Figure 2: Jackknife analyses of the importance of environmental variables when developing species distribution models in different seasons.
From: Historical range, extirpation and prospects for reintroduction of saigas in China

For each variable, the bars show the regularized gain achieved with training data of variable used in isolation. CTI, Compound Topographic Index; Precmean, average monthly mean precipitation; Tran, mean monthly temperature range; Tmean, average monthly mean temperature; Dist2wat, distance to the nearest water; HFI, Human Footprint Index.