Comparison of birds detected from roadside and off-road point counts in the Shenandoah National Park
PDF on file: 4772_Keller.pdf
By: C.M.E. Keller and M.R. Fuller
Edited by: C. John Ralph, John R. Sauer, and Sam Droege
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Abstract
Roadside point counts are generally used for large surveys to increase the number of samples. We examined differences in species detected from roadside versus off-road (200-m and 400-ha) point counts in the Shenandoah National Park. We also compared the list of species detected in the first 3 minutes to those detected in 10 minutes for potential species biases. Results from 81 paired roadside and off-road counts indicated that roadside counts had higher numbers of several edge species but did not have lower numbers of nonedge forest species. More individuals and species were detected from roadside points because of this increase in edge species. Sixty-five percent of the species detected in 10 minutes were recorded in the first 3 minutes.
Suggested Citation
Keller, C., Fuller, M., 1995, Comparison of birds detected from roadside and off-road point counts in the Shenandoah National Park, chap. of Monitoring bird populations by point counts, p. 111-115.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Comparison of birds detected from roadside and off-road point counts in the Shenandoah National Park |
| Year Published | 1995 |
| Language | English |
| Publisher | U.S. Forest Service, Pacific Southwest Forest Experiment Station. |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | iv, 181 |
| Larger Work Type | Book |
| Larger Work Subtype | Other Government Series |
| Larger Work Title | Monitoring bird populations by point counts |
| First page | 111 |
| Last page | 115 |