A Comparison of Abundance and Diversity of Epiphytic Microalgal Assemblages on the Leaves of the Seagrasses Posidonia oceanica (L.) and Cymodocea nodosa (Ucria) Asch in Eastern Tunisia

Table 3

Analysis of variance ANOVA of the abundances of major groups of microalgae and cyanobacteria in prospected stations.

Source	Df	MS	F	P	Tukey test
Total abundance
Habitat	1	0.050	15.555	0.003	C > P
Residuals	10	0.003
Dinoflagellates
Habitat	1	0.031	1.312	0.279	n. s.
Residuals	10	0.023
Diatoms
Habitat	1	0.067	13.643	0.004	C < P
Residuals	10	0.005
Cyanobacteria
Habitat	1	1.310	1749.266	<0.001	C > P
Residuals	10	0.001
Toxic species
Habitat	1	1.255	57.635	<0.001	C < P
Residuals	10	0.022
Species number (S)
Habitat	1	1452.000	34.005	<0.001	C < P
Residuals	10	42.700
𝐻^′
Habitat	1	0.032	14.143	0.004	C < P
Residuals	10	0.002

C: Cymodocea  nodosa meadow; P: Posidonia  oceanica meadow; n. s.: not significant. Data were log(𝑥+1)-transformed after significant Cochran C test.