Fig. 5From: Competition overrides climate as trigger of growth decline in a mixed Fagaceae Mediterranean rear-edge forestPearson correlations calculated between the ring-width indices (RWI) and the SPEI drought index from January to December (y axes) and for time scales between 1 and 20 months (x axes). Correlation values higher than 0.29 and 0.38 are significant at P < 0.05 and 0.01, respectivelyBack to article page