Fig. 2From: Nitrite oxidizing bacteria (NOB) dominating in nitrifying community in full-scale biological nutrient removal wastewater treatment plantsNitrifying activity in 10 WWTPs. a oxygen uptake rates of AOB (OUR-AOB) and NOB (OUR-NOB); b ammonium uptake rates for AOB (AUR) and nitrite uptake rates for NOB (NUR)Back to article page