| 植被盖度/% | 沙打旺函数拟合 | 羊草函数拟合 | ||
| 0 | y = 0.0239e | R2 = | y = 0.0239e | R2 = |
| 10 | y = 50.608lnx - 84.817 | R2 = | y = 0.0263e | R2 = |
| 20 | y = 12.757lnx - | R2 = | y = 41.773lnx - 68.388 | R2 = |
| 30 | y = 12.718lnx - | R2 = | y = 38.806lnx - 58.989 | R2 = |
| 40 | y = 9.0382lnx + | R2 = | y = 35.585lnx - 51.675 | R2 = |