Table 1.

Total OTU counts in functional and abundance-based groupings and % of all reads that each grouping accounts for.

Grouping Type	OTU Grouping	Abundance	Number of OTUs	% of Total OTUs (12275)	Average % of Total Reads
Functional Grouping	Insect Pathogens	All	114	0.9	0.168
		Rare only	114	0.9
		Abundant only	0	0
	AM fungi	All	646	5.3	3.332
		Rare only	639	5.2
		Abundant only	7	0.01
Abundance Grouping	Rare		11358	92.5	6.064
	Abundant		917	7.5	93.832
	Core		276	2.2	78.951
	All		12275	100	100

Functional groupings are also divided into “rare” and “abundant” based on whether the OTU was <0.1% abundant across all samples.