Table 3. Vegetation measurements from control and experimental edges taken at 1 meter and 2.5 meters from the ditch crown. Percent coverage was measured using a modified Daubenmire grid (see text for description).
| 1997 | 1998 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Control | Experimental | Control | Experimental | ||||||
| Mean | SEM (n) | Mean | SEM (n) | Mean | SEM (n) | Mean | SEM (n) | ||
| 1 Meter | Bare | 21.2 | 3.4 (119) | 7.5 | 1.9 (119) | 18.4 | 2.0 (219) | 3.4 | 0.9 (234) |
| Litter | 72.5 | 3.7 (119) | 91.2 | 2.1 (119) | 20.1 | 1.8 (219) | 23.8 | 1.7 (234) | |
| Grass | 50.5 | 3.4 (119) | 48.8 | 2.8 (119) | 30.3 | 2.1 (219) | 28.8 | 1.8 (234) | |
| Forb | 40.1 | 3.2 (119) | 51.8 | 2.8 (119) | 31.0 | 2.0 (219) | 42.2 | 1.8 (234) | |
| Wood | 7.2 | 1.5 (119) | 21.1 | 2.7 (119) | 5.7 | 0.9 (219) | 11.9 | 1.1 (234) | |
| 2.5 Meters | Bare | 48.8 | 4.2 (117) | 21.4 | 3.2 (119) | 39.0 | 2.7 (219) | 7.9 | 1.3 (234) |
| Litter | 45.8 | 4.2 (117) | 76.6 | 3.3 (119) | 19.0 | 1.9 (219) | 24.9 | 1.8 (234) | |
| Grass | 45.7 | 3.9 (117) | 42.1 | 3.6 (119) | 29.3 | 2.1 (219) | 29.7 | 1.8 (234) | |
| Forb | 22.8 | 2.9 (117) | 46.1 | 3.1 (119) | 16.4 | 1.4 (219) | 41.3 | 1.9 (234) | |
| Wood | 1.3 | 0.5 (117) | 12.2 | 2.3 (119) | 1.7 | 0.5 (219) | 7.8 | 1.1 (234) | |