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

From: Multiple genetic lineages challenge the monospecific status of the West African endemic frog family Odontobatrachidae

  Category Parameter Description Original source
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]
  1. Provided are: number, category assignment, parameter acronym, description of the parameter and the source of the original data.