Fig. 2From: The gut bacterial microbiome of Nile tilapia (Oreochromis niloticus) from lakes across an altitudinal gradientPrincipal coordinate analysis based on unweighted UniFrac distance (a) and weighted UniFrac distance(b) of the bacterial community recovered from the gut of Nile tilapia collected from four lakes in Ethiopia located at different altitudes. The explained variances are indicated in bracketsBack to article page