Table 1. Number of indicator species identified for Polley Lake, Bootjack Lake, Quesnel Lake and Hazeltine Creek within each hydrozone layer.

Lake	# of Sites	# of OTUs (total)	Indicator sp. (#)	Representation (% of OTUs)	Rel. abund. (% of reads)
Terrestrial Surface Layers
Polley Lake	16	1663	32	1.92	3.4
Bootjack Lake	14	1546	182	11.77	31.1
Quesnel Lake	16	1423	220	15.46	26
Hazeltine Creek	21	745	211	28.32	61.3
Deeper Terrestrial Mineral Layers
Polley Lake	25	1663	13	0.78	1.4
Bootjack Lake	16	1546	158	10.22	39.2
Quesnel Lake	11	1423	235	16.51	41.2
Hazeltine Creek	16	745	179	24.03	59.6
Sub-aqueous Sediment Layers
Polley Lake	26	1663	49	2.95	9.69
Bootjack Lake	19	1546	179	11.58	36.85
Quesnel Lake	12	1423	137	9.63	33.41
Hazeltine Creek	7	745	75	10.07	47.67