Table 2 Classification criteria for vegetation cover status based on normalized vegetation index (NDVI).
From: Analysis of vegetation coverage changes and driving forces in the source region of the yellow river
Overlay partition | NDVI |
|---|---|
Bare area | ⩽0 |
Low coverage area | 0 ~ 0.2 |
Low and medium coverage area | 0.2 ~ 0.4 |
Medium coverage area | 0.4 ~ 0.6 |
Medium and high coverage area | 0.6 ~ 0.8 |
High coverage area | 0.8 ~ 1 |