Variability in the settlement of non-indigenous species in benthic communities from an oceanic island

Table 4 Final results of the PERMANOVA analysis of NIS cover on plates

Source	df	SS	MS	Pseudo-F	P(perm)	Unique perms
Pressure	2	6078.4	3039.2	4.5666	0.003	999
Location	2	4325.4	2162.7	3.2496	0.007	998
Interaction PresxLoc	4	3562.4	890.6	1.3382	0.192	997
Pairwise test—propagule pressure
High/Low					0.140	998
High/Control					0.001	999
Low/Control					0.008	999
Pairwise test—location
South/North					0.011	998
South/control					0.184	999
North/control					0.007	999

Pressure = NIS pressure factor (high, low, ambient). Location = origin of the plate (N, S, control). Pairwise PERMANOVA for all levels of each factors. Significant results in italics (p < 0.05)

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