Table 1. Altitude, annual precipitation, summer temperature, number of plots sampled and mean ± standard deviations of predictor variables at alpine, sub alpine, and boreal grassland sites along precipitation gradients (low [1] to high [4]) in southern Norway.
| Site | Site name | Altitude (m a.s.l.) | Precip (mm) | Temp (°C) | No plots | pH | LOI (%) | Moisture (%) | Vegetation height (cm) | Litter cover (%) | Bryophyte cover (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ALPINE 1 | Ulvhaugen | 1208 | 596 | 6.17 | 20 | 5.7±0.2 | 7.9±2.4 | 37.5±5.7 | 3.6±1.1 | 17.6±7.1 | 13.0±13.7 |
| ALPINE 2 | Låvisdalen | 1097 | 1321 | 6.45 | 20 | 5.9±0.2 | 8.2±2.7 | 40.0±5.4 | 3.5±1.3 | 12.4±3.4 | 17.1±8.5 |
| ALPINE 3 | Gudmesdalen | 1213 | 1925 | 5.87 | 19 | 6.1±0.2 | 15.3±4.3 | 50.8±6.9 | 4.6±2.2 | 15.0±5.5 | 20.4±25.4 |
| ALPINE 4 | Skjellingahaugen | 1088 | 2725 | 6.58 | 10 | 6.1±0.6 | 7.1±3.8 | 47.6±6.6 | 4.1±0.9 | 12.4±6.9 | 28.0±16.9 |
| SUB-ALPINE 1 | Ålrust | 815 | 789 | 9.14 | 20 | 5.4±0.2 | 9.1±3.1 | 33.1±5.2 | 3.3±1.2 | 11.3±4.1 | 17.1±17.1 |
| SUB-ALPINE 2 | Høgsete | 700 | 1356 | 9.17 | 20 | 5.2±0.2 | 12.9±0.8 | 36.5±1.5 | 8.9±2.8 | 13.2±6.2 | 34.9±14.5 |
| SUB-ALPINE 3 | Rambæra | 769 | 1848 | 8.77 | 18 | 5.4±0.3 | 10.0±3.2 | 37.5±7.4 | 5.3±2.5 | 11.4±4.0 | 29.9±17.8 |
| SUB-ALPINE 4 | Veskre | 797 | 3029 | 8.67 | 10 | 5.8±0.2 | 13.4±2.5 | 50.2±3.8 | 4.1±1.2 | 8.2±3.2 | 25.4±17.2 |
| BOREAL1 | Fauske | 589 | 600 | 10.3 | 10 | 5.3±0.1 | 10.7±1.4 | 34.8±3.0 | 9.4±2.6 | 15.3±5.5 | 9.7±6.9 |
| BOREAL 2 | Vikesland | 474 | 1161 | 10.55 | 10 | 5.2±0.2 | 14.7±2.1 | 35.0±2.8 | 8.6±4.1 | 16.1±7.5 | 50.1±20.1 |
| BOREAL 3 | Arhelleren | 431 | 2044 | 10.60 | 10 | 5.2±0.1 | 10.1±1.3 | 43.8±2.0 | 15.9±5.2 | 10.2±2.8 | 41.9±22.9 |
| BOREAL 4 | Øvstedal | 346 | 2923 | 10.78 | 5 | 5.3±0.2 | 10.1±3.7 | 31.5±5.7 | 11.9±2.8 | 9.1±4.1 | 40.7±22.8 |
LOI refers to Loss-On-Ignition, a measure of soil organic matter.