Figure 3 in Parrillo v Italy: is there life in the European Court of Human Rights?

Figure 3 Species richness and density cf niche breadth cf butterfly cbserved at five study sites. Species richness (number of species) and density (abundance per 1-cm transect) of niche breadth (specialist species, intermediate species, and generalist species) of butterfly observed at five study sites. Different letters above the bars indicate significant difference.