Table 1 Variable names and descriptions
Variable name | Scale | Description |
|---|---|---|
STATE (dependent) | Nominal | Variable with the values 1 = site presence and 0 = site absence |
Elevation | Ratio | The height above sea level is measured in meters |
Slope | Ratio | Slope in degree |
Aspect | Ratio | Aspect in degree |
Relief300 | Ratio | An index to show the geomorphology feature, with the neighborhood 300m*300m |
Precipitation | Ratio | A climate index in millimeter |
Temperature | Ratio | A climate index in degree |
Distance to water | Nominal | Distance to a water feature; It was classified into 6 classes (500, 1000,2000,5000,10,000,50,000 m are the intervals). In the model, Class one which is less than and equal to 500 m is the reference for the dummy variable settings) |
Vegetation cover | Nominal | Five categories of Fractional vegetation cover (FVC) and 10%, 30%, 45%, 60% are the intervals |
Land cover | Nominal | 1 = farmland and 0 = non-farmland |