TABLE 2.

Detailed bacterial and archaeal MiSeq library statistics, comprising the sequence data for (a) the whole dataset (i.e., Demospongiae, Hexactinellida, and seawater samples), (b) the Demospongiae subset, (c) the Hexactinellida subset, and (d) the seawater subset.

Metric	Bacteria	Archaea
Number of samples	72	72
Number of features	9,102	1,052
Total frequency	1,960,245	2,090,246
Demospongiae samples	21	21
Demospongiae features	2,084	437
Demospongiae frequency	558,729	770,140
Hexactinellida samples	24	24
Hexactinellida features	4,357	264
Hexactinellida frequency	588,341	535,764
Seawater samples	27	27
Seawater features	4,025	791
Seawater frequency	813,175	784,342