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Characteristics of the study sites evaluated
| Parameters | Sites | ||
|---|---|---|---|
| Hezuo | Maqu | Azi | |
| Latitude | 34°55′N | 35°58′N | 33°58′N |
| Longitude | 102°53′E | 101°53′E | 101°53′E |
| Altitude (m) | 2900 | 3500 | 3500 |
| Annual mean temperature (°C) | 2·4 | 1·2 | 1·2 |
| Annual mean precipitation (mm) | 532 | 620 | 620 |
| Vegetation type | SM | AM | AM |
SM, sub-alpine meadow; AM, alpine meadow.
