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Table II
Climatic parameters for the 30 days prior to the measurements. All values are based on 30 day means, except precipitation whichis based a 30-day sum.
| Site | Period | Air temperature | Soil temperature | Irradiance | Precipitation |
|---|---|---|---|---|---|
| (°C) | (°C) | (W m−2) | (mm) | ||
| Forest limit | Fall 2006 | 8.6 | 6.7 | 277 | 82 |
| Summer 2007 | 11.1 | 8.1 | 433 | 125 | |
| Tree limit | Fall 2006 | 7.7 | 7.2 | 344 | 45 |
| Summer 2007 | 10.0 | 10.5 | 442 | 135 | |
| Krummholz limit | Fall 2006 | 6.7 | 8.2 | 360 | 70 |
| Summer 2007 | 9.1 | 10.8 | 453 | 148 |