Taxa belonging to the betaproteobacterial families Comamonadaceae (such as Delftia) and Rhodocyclaceae were most abundant in a distinct sand filter layer from 20 to 22 cm.
Taxa belonging to the betaproteobacterial families Comamonadaceae (such as Delftia) and Rhodocyclaceae were most abundant in a distinct sand filter layer from 20 to 22 cm.