Screenshots of selected significance test results. Environment abbreviations are the same as described for Fig. 2. A) Result of running P-Test Significance with the Each pair of environments option. The P-values have been colored by significance. P-values < 0.001 are red, 0.001–0.01 are yellow, 0.01–0.05 are green and 0.05–0.1 are blue and >0.1 are grey. B) Result of running UniFrac Significance on Each environment individually with Number of Permutations set to 1000.