Use and selection of bridges as day roosts by Rafinesque's Big Eared Bats. [electronic resource]
Rafinesque'S Big-Eared Bats; Corynorhinus Rafinesquii; Bats; Bridges; Day Roosts.
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| Online Access: |
Online Access (via OSTI) |
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| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. Office of Environmental Restoration and Waste Management ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2008.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Use and selection of bridges as day roosts by Rafinesque's Big Eared Bats. |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. Office of Environmental Restoration and Waste Management ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2008. | ||
| 300 | |a 386 - 399 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 03/01/2008. | ||
| 500 | |a "08-07-P" | ||
| 500 | |a American Midland Naturalist 160 2 ISSN 0003-0031; AMNAAF FT. | ||
| 500 | |a Bennett, Frances, M.; Loeb, Susan, C.; Bunch, Mary, S.; Bowerman, William, W. | ||
| 520 | 3 | |a ABSTRACT.-Rafinesque's big-eared bats (Corynorhinus rafinesquii) use bridges as day roosts in parts of their range, but information on bridge use across their range is lacking. From May to Aug. 2002 we surveyed 1129 bridges (12.5%) within all 46 counties of South Carolina to determine use and selection of bridges as day roosts by big-eared bats and to document their distribution across the state. During summer 2003, we visited 235 bridges in previously occupied areas of the state to evaluate short-term fidelity to bridge roosts. We found colonies and solitary big-eared bats beneath 38 bridges in 2002 and 54 bridges in 2003. Construction type and size of bridges strongly influenced use in both years; bats selected large, concrete girder bridges and avoided flat-bottomed slab bridges. The majority of occupied bridges (94.7%) were in the Upper and Lower Coastal Plains, but a few bridges (5.3%) were located in the Piedmont. Rafinesque's big-eared bats were absent beneath bridges in the Blue Ridge Mountains. We established new records of occurrence for 10 counties. In the Coastal Plains, big-eared bats exhibited a high degree of short-term fidelity to roosts in highway bridges. For bridges that were occupied at least once, mean frequency of use was 65.9%. Probability of finding bats under a bridge ranged from 0.46 to 0.73 depending on whether the bridge was occupied in the previous year. Thus, bridges should be inspected three to five times in a given year to determine whether they are being used. Regional bridge roost surveys may be a good method for determining the distribution of C. rafinesquii, particularly in the Coastal Plains, and protection of suitable bridges may be a viable conservation strategy where natural roost sites are limited. | |
| 520 | 0 | |a Rafinesque'S Big-Eared Bats; Corynorhinus Rafinesquii; Bats; Bridges; Day Roosts. | |
| 536 | |b AI09-00SR22188. | ||
| 650 | 7 | |a Concretes. |2 local. | |
| 650 | 7 | |a Construction. |2 local. | |
| 650 | 7 | |a Distribution. |2 local. | |
| 650 | 7 | |a Mountains. |2 local. | |
| 650 | 7 | |a Populations. |2 local. | |
| 650 | 7 | |a Probability. |2 local. | |
| 650 | 7 | |a South Carolina. |2 local. | |
| 650 | 7 | |a Bridges. |2 local. | |
| 650 | 7 | |a Bats. |2 local. | |
| 650 | 7 | |a Habitat. |2 local. | |
| 650 | 7 | |a Applied Life Sciences. |2 edbsc. | |
| 710 | 1 | |a United States. |b Department of Agriculture. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Environmental Restoration and Waste Management. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/947011 |z Online Access (via OSTI) |
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| 952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:947011 |h Superintendent of Documents classification |i web |n 1 |