Table 2. Results of ANOSIM comparisons of community composition among SU, showing test statistics for global and pair-wise comparisons.

	r	p
All SU	0.0714	0.01
SU1, SU2	0.68	0.02
SU1, SU3	0.917	0.02
SU1, SU4	0.845	0.02
SU2, SU3	0.635	0.05
SU2, SU4	0.607	0.02
SU3, SU4	0.652	0.03