Table 3 Characteristics of the variables used in the two modelling scales
Broad-scale modelling | ||||
|---|---|---|---|---|
Predictor | Predictor description | Class | Resolution | Source |
ABR | Abruptness | Topographic | 30 arc-sec | Generated from elevation data |
ELEV | Elevation | Topographic | 30 arc-sec | Wordclim SRTM |
B4 | Temperature seasonality | Climatic | 30 arc-sec | Worldclim Bioclim 4 |
B8 | Mean temperature of the wettest quarter | Climatic | 30 arc-sec | Worldclim Bioclim 8 |
B10 | Mean temperature of the warmest quarter | Climatic | 30 arc-sec | Worldclim Bioclim 10 |
B12 | Annual precipitation | Climatic | 30 arc-sec | Worldclim Bioclim 12 |
B15 | Precipitation seasonality | Climatic | 30 arc-sec | Worldclim Bioclim 15 |
B17 | Precipitation of the Driest Quarter | Climatic | 30 arc-sec | Worldclim Bioclim 17 |
LAND | Land cover | Habitat | 30 arc-sec | GLCNMO |
Fine-scale modelling | ||||
Predictor | Description | Class | Resolution | Source |
ELEV | Elevation | Topographic | 100m | SRTM 90m DEM (CGIAR-CSI) |
SLO | Slope | Topographic | 100m | Generated from elevation data |
ORI | Orientation | Topographic | 100m | Generated from elevation data |
DIS-ROCK | Distance to rock areas | Habitat | 100m | Obtained from Corine LandCover 2006 |
DIS-FOREST | Distance to forest areas | Habitat | 100m | Obtained from Corine LandCover 2006 |
DIS-URBAN | Distance to urban areas | Habitat | 100m | Obtained from Corine LandCover 2006 |