Bacterial Diversity Associated with the Coccolithophorid Algae Emiliania huxleyi and Coccolithus pelagicus f. braarudii

Table 2

Bacterial species richness deduced from cultivation and clone library studies.

Coccolithophore	OTUs^1				Cultivable	Total
	No.	Chao-1	Shannon	Evenness
E.  huxleyi
CCAP 920/8	17	18	2.61	0.9212	17	27
RCC 1214	25	103	2.84	0.8823	25	35
RCC 1216	15	18	2.28	0.8419	19	26
C.  pelagicus f.  braarudii
RCC 1200	28	96	2.76	0.8282	23	39
RCC 1203	ND	ND	ND	ND	21	—

Number of OTUs, Chao-1, and Shannon index calculated at 0.01 distance as calculated in MOTHUR [14]. Evenness was calculated as , where is Shannon diversity index; is species richness. ND: not determined.