Table 5. Number of OTUs and reads found in 1 to 6 samples, as well as in all samples or minimum 1 sample of both regions (ARC + ANT), or exclusively one region (ARC - Arctic, ANT - Antarctic).

Samples	OTUs	Reads
6	84	43467
5	108	14013
4	204	17006
3	381	10292
2	767	10157
1	4275	13697
Total	5819	108632
All samples:
ARC+ANT	84	43467
ARC only	37	1143
ANT only	45	2754
Min 1 sample:
ARC+ANT	1071	85235
ARC only	2051	8489
ANT only	2697	14908