Water
with
(lissolwed O2
*/>.»/ tHus
Action ot suit uf ondmnq bactena
Desu/fCMhrtt
Sediment
Action ot sultate reducmg bactena
Lagoon
X
V
V
Walor with dissolwed H2S ^ no O2
Water with dissolveri 0?
V Ł
No sułfur oxidi/ing bactena
Action ot sultate reducmg bactena
Sediment