Table 2.

Datasets used in this study

Dataset	Size (nt)	# reads	Avg. read length	Reference
HMP*	4.69 × 1012	4.41 × 1010	96	[12]
Human gut	2.80 × 1011	3.50 × 109	75	[62]
Oil spill	3.36 × 1011	3.33 × 109	101	[36]
Polluted lake	6.76 × 109	6.69 × 107	101	[8]
Wadden sea	8.42 × 109	5.23 × 107	161	[63]

*Human Microbiome Project