TABLE 2.

Permutational multivariate analysis of variance of host variables based on unweighted and weighted UniFrac distance metrics

Site	Formula	Variable	Unweighted UniFrac				Weighted UniFrac
			Sum sqrs	R2	F	Pr(>F)	Sum sqrs	R2	F	Pr(>F)
Gut	1a	Host species	10.03	0.12	2.07	0.001	4.12	0.16	2.90	0.001
		Locality	7.35	0.09	2.43	0.001	1.9	0.07	2.14	0.001
	2b	Diet	2.14	0.03	8.93	0.001	1.12	0.04	15.28	0.001
	3c	Mass	1.78	0.02	7.43	0.003	0.96	0.04	13.08	0.003
		Age	0.75	0.01	1.57	0.011	0.27	0.01	1.82	0.06
		Sex	0.46	0.01	1.92	0.009	0.04	<0.01	0.58	0.86
Oral	1	Host species	12.14	0.13	2.17	0.001	4.21	0.29	6.80	0.001
		Locality	7.62	0.08	2.62	0.001	0.7	0.05	2.18	0.001
	2	Diet	1.93	0.02	6.81	0.001	2.09	0.14	51.98	0.001
	3	Mass	1.71	0.02	6.12	0.002	1.3	0.09	31.73	0.003
		Age	1.51	0.02	2.69	0.002	0.25	0.02	3.08	0.006
		Sex	0.31	<0.01	1.09	0.293	0.14	0.01	3.38	0.01
Skin	1	Locality	11.3	0.11	3.8	0.001	3.76	0.18	9.41	0.001
		Host species	10.1	0.10	1.96	0.001	3.13	0.15	4.53	0.001
	2	Diet	5.28	0.05	20.52	0.001	1.14	0.06	21.18	0.001
	3	Mass	3.32	0.03	13	0.002	0.75	0.04	14.20	0.002
		Age	2.05	0.02	4.02	0.002	0.43	0.02	4.07	0.002
		Sex	0.34	<0.01	1.31	0.148	0.07	<0.01	1.38	0.161

^aFormula 1. adonis2([data] ∼ Locality + Host species, by = “margin,” perm = 999).

^bFormula 2. adonis2([data] ∼ Diet, strata = Locality, perm = 999).

^cFormula 3. adonis2([data] ∼ Age + Sex + Mass, strata = Host species, by = “margin,” perm = 999).