Table 2.

Relative importance of environmental variables in the random forest model rated by Gini importance (mean decrease in Gini impurity); variables with high Gini importance values have a higher predictive value.

Variable	Gini importance
Median normalized difference water index	5.39
Distance to coast	5.06
Distance to water	4.99
Night time light intensity	4.15
Precipitation seasonality	3.45
Slope	3.27
Temperature seasonality	2.64
Annual mean temperature	2.62
Annual precipitation	2.48
Elevation	2.41