Table 2. Summary of clone libraries constructed targeting archaeal amoA using DNA and cDNA as templates. Number of clones from each library, and number of OTUs defined at a similarity level of ≥97%. Depth of initial water sample collection in meters (m).

Station	Depth	Template	Clones	Library	OTUs
129	35	DNA	6	a.129.35.d	6
129	120	DNA	91	a.129.120.d	12
123	200	DNA	51	a.123.200.d	8
123	200	cDNA	32	a.123.200.r	5
123	280	DNA	86	a.123.280.d	11
109	110	DNA	19	a.109.110.d	4
109	110	cDNA	46	a.109.110.r	1
109	400	DNA	92	a.109.400.d	13