Table 3.

Three‐way ANOVA results with interactions among water depth, nutrients levels, and species for the effects of water depth fluctuations with different nutrients treatments on competitive interaction index data for W. trilobata and W. chinensis

Factors	Competitive interaction index (CII)
	SS	F	P
WD	0.397	0.132	<0.001
N	0.272	0.136	<0.001
S	1.003	1.003	<0.001
WD* N	0.103	0.017	0.168
WD*S	0.094	0.031	<0.005
N *S	0.055	0.028	<0.005
WD* N *S	0.098	0.016	. <0.005

Abbreviationd: N, nutrient treatments; ns, nonsignificant; S, species; SS, sum of squares; WD, water depth.

^*indicates significant values at p < .005.

^**indicates significant values at p < .001.