Table 1 The characteristics of NDVI value under different elevation from 1987 to 2018 of Qin Mountains.
From: The pattern, change and driven factors of vegetation cover in the Qin Mountains region
Elevation Zone | Elevation range (m) | Area (%) | NDVI | ||||
---|---|---|---|---|---|---|---|
Mean | Slope | Maximum | Minimum | Std | |||
I | < 1300 | 50.56 | 0.67 | 0.18 | 0.78 | 0.579 | 0.0568 |
II | 1300–1800 | 20.20 | 0.71 | 0.15 | 0.816 | 0.605 | 0.0546 |
III | 1800–3300 | 22.51 | 0.69 | 0.13 | 0.802 | 0.512 | 0.0597 |
IV | > 3300 | 5.72 | 0.65 | 0.12 | 0.785 | 0.481 | 0.0785 |