin more than in the control during the breeding season, and aerial attack rate increased in the thin while decreasing in the control.
Permanent Link:	http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1212765381 http://hdl.handle.net/2374.OX/108285
Date:	2008

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