Table 3 Analysis of variance (ANOVA) and post hoc Tukey results testing for significant differences in viral abundance and VPR among layers [epipelagic (EPI), mesopelagic (MESO), and bathypelagic (BATHY)] and oceans [Atlantic (ATL), Indian (IN), and Pacific (PAC)].

Lower panel: ANOVA and post hoc Tukey results testing for significant differences in viral abundances among water masses in the mesopelagic and bathypelagic layers. Only significant values are shown (P < 0.05).

	ANOVA			Tukey’s test
	Viral abundance
	Layers
	n	F	P	Layers	P
	1040	1040.16	<0.0001	EPI-BATHY	<0.0001
				EPI-MESO	<0.0001
				MESO-BATHY	<0.0001
	Oceans
Layers	n	F	P	Oceans	P
Epipelagic	601	10.59	<0.0001	PAC-ATL	0.0002
				IN-ATL	0.0004
Mesopelagic	227	5.12	0.007	ATL-IN	0.01
				ATL-PAC	0.05
Bathypelagic	210	0.005	0.1
	VPR
	Layers
	n	F	P	Layers	P
	1030	2.93	0.05	EPI-MESO	0.05
	Oceans
Layers	n	F	P	Oceans	P
Epipelagic	601	17.71	<0.0001	PAC-ATL	<0.0001
				PAC-IN	0.004
Mesopelagic	227	1.14	0.321
Bathypelagic	210	3.1	0.05	ATL-IN	0.04
	Water masses
	n	F	P	Water masses	P
Mesopelagic	228	3.08	0.001	AAIW-13EqPac	0.04
				AAIW-ICW_13	0.02
				ENACW-ICW_13	0.03
Bathypelagic	211	1.53	0.16