Table 2.

Genus distribution of the obtained bacterial isolates

Genus	Total cultivation								Spore-specific cultivationa
	Station				Outside (day)		Total		Station				Outside (day)		Total
	Day		Night						Day		Night
	nb	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%
Arthrobacter	1	<1	2	5	2	4	5	2
Bacillus	33	17	2	5	16	28	51	18	44	73	1	50	30	61	75	68
Brevibacillus													1	2	1	<1
Brevundimonas	2	1					2	<1
Cellulosimicrobium					1	2	1	<1
Comamonas	1	<1					1	<1
Corynebacterium			2	5			2	<1
Curtobacterium					1	2	1	<1
Dermacoccus	5	3			1	2	6	2
Dietzia	1	<1					1	<1
Enhydrobacter	1	<1					1	<1
Erwinia			1	2			1	<1
Exiguobacterium	1	<1					1	<1
Gordonia			1	2			1	<1
Janibacter	1	<1					1	<1
Kocuria	3	2	1	2			4	1	1	2					1	<1
Lysinibacillus	1	<1			1	2	2	<1					1	2	1	<1
Microbacterium	6	3	2	5	1	2	9	3
Micrococcus	69	36	12	27	13	23	94	32
Paenibacillus	3	2	1	2	3	5	7	2	4	7			6	12	10	9
Paenisporosarcina	1	<1					1	<1	1	2					1	<1
Pantoea	1	<1	1	2			2	<1
Paracoccus	3	2					3	1
Planococcus	2	1					2	<1
Plantibacter					1	2	1	<1
Pseudomonas	9	5	1	2	3	5	13	4
Rhodococcus	1	<1	3	7	1	2	5	2
Roseomonas	1	<1			1	2	2	<1
Rothia			1	2			1	<1	1	2			1	2	2	2
Serratia			1	2			1	<1
Sphingomonas									1	2					1	<1
Sporosarcina					1	2	1	<1
Staphylococcus	37	19	11	25	10	18	58	20	6	10	1	50	10	20	17	15
Streptomyces	6	3	2	5			8	3
Tumebacillus									1	2					1	<1
Viridibacillus					1	2	1	<1	1	2					1	<1
Weissella	1	<1					1	<1
Sum	190		44		57		291		60		2		49		111

^aSome isolates obtained from the spore-specific cultivations were from bacterial genera not known to harbor spore-forming members, such as Staphylococcus.

^bn, number of isolates.