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The Winogradsky Column
Plastic wrap n
Aerobic
Zone
Microaerophilic
Zone
Anaerobic
Zone
Air
Water
02dominated mud
Rust colored zone
Red zone
Green zone
Anaerobic
H S dominated zone
(Black)
Organisms
Diatoms
Cyanobacteria
Protists
Algae
Aerobic sulphur oxidizing mos.
Thiobacillus, Thiothrix
Photoheterotrophs
Non-Sulphur bacteria
Rhodospirillium
Rhodopseudomonas
Purple sulphur bacteria
Chromatium
Green sulphur bacteria
Chlorobium
Sulphur reducing bacteria
Desulfovibrio
Clostridium
Chemistry
O high Slow
O low S high

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Winogradsky column

  • 1. The Winogradsky Column Plastic wrap n Aerobic Zone Microaerophilic Zone Anaerobic Zone Air Water 02dominated mud Rust colored zone Red zone Green zone Anaerobic H S dominated zone (Black) Organisms Diatoms Cyanobacteria Protists Algae Aerobic sulphur oxidizing mos. Thiobacillus, Thiothrix Photoheterotrophs Non-Sulphur bacteria Rhodospirillium Rhodopseudomonas Purple sulphur bacteria Chromatium Green sulphur bacteria Chlorobium Sulphur reducing bacteria Desulfovibrio Clostridium Chemistry O high Slow O low S high