Table 2.

Bacterial taxa retrieved from ILMAH surfaces sampled at various time points of human occupation

Bacterial taxon	Number of sequences from sampling time at
	Day 0		Day 13		Day 20		Day 30
	Total	Viable	Total	Viable	Total	Viable	Total	Viable
Acidobacteria	15	11	89	47	15		49	41
Actinobacteria	2803	1156	17631	10697	14865	4806	23314	17663
Bacteroidetes	2733	538	2418	169	1719		1517	538
Candidatus Saccharibacteria	91	52	106	39	56		99	7
Chlamydiae	22	23	31				8
Chloroflexi	94	42	49	59	19	28	43	11
Cyanobacteria	129	53	567	29	96		1704	541
Deinococcus-Thermus	50	9	7	1	3	2	4
Firmicutes	6303	4719	17282	9604	13910	2212	23312	15422
Fusobacteria	11		54	1	13		111	5
α-proteobacteria	15956	4082	2959	1196	396	29	1893	1881
β-proteobacteria	10664	3051	1835	980	261	39	1242	1065
δ-proteobacteria	21	5	113	88	34	8	13	16
ε-proteobacteria	3		6	1			2	2
γ-proteobacteria	3088	1279	3561	1777	3997	27	2340	412
Parcubacteria			19	54	3		5	13
Others (4 phyla)	1	3	21	20	5		19	3
Unclassified bacteria	131	63	247	620	71	10	215	150