Table 5 in Phylogeny and species delimitation in an iconic snake genus: the African mambas (Serpentes: Elapidae: Dendroaspis)

Table 5. Variable contributions and permutation importances for each bioclimatic variable used to generate present-day species distribution models for (top) D. angusticeps (mean AUC = 0.987 and standard deviation = 0.002) and (bottom) D. polylepis (mean AUC = 0.907 and standard deviation = 0.010). Dendroaspis angusticeps (AUC = 0.987, standard deviation = 0.987)Bioclimatic variablePercentage contributionPermutation importancePrecipitation of Warmest Quarter40.71.6Precipitation of Driest Month16.16.7Temperature Annual Range (Max Temperature of Warmest Month—Min Temperature of Coldest Month)1541.5Min Temperature of Coldest Month12.312.3Mean Diurnal Range (Mean of monthly (max temp—min temp))8.89.3Precipitation of Coldest Quarter44.1Mean Temperature of Wettest Quarter1.818.1Precipitation of Wettest Month0.74.5Precipitation Seasonality (Coefficient of Variation)0.30.5Mean Temperature of Driest Quarter0.21Max Temperature of Warmest Month0.10.3Dendroaspis polylepis (AUC = 0.907, standard deviation = 0.010)Bioclimatic variablePercentage contributionPermutation importancePrecipitation of Warmest Quarter54.510.9Precipitation of Coldest Quarter12.41Max Temperature of Warmest Month7.59.9Precipitation Seasonality (Coefficient of Variation)5.70.9Min Temperature of Coldest Month5.46.5Mean Temperature of Driest Quarter4.822.3Mean Temperature of Wettest Quarter3.622.7Temperature Annual Range (Max Temperature of Warmest Month—Min Temperature of Coldest Month)3.117.9Precipitation of Wettest Month2.27.2Mean Diurnal Range (Mean of monthly (max temp—min temp))0.40.6Precipitation of Driest Month0.40.2