Table 4. Results of ANOVA and post-hoc Tukey honest significant differences tests for the differences in stable isotope values of vent fauna among the three sites on the East Scotia Ridge.

Species	δ13C				δ 34S				δ15N
	DF	F	p	Post-hoc	DF	F	p	Post-hoc	F	DF	p	Post-hoc
Vulcanolepas sp.	2, 63	403.18	<0.01	E9N<E9S<E2	2, 63	176.16	<0.01	E9S<E2 = E9S	2, 63	138.26	<0.01	E2 = E9S<E9N
Kiwa sp. male	2, 31.36	147.29	<0.01	E2< E9S = E9N*	2, 66	19.52	<0.01	E2 = E9S<E9N	2, 66	52.64	<0.01	E2< E9N = E9S
Sericosura spp.	2, 15	215.00	<0.01	E9N<E9S<E2	2, 15	100.61	<0.01	E9N<E2< E9S	2, 15	3.39	0.06	NA
Peltospiroidea sp.	2, 52	29.50	<0.01	E9N<E9S = E2	2, 52	49.26	<0.01	E9N<E9S<E2	2, 52	2.90	0.06	NA
Lepetodrilus sp.	2, 10	17.41	<0.01	E2 = E9N<E9S	2, 10	31.99	<0.01	E9N = E9S<E2	2, 10	32.10	<0.01	E2 = E9S<E9N

^*Welch’s ANOVA with post hoc analysis by t-test with Bonferroni correction (p = 0.05/3 = 0.017).