Table 1.

Relative abundance (%) of bacterial genera in the sediment and in deeper parts of the water column (10 m depth), prior to the onset of water column stratification (March 6, 2013) and in the fall (November 7, 2013).

Genus	March, 2013		November, 2013
	Sediment	10 m	Sediment	10 m
Cytophaga	10.93	0.02	10.76	1.26
Syntrophus	6.62	0.01	7.22	0.65
Rhodocyclaceae	3.69	0.70	5.49	0.28
Methylobacter	2.65	1.25	1.56	2.10
Geobacter	2.48	0.05	2.80	0.58
Spirochaeta	2.34	0.04	1.53	0.30
Verrucomicrobium	2.33	4.01	2.14	6.70
Anaerophaga	1.94	0.00	1.66	1.00
Smithella	1.50	0.00	1.11	2.27
Desulfobacterium	1.38	0.00	1.17	0.03
Clostridium	1.33	0.14	1.40	4.01
Acidobacterium	1.27	0.02	1.18	0.04
Haliea	1.19	0.01	1.51	0.00
Methanosaeta	1.08	0.01	0.56	0.00

Only bacterial genera with a relative abundance >1% in the sediment are listed.