Fig. 2From: Denitrification characterization of dissolved oxygen microprofiles in lake surface sediment through analyzing abundance, expression, community composition and enzymatic activities of denitrifier functional genesRemoval efficiency of nitrate under different conditions. a Changes of nitrate removal efficiency in response to treatments with different sawdust contents and pH; b changes of nitrate removal efficiency in response to treatments with different temperatures and pH; c changes of nitrate removal efficiency in response to treatments with different sawdust contents and temperatureBack to article page