Table 3 The accumulated prediction accuracy of the distribution of Qinghai spruce forests (and non-forest vegetation) by considering the limiting factors.
Actual spruce forest percentage | Elevation | Slope aspect | Soil thickness | Slope position | |
|---|---|---|---|---|---|
Unit number | 29.2% | 37.7% | 65.5% | 71.4% | 74.6% |
Unit area | 31.9% | 55.8% | 71.5% | 73.9% | 76.2% |
