Figure 2

Functional and phylogenetic diversity of amphibian communities in Rwanda. (a) Diversity of functional-trait combinations (functional richness) of amphibian species in natural sites (blue) vs. farmland (red) across Rwanda. Species are projected into a three-dimensional trait space where they are arranged according to the similarity in their trait combinations (left: axes 1 and 2, right: axes 2 and 3). The trait combinations of frogs found in farmland are much smaller than, and completely nested within, the trait combinations of species found in the natural sites. (b) Phylogenetic tree of the frog species found in natural sites (blue) and farmland (red) across Rwanda. The farmland holds most of the major lineages but the number of branches within the lineages is greatly reduced.