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Bat Activity in Harvested and Intact Forest Stands in the Allegheny Mountains

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We used Anabat acoustical monitoring devices to examine bat activity in intact canopy forests, complex canopy forests with gaps, forests subjected to diameter-limit harvests, recent deferment harvests, clearcuts and unmanaged forested riparian areas in the Allegheny Mountains of West Virginia in the summer of 1999. We detected eight species of bats, including the endangered Indiana bat (Myotis sodalis). Most bat activity was concentrated in forested riparian areas. Among upland habitats, activity of silver-haired bats (Lasionycteris noctivagans) and hoary bats (Lasiurus cinereus) was higher in open, less cluttered vegetative types such as recent deferment harvests and clearcuts. Our results suggest that bat species in the central Appalachians partially segregate themselves among vegetative conditions based on differences in body morphology and echolocation call characteristics. From the standpoint of conserving bat foraging habitat for the maximum number of species in the central Appalachians, special emphasis should be placed on protecting forested riparian areas.
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Keywords: Anabat; Appalachians; bat activity; riparian forests; timber harvest

Document Type: Regular Article

Affiliations: 1: Division of Forestry West Virginia University Morgantown WV 26506 2: Northeastern Research Station USDA Forest Service Parsons WV 26287 3: College of Arts and Sciences Sam Houston State University Huntsville TX 77341 4: USGS Biological Resources Division, West Virginia Cooperative Fish and Wildlife Research Unit and Division of Forestry West Virginia University Morgantown WV 26506 5: Warnell School of Forest Resources University of Georgia Athens GA 30602

Publication date: 2004-09-01

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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