Table 5 Parameters used in the environmental niche modelling (ENM) approach

1

climate

tmin30_max

highest value of the minimum temperatures

[127]

2

climate

tmin30_min

lowest value of the minimum temperatures

[127]

3

climate

tmin30_std

standard deviation of the minimum temperatures

[127]

4

climate

tmax30_max

highest value of the maximum temperatures

[127]

5

climate

tmax30_min

lowest value of the maximum temperatures

[127]

6

climate

tmax30_std

standard deviation the maximum temperatures

[127]

7

climate

prec30_max

highest precipitation value (wettest month)

[127]

8

climate

prec30_min

lowest precipitation value (driest month)

[127]

9

climate

prec30_std

standard deviation of the precipitation

[127]

10

climate

prec30_sum

total annual precipitation

[127]

11

environment

glc_raw2

vegetation derived from the near-infrared (0.78-0.89 μm) wavelength of the SPOT4 satellite

[128]

12

environment

glc_raw3

vegetation derived from the red (0.61-0.68 μm) wavelength of the SPOT4 satellite

[128]

13

environment

bare_4x4

percentage of bare ground (MODIS)

[129]

14

environment

herb_4x4

percentage of herbaceous ground cover (MODIS)

[130]

15

environment

tree_4x4

percentage of woody vegetation (MODIS)

[131]

16

altitude

srtm_c_ln_3x3

elevational contrast calculated from the SRTM30 data set using a 3x3 moving window

[132]

17

altitude

srtm_v_ln_9x9

elevational variance calculated from the SRTM30 data set using a 9x9 moving window

[132]

18

distance

hydro_buf_af

distance to nearest river

[133]