Variability in the Structure of Phytoplankton Assemblages in relation to Human Disturbance in Southern Coast of Tunisia

Table 3

ANOVA on microalgae abundances between controls and disturbed stations. M: Mahdia (control station); K: Skhira (disturbed station); n.s.: not significant.

	DF	MS	𝐹	𝑃	Tukey’s test
Total abundance
Station	1	781250	0.002	0.963	n.s.
Residuals	17	356395368
Species number
Station	1	338	6.953	0.017943	K > M
Residuals	17	48.61
𝐻^′
Station	1	0.25515	1.552	0.230796	n.s.
Residuals	17	0.16442
Dinoflagellates
Station	1	504560556	5.662	0.029	K < M
Residuals	17	89109085
Gonyaulacales
Station	1	297273472	12.488	0.003	K < M
Residuals	17	23802884
Gymnodiniales
Station	1	6805.6	0.036	0.85	n.s.
Residuals	17	185040.8
Total	18
Dinophysiales
Station	1	80000	4	0.062	n.s.
Residuals	17	20000
Prorocentrales
Station	1	40951250	6.177	0.024	K < M
Residuals	17	6628897
Peridiniales
Station	1	1250	0.001	0.974	n.s.
Residuals	17	1148603
Diatoms
Station	1	4.81𝐸+08	16.398	>0.001	K > M
Residuals	17	2.93𝐸+07
Pennate diatoms
Station	1	48840139	0.924	0.35	n.s.
Residuals	17	52850433
Centric diatoms
Station	1	196020000	7.158	0.016	M < K
Residuals	17	27384118
Cyanobacteria
Station	1	533889	12.613	0.002	K > M
Residuals	17	42326