Table 1. Variables used in the development of species distribution models for the pine marten in the whole study area and in the used cells; average ± standard deviations values and variance inflation factor (VIF) values are shown [H’ = − Σ(p_i × lnp_i)].

Variables	Unit	Study area	Used cell	VIF
Cultivated fields	%	70.35 ± 36.37	34.59 ± 33.48	2.540
Grassland	%	0.81 ± 6.18	2.21 ± 8.74	1.086
Poplar plantations	%	2.47 ± 15.47	2.39 ± 13.45	1.065
Woodland	%	4.94 ± 16.74	40.76 ± 33.62	1.688
Habitat Diversity	H’	1.06 ± 0.43	1.48 ± 0.45	1.892
Distance to watercourses	m	5755.01 ± 4583.27	2189.07 ± 2528.82	1.068
Distance to woods	m	8645.01 ± 7511.79	1493.71 ± 2871.78	1.316
Human settlements	%	10.76 ± 21.72	2.17 ± 8.62	2.913
Distance to roads	m	926.11 ± 1242.26	1148.04 ± 977.08	1.284
Distance to human settlements	m	1287.11 ± 1149.11	1980.43 ± 954.02	1.622
Human population density	N/km2	388.81 ± 1107.11	41.31 ± 116.61	1.922