TABLE 3.

MPN counts of acetate-oxidizing, Mn- and Fe-reducing bacteria in Black Sea sediments

Station	Mn reducers		Iron reducers
	MPN (cells cm−3)	95% Confidence interval	MPN (cells cm−3)	95% Confidence interval
I	2.1 × 103	350–4.7 × 103	23	4–120
II	1.1 × 105	1.5 × 104–4.8 × 105	23	4–120
III	1.1 × 103	150–4.8 × 103	23	4–120
IV	460	71–2.4 × 103	23	4–120