Table 2 Summary of two-way ANOVAs for grazer effects on species richness and evenness and on species composition for Bray-Curtis index and Sørensen index in Spiti region, northern India
Variable | Factor | df | SS | MS | F | P |
|---|---|---|---|---|---|---|
Species Richness (2005) | Grazing | 1 | 0.75 | 0.75 | 0.13 | 0.71 |
| Â | Herbivore type | 1 | 184.01 | 184.01 | 33.36 | <0.001 |
| Â | Interaction | 1 | 0.19 | 0.19 | 0.03 | 0.85 |
| Â | Error | 44 | 242.71 | 5.51 | Â | Â |
Species Richness (2008) | Grazing | 1 | 17.52 | 17.52 | 10.06 | 0.003 |
| Â | Herbivore type | 1 | 1.80 | 1.80 | 1.03 | 0.31 |
| Â | Interaction | 1 | 2.07 | 2.07 | 1.19 | 0.28 |
| Â | Error | 44 | 76.58 | 1.74 | Â | Â |
Evenness (2005) | Grazing | 1 | 0.01 | 0.01 | 0.01 | 0.96 |
| Â | Herbivore type | 1 | 0.26 | 0.26 | 25.52 | <0.001 |
| Â | Interaction | 1 | 0.01 | 0.01 | 0.91 | 0.34 |
| Â | Error | 44 | 0.46 | 0.01 | Â | Â |
Evenness (2008) | Grazing | 1 | 0.01 | 0.01 | 1.41 | 0.24 |
| Â | Herbivore type | 1 | 0.05 | 0.05 | 7.46 | 0.01 |
| Â | Interaction | 1 | 0.01 | 0.01 | 0.27 | 0.60 |
| Â | Error | 44 | 0.27 | 0.01 | Â | Â |
Bray-Curtis dissimilarity | Herbivore type | 1 | 0.01 | 0.01 | 0.66 | 0.42 |
| Â | Time | 1 | 0.21 | 0.21 | 14.81 | <0.001 |
| Â | Interaction | 1 | 0.17 | 0.17 | 11.97 | <0.001 |
| Â | Error | 44 | 0.62 | 0.01 | Â | Â |
Sørensen dissimilarity | Herbivore type | 1 | 0.02 | 0.02 | 1.18 | 0.29 |
| Â | Time | 1 | 0.19 | 0.19 | 14.41 | <0.001 |
| Â | Interaction | 1 | 0.22 | 0.22 | 16.77 | <0.001 |
| Â | Error | 44 | 0.58 | 0.01 | Â | Â |