Fig. 5
From: Methane stimulates massive nitrogen loss from freshwater reservoirs in India
Stimulation of molecular nitrogen production by methane. Changes in concentrations of 14N15N and 15N15N versus time in a water sample collected from 26.5 m depth in Markandeya Reservoir on 15.06.2011 and incubated with 15N-labelled nitrite in the absence (a) and presence (b) of methane
