Table 2. Number of bird species (species richness) on the Allegheny and the Piedmont ROW in June 1987 and 1988 and August 1987 and 1988. Treatments were applied in July 1987. | Treatment | No. bird species (6 day census) |
|---|
| 1987 | 1988 |
|---|
| June | August | June | August |
|---|
| Allegheny ROW |
| Handcutting | 14 | 14 | 11 | 9 |
| Mowing | 12 | 26 | 14 | 26 |
| Mowing plus herbicide | 10 | 16 | 14 | 13 |
| Selective basal spray | 13 | 26 | 14 | 22 |
| Stem foliage spray | 10 | 17 | 12 | 19 |
| Foliage spray | 10 | 27 | 11 | 19 |
| Average | 11 | 21 | 13 | 18 |
| Piedmont ROW |
| Handcutting | 10 | 8 | 13 | 5 |
| Mowing | 20 | 11 | 15 | 13 |
| Mowing plus herbicide | 19 | 23 | 17 | 17 |
| Stem-foliage spray | 13 | 20 | 17 | 20 |
| Foliage spray | 19 | 24 | 14 | 18 |
| Average | 18 | 17 | 15 | 15 |