Table 1 List of biophysical variables used to predict the spatial distribution of ACD

Temperature (℃)

Temperature

10 arc-minute

Bioclim.www.org

Precipitation (mm)

Precipitation

10 arc-minute

Bioclim.www.org

Elevation (DEM) (m)

Elevation

30 m

http://earthexplorer.usgs.gov

Slope (%)

Slope

30 m

Derived from DEM

Aspect

Aspect

30 m

Derived from DEM

Clay content at 0 cm (%)

Clay0

250 m

https://soilgrids.org/SoilGrids

Clay content at 5 cm (%)

Clay5

250 m

https://soilgrids.org/SoilGrids

Clay content at 15 cm (%)

Clay15

250 m

https://soilgrids.org/SoilGrids

Silt content at 0 cm depth (%)

Silt0

250 m

https://soilgrids.org/SoilGrids

Silt content at 5 cm depth (%)

Silt5

250 m

https://soilgrids.org/SoilGrids

Soil organic content at 0 cm depth (%)

SOC0

250 m

https://soilgrids.org/SoilGrids

Soil organic content at 5 cm depth (%)

SOC5

250 m

https://soilgrids.org/SoilGrids

Soil cation exchange capacity at 0 cm depth (%)

CEC0

250 m

https://soilgrids.org/SoilGrids

Cation exchange capacity at 5 cm depth (%)

CEC5

250 m

https://soilgrids.org/SoilGrids

Cation exchange capacity at 15 cm depth (%)

CEC15

250 m

https://soilgrids.org/SoilGrids

Species richness

SR

Count

Forest inventory data

Shannon index

H

30 m

Forest inventory data

Podocarpus falcatus

P. falcatus

30 m

Forest inventory data

Szgium guinesses

S. guinesses

30 m

Forest inventory data

Olea capensis

O. capensis

30 m

Forest inventory data

Filicium decipiens

F. decipiens

30 m

Forest inventory data