Figure 6From: Assessing the effects of variables and background selection on the capture of the tick climate nicheThe membership function used to select the background to train the models for Ixodes ricinus (A) and Hyalomma marginatum (B). The tone from blue to red shows the degree of membership to the background (pseudo-absence) records and is based on the landscape heterogeneity and distance to known records of the target tick.Back to article page