Table 3.

Model results for comparing functional group abundance in bison diet for June and September between 2018 and 2019.

	Cool-season Graminoid		Warm-season Grass		Legume
	Estimate	SS	P	Estimate	SS	P	Estimate	SS	P
Intercept	27.78 ± 3.49	6335.47	< 0.001	12.81 ± 3.07	1739.97	< 0.001	31.15 ± 4.82	4171.5	< 0.001
MAP.c	0.0111 ± 0.0092	148	0.225	− 0.0091 ± 0.0081	127.7	0.26	0.0051 ± 0.0126	16.16	0.688
MAT.c	− 3.63 ± 0.7	2659.4	< 0.001	2.76 ± 0.62	1981.83	< 0.001	0.78 ± 0.97	63.76	0.426
Year	1.34 ± 4.56	8.58	0.77	− 0.96 ± 4.01	5.74	0.811	− 6.09 ± 6.3	93.22	0.336
Month (Sep)	− 4.33 ± 4.44	95.02	0.331	18.3 ± 3.91	2189.97	< 0.001	− 8.72 ± 6.14	201.36	0.158
MAP.c:MAT.c	0.0042 ± 0.0019	513.5	0.025	− 0.0018 ± 0.0016	123.96	0.267	0.0026 ± 0.0026	100.85	0.317
MAT.c:Year	− 0.4127 ± 1.1162	13.67	0.712	0.1801 ± 0.9823	3.36	0.855	− 0.4635 ± 1.5427	9.03	0.764
MAP.c:Year	− 0.0048 ± 0.0134	12.6	0.723	− 0.0019 ± 0.0118	2.59	0.872	0.0172 ± 0.0186	85.78	0.356
Year:Month (Sep)	− 13.57 ± 6.38	453.3	0.035	− 11.6 ± 5.61	427.45	0.04	27.93 ± 8.81	1004.58	0.002

	Forb			Woody
	Estimate	SS	P	Estimate	SS	P
Intercept	23.72 ± 3.54	4496.52	< 0.001	4.54 ± 1.16	1540.39	< 0.001
MAP.c	− 0.0149 ± 0.0093	257.77	0.11	0.0078 ± 0.003	656.26	0.011
MAT.c	0.55 ± 0.71	58.61	0.445	− 0.45 ± 0.23	372.42	0.055
Year	7.94 ± 4.62	294.65	0.088	− 2.22 ± 1.51	216.16	0.143
Month (Sep)	− 3.65 ± 4.51	65.66	0.419	− 1.6 ± 1.47	118.28	0.278
MAP.c:MAT.c	− 0.0045 ± 0.0019	566.69	0.018	− 0.0005 ± 0.0006	61.89	0.433
MAT.c:Year	0.573 ± 1.1315	25.64	0.613	0.1231 ± 0.3703	11.05	0.74
MAP.c:Year	− 0.0056 ± 0.0136	17.12	0.68	− 0.0049 ± 0.0045	120.41	0.274
Year:Month (Sep)	− 3.34 ± 6.46	26.78	0.606	0.59 ± 2.12	7.78	0.781