From: Herbivory of sympatric elk and cattle on Lincoln National Forest, south-central New Mexico
Class | Species | Elk | Cattle | ||||||
---|---|---|---|---|---|---|---|---|---|
2004 | 2005 | 2006 | Mean | 2004 | 2005 | 2006 | Mean | ||
Shrubs | Acer glabrum leaf | 3.2 | 1.5 | 1.0 | 1.9 ± 0.7 | – | – | – | 0 |
Holodiscus dumosis, leaf | 2.3 | 0.5 | 0.3 | 1.1 ± 0.6 | – | – | – | 0 | |
Quercus spp. leaf | 24.8 | 30.6 | 20.2 | 25.2 ± 3.0 | 6.5 | 2.9 | 9.3 | 6.2 ± 1.9 | |
Salix spp. leaf | 17.4 | 13.9 | 7.1 | 12.8 ± 3.0 | – | – | – | 0 | |
Salix spp. stem | 1.9 | 0.9 | 1.7 | 1.5 ± 0.3 | – | – | – | 0 | |
Symphoricarpos rotundifolius leaf | 2.4 | 0.7 | 0.8 | 1.3 ± 0.5 | – | – | – | 0 | |
TOTAL | 55.2 | 51.5 | 34.2 | 46.9 ± 6.5A | 7.4 | 4.3 | 10.7 | 7.5 ± 1.8B | |
Conifer | TOTAL | 0.2 | 1.1 | 1.1 | 0.8 ± 0.3 | 0.1 | 0.4 | 0.5 | 0.3 ± 0.1 |
Forbs | Achillea millefolium | 0.8 | 1.1 | 1.7 | 1.2 ± 0.3 | 0.8 | 1.8 | 1.8 | 1.5 ± 0.3 |
Erigeron spp. | 1.8 | 1.4 | 0.7 | 1.3 ± 0.3 | – | – | – | 0.1 ± 0.1 | |
Geranium spp. | 1.7 | 1.0 | 0.5 | 1.0 ± 0.3 | – | – | – | 0.6 ± 0.4 | |
TOTAL | 8.2 | 11.5 | 7.8 | 9.1 ± 1.2A | 6.5 | 6.5 | 6.8 | 6.6 ± 0.1B | |
Grass | Agropyron spp. | 1.6 | 0.7 | 1.8 | 1.4 ± 0.3 | 17.2 | 12.1 | 11.5 | 13.6 ± 1.8 |
Agrostis spp. | – | – | – | 0.7 ± 0.5 | 5.4 | 4.9 | 5.4 | 5.2 ± 0.2 | |
Bouteloua spp. | – | – | – | 0 | 4.3 | 1.8 | 1.0 | 2.4 ± 1.0 | |
Bromus spp. | 5.1 | 7.3 | 13.6 | 8.7 ± 2.5 | 5.6 | 8.4 | 6.9 | 6.9 ± 0.8 | |
Dactylis glomerata | – | - | - | 0.8 ± 0.2 | 0.8 | 1.2 | 1.3 | 1.1 ± 0.2 | |
Agropyron trachycaulum | 0.0 | 0.9 | 3.7 | 1.5 ± 1.1 | – | – | – | 0.7 ± 0.1 | |
Muhlenbergia spp. | – | – | – | 0.9 ± 0.2 | 7.3 | 3.9 | 5.0 | 5.4 ± 1.0 | |
Oryzopsis spp. | – | – | – | 0 | 2.2 | 0.5 | 0.7 | 1.1 ± 0.5 | |
Poa fendleriana | – | – | – | – | 1.9 | 1.7 | 0.4 | 1.3 ± 0.5 | |
Poa pratensis | – | – | – | – | 21.2 | 30.7 | 29.2 | 27.0 ± 3.0 | |
Poa spp. | 20.4 | 16.7 | 24.1 | 20.4 ± 2.1 | 23.1 | 32.4 | 29.6 | 28.3 ± 2.8 | |
Stipa spp. | 1.6 | 0.6 | 1.2 | 1.1 ± 0.3 | 5.6 | 7.5 | 7.0 | 6.7 ± 0.6 | |
TOTAL | 32.2 | 29.8 | 49.5 | 37.2 ± 6.2A | 75.0 | 77.1 | 72.2 | 74.8 ± 1.4B | |
Sedge/Rush | Carex spp. | 4.3 | 4.9 | 5.7 | 5.0 ± 0.4 | 10.6 | 10.3 | 7.6 | 9.5 ± 0.9 |
TOTAL | 4.3 | 4.9 | 5.7 | 5.0 ± 0.4A | 10.9 | 11.5 | 9.6 | 10.6 ± 0.6B |