FIG. 2.

(A and B) Effects of the addition of alternative substrates on the transformation of DMS (A) and MT (B) in anoxic slurries prepared from a minerotrophic ditch in the De Bruuk peatland. At the times indicated by the arrows, DMS-amended slurries were pulsed with methanol (66 μM) (□), TMA (66 μM) (⧫), and sodium acetate (66 μM) (◊). Controls (■) were incubated without any further addition. (C) Effect of the addition of MT on the degradation of DMS. Shown are DMS concentrations in slurries without further addition (control) (■) and slurries with the addition of MT (14 μM) (□). For the latter incubations the MT concentrations (◊) are also shown.