Fig. 3From: Predicting the effectiveness of protected areas of Natura 2000 under climate changeFuture climate 2050 (Intermediate scenarios; RCP 4.5) for PAs in the Alpine bioregion defined by the first and second axes of a PCA of 19 climatic variables. Arrows indicate the direction and magnitude of loading of 19 variables on the two PCA axes (abbreviations in Table 1)Back to article page