Proc. IODP, 327, Data report: microbial diversity in sediment near Grizzly Bare Seamount in Holes U1363B and U1363G

Table T3. Microbial richness and evenness in Grizzly Bare sediment samples, Holes U1363B and U1363G.


Measure	Similarity cutoff	1363B1H1_SC	1363B1H1_RS	1363B7X2_IW	1363B8X1_SC	1363G1H2_SC	1363G3H1_SC	Extraction control
Number of sequenced clones		21	19	23	17	14	17	21
Observed OTUs	99%	18	10	5	13	11	12	2
Observed OTUs	97%	15	9	5	13	11	10	2
Estimated OTUs (Chao1)	99%	78	14	5	41	18	24	2
Estimated OTUs (Chao1)	97%	33	12	5	41	18	15	2
Simpson’s evenness index	99%	0.02	0.14	0.27	0.05	0.03	0.06	0.90
Simpson’s evenness index	97%	0.04	0.15	0.27	0.05	0.03	0.08	0.90
Shannon diversity index	99%	4.26	2.53	1.45	3.47	3.29	3.15	0.31
Shannon diversity index	97%	3.39	2.33	1.45	3.47	3.29	2.66	0.31

OTU = operational taxonomic unit.