Table 4.

Results of two-way ANOVAs on the effects of phosphorus and light on snail shell length and soft body mass at the end of the grazing phase.

	Shell length		Soft body mass
	F1,8	p	F1,8	p
Phosphorus	1.25	0.3	20.63	0.002
Light	52.69	< 0.001	31.51	< 0.001
Phosphorus × light	0.31	0.6	3.60	0.09

Significant effects (p < 0.05) are highlighted in bold.