Fig. 3
From: Shrub richness is primarily driven by climate conditions in Southwestern European woodlands
Partial plots of the centered fitted functions for the predictors with the greatest relative importance of the boosted regression trees for the data as a whole. In brackets, the relative importance of each variable. Var _Rainfall = rainfall variability; Temperature = mean annual temperature (°C); Alt = altitude (m asl); Rainfall = mean cumulative rainfall (mm); Nitrogen (cg/kg); Sand (g/kg); DBH = mean plot dbh (cm)