Legends
Figure 1 : Aerial photographs of sampling sites for A) P. siculus, B) P. viriscens, C) Teira dugesii and D) P. bocagei andP. lusitanicus. Specific collection areas are delimited by yellow lines). Map data ©2021 Google
Figure 2: Boxplots of the alpha-diversity indices (Faith’s phylogenetic diversity, Shannon diversity and the number of observed ASVs) for the gut microbiome of the studied lizards.
Figure 3: PCoA plots representing Bray–Curtis and Unweighted Unifrac distances, grouped by species with 95% confidence interval ellipse.
Figure 4: Relative abundance of the most abundant bacterial genera in the gut microbiome of the studied lizard species from Lisboa (A) and from Moledo (B).
Figure 5 : Linear regression plot between size (SVL) and gut bacterial alpha-diversity (Shannon index) for Podarcis siculus. The coloured area represents the 95% confidence limit.