Table 1. Results of two-way ANOVA on effects of culture treatments (developing phase) and species (species) on the concentration of photosynthetic pigments.

			24h		7d
Source	Dependent Variable	df	F-ratio	P-value	F-ratio	P-value
developing phase	Chla	2	16.776	0.000	2.287	0.123
	Chlb	2	20.685	0.000	5.845	0.009
	Chl	2	18.028	0.000	4.153	0.028
	Cha:Chlb	2	12.098	0.000	3.315	0.054
species	Chla	1	30.593	0.000	123.731	0.000
	Chlb	1	5.433	0.028	53.628	0.000
	Chl	1	17.825	0.000	112.554	0.000
	Cha:Chlb	1	0.354	0.557	0.308	0.584
developing phase × species	Chla	2	0.711	0.501	9.581	0.001
	Chlb	2	0.078	0.926	9.720	0.001
	Chl	2	0.039	0.962	9.639	0.001
	Cha:Chlb	2	2.567	0.098	6.038	0.008
Error	Chla	24
	Chlb	24
	Chl	24
	Cha:Chlb	24

Corresponding pigment concentrations and post-hoc comparisons are shown in Table2.