Table 1. Results from the PERMANOVA analysis (based on the Bray-Curtis similarity distances of fourth-root transformed species abundance).

Source	df	MS	Pseudo-F	P(perm)	% variance
Dist	1	5738.4	2.83	0.0002	6.0
Hash	1	11404	2.26	0.0012	9.0
Site	6	11217	9.08	0.0001	27
Dist×Hash	1	2909.9	2.35	0.0026	4.2
Dist×Site	6	2566.2	2.08	0.0001	10
Hash×Site	6	2022.6	1.64	0.0027	12
Residual	5	1235.9			31

df- degrees of freedom, MS – mean square, P(perm) - rank-based permutational based probability, % variance component indicates relative importance of each term. Dist – distance. The Dist:Hash:Site interaction was not included as it did not make a significant improvement in model fit.