Research Article
NDVI Variation and Its Responses to Climate Change on the Northern Loess Plateau of China from 1998 to 2012
Table 1
Gradation standard for land desertification.
| Desertification grade | Vegetation coverage | NDVI |
| Extremely severe | <0.1 | <0.19 | Severe | 0.1–0.3 | 0.19–0.34 | Moderate | 0.3–0.5 | 0.34–0.51 | Light | 0.5–0.7 | 0.51–0.78 | Slight | >0.7 | 0.78–0.83 |
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