Table 2.

Results of the pairwise tests contrasting the R. pulmo associated heterotrophic bacteria abundance (as colony forming unit CFU counts) and the bacterial optical density due to the potential of specific microbial population to utilize different carbon sources among umbrella (U), oral arms (A) and mucus (M) in July (T1) and February (T2).

	t	P(MC)	t	P(MC)	t	P(MC)	t	P(MC)
		Heterotrophic Abundance			Optical Density
	T1		T2		T1		T2
M vs U	3.61	*	5.97	**	4.56	***	3.72	*
M vs A	2.1	*	2.02	ns	5.67	***	3.61	*
U vs A	3.51	**	2.91	*	3.60	**	3.84	*

P(MC)—probability level after Monte Carlo simulations; t—pairwise tests. *—p < 0.05; **—p < 0.01; ***—p < 0.001; ns—not significant.