Research Article
Ecological Vulnerability Assessment Integrating the Spatial Analysis Technology with Algorithms: A Case of the Wood-Grass Ecotone of Northeast China
Table 3
Soil desertification sensitivity standard classification.
| | Index | Slight sensitivity | Light sensitivity | Medium sensitivity | Heavy sensitivity | Extreme sensitivity |
| | Moisture degree index | >0.65 | 0.5–0.65 | 0.20–0.50 | 0.05–0.20 | <0.05 | | Windy days in winter and spring (6 m/s) | <15 | 15–30 | 30–45 | 45–60 | >60 | | Soil texture | Pedestal rock | Viscidity | Gravel | Loamy texture | Sandiness | | Vegetation cover | Dense | Moderate | Low | Thin | Bare land | | Value | 1 | 3 | 5 | 7 | 9 | | Classification value (DS) | 1.0–2.0 | 2.1–4.0 | 4.1–6.0 | 6.1–8.0 | >8.0 |
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