TABLE 1.
List of the 27 variables used in the current study. Each landcover class‐level metric has been calculated for each land type. Abbreviations for categories: Bare Land (Br), Grassland (Gr), Needle‐leaved forest (NLF), Shrubland (Shr), Snow and Ice (Sn)
Category | Variable | Abbreviation | Layer Source |
---|---|---|---|
Linear and point features | Density of highways and national roads | DENS_rd | Berman, 2009 |
Density of human settlements | DENS_set | OpenStreetMap | |
Density of rivers | DENS_riv | www.DIVA‐GIS.org | |
Topographic | Slope position | SLP | |
Focal mean of elevation | ELEV | ||
Roughness | ROUGH | NASA’s SRTM v.4 (Jarvis et al., 2008) | |
Compound topographic index | CTI | ||
Dissection | DISS | ||
Climatic | Annual mean temperature | TEMP | WorldClim Version 2 (Fick & Hijmans, 2017) |
Landcover (Landscape level) | Aggregation index | AI | |
Contrast‐weighted edge index | CWED | ESA GlobCover 2009 v2.3 (Arino et al., 2008) | |
Patch density | PD | ||
Landcover (Class Level) | Area‐weighted mean | AREA_AM_(Br, Sn, Gr, Shr, NLF) | |
Percentage of landscape | PLAND_(Br, Sn, Gr, Shr, NLF) | ESA GlobCover 2009 v2.3 (Arino et al., 2008) | |
Radius of gyration (mean area) | GYR_AM_(Br, Sn, Gr, Shr, NLF) |