Fig. 2From: Ecological interactions and the underlying mechanism of anammox and denitrification across the anammox enrichment with eutrophic lake sedimentsQuantification of the anammox and denitrification across the anammox enrichment with lake sediments in bioreactor systems. Potential denitrification and anammox ratio determined by the 15NH4.+ labelling analysis (a). Copy numbers of the nirS/K and hzsB genes determined by real-time PCR (b, c, d)Back to article page