Extended Data Fig. 4: Vertical profiles of porewater geochemistry in two sediment pushcores (FDZ292-S05 and FDZ294-S08).
From: Flourishing chemosynthetic life at the greatest depths of hadal trenches
a, CH4. b, \({{\rm{SO}}}_{4}^{2-}\). c, H2S. d, \({{\rm{NH}}}_{4}^{+}\). e, DOC. f, DIC. g, δ13C-DIC. h, Salinity.
