Table 1.

Results of statistical analyses for response of total stem height, total stem density, total plant aboveground biomass, and total plant belowground biomass to plant treatment, snail type, and predator treatment

Factor	Num df	Stem height (Den df = 52)		Stem density (Den df = 55)		Above biomass (Den df = 48)		Below biomass (Den df = 52)
		F	P	F	P	F	P	F	P
Plant treatment	2	48.83	<0.001	12.60	<0.001	10.69	<0.001	12.50	<0.001
Snail type	1	4.55	0.037	3.14	0.082	0.07	0.793	0.63	0.431
Predator	1	0.01	0.917	5.26	0.025	4.38	0.041	0.07	0.787
Plant treatment * Snail type	2	1.16	0.321	0.37	0.690	0.75	0.475	0.12	0.891
Plant treatment * Predator	2	0.82	0.447	1.44	0.244	0.22	0.801	0.07	0.935
Snail type * Predator	1	1.09	0.301	0.64	0.428	0.62	0.433	0.17	0.681
Plant treatment * Snail type * Predator	2	7.05	0.002	1.72	0.189	1.90	0.160	0.15	0.859

Bold indicates significant at P < 0.05; Italics indicates marginally significant at P < 0.10.