Table 3.

Average diversity indices from 100 random subsets of 1355 sequences for Bacteria and 1175 sequences for Archaea and Good's Coverage.

Sample type	Sample	Sequences	OTUs (97%)	Chao1	Shannon's	Good's coverage
Bacteria	44°C_2007	5988	1145	826	5.5	0.890
	44°C_2008	3604	827	687	5.1	0.865
	44°C_2009	5748	305	226	3.2	0.974
	63°C_2007	6033	944	694	4.9	0.904
	63°C_2008a	1355	246	423	4.3	0.911
	63°C_2009	4812	372	296	4.0	0.967
	75°C_2007	2164	172	159	3.0	0.954
	75°C_2008	2138	36	34	2.1	0.993
Archaea forward	44°C_2007a	252	45	66	2.7	0.921
	44°C_2008	5232	618	470	4.1	0.941
	44°C_2009	2648	101	89	1.9	0.980
	63°C_2007	1483	126	119	2.6	0.960
	63°C_2008a	1175	99	97	2.7	0.955
	63°C_2009	8490	652	439	3.9	0.968
	75°C_2008	3668	79	68	2.2	0.994
	75°C_2009	4930	26	20	0.6	0.998
Archaea reverse	44°C_2007	1226	68	66	2.6	0.981
	44°C_2008	1772	268	249	3.9	0.925
	44°C_2009a	826	50	71	1.7	0.972
	63°C_2007	4675	233	180	2.8	0.975
	63°C_2008	4111	233	183	3.4	0.970
	63°C_2009	2245	230	213	3.6	0.955
	75°C_2007	3033	28	24	1.1	0.997
	75°C_2008	2441	88	81	2.3	0.984
	75°C_2009	3416	16	13	1.5	0.999

^aRichness and diversity indices were calculated on the complete dataset. No subset was taken.