Table A4.

List of the environmental variables selected by the varSel function and relative percent contribution rounded to the first decimal place before executing the optimizeModel function

Variable	P. contribution
bush_fr	0.7
compact_limestone_fr	3.5
c_way_d_av	1.1
eastness_av	0.6
forest_fr	0.8
glacier_fr	0.6
gneiss_fr	1.4
granite_fr	1.3
ibex_summer_density_av	9.8
ibex_winter_density_av	41.3
lake_d_av	0.1
marsh_fr	0.0
northness_av	3.9
other_rocks_fr	0.5
other_soil_fr	1.4
permanent_fr	0.8
prec_122_av	11.2
prec_57_av	1.9
riv_cre_d_av	0.4
ro_rail_d_av	0.1
roughness	0.5
rupicapra_hs_av	2.4
scree_fr	4.2
sheep_goat_d_av	1.4
ski_d_av	1.4
solar_rad57_av	0.9
tpi_av	6.7
wind_100_av	1.0