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Table 2 Effect of UVB treatment and sampling date on concentration of chlorophyll a and b, total chlorophyll (a + b) and a/b ratio in Sphagnum lindbergii

From: Seasonal and inter-annual variation in the chlorophyll content of three co-existing Sphagnum species exceeds the effect of solar UV reduction in a subarctic peatland

Source	Chl a		Chl b		Chl a + b		Chl a/b
Source	F	p value	F	p value	F	p value	F	p value
Treatment	0.69	0.504	0.43	0.65	0.59	0.559	4.97	0.01
Date	66.7	<0.001	55.4	<0.001	64.5	<0.001	47.4	<0.001
Treatment × date	2.16	0.03	1.81	0.07	2.13	0.032	1.48	0.158

For both effects and their interaction F values and statistical significance of mixed linear model analysis are presented

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