Fig. 2From: Vertical niche differentiation of comammox Nitrospira in water-level fluctuation zone of the Three Gorges Reservoir, ChinaRDA plots of correlation between physicochemical factors and abundance of amoA gene of CMX clade A, CMX clade B, AOA, or AOB in WLF zones of the TGR region. Red solid arrows indicate physicochemical factors, and blue arrows indicate amoA gene abundanceBack to article page