Geoscience Reference
In-Depth Information
Atmospheric Carbon
- Carbon dioxide
- Methane
Photosynthesis by
photoautomorphs
(plants and algae)
converting:
Carbon dioxide to sugars and
starches
Cellular respiration and
digestion by heterotrophs
forming:
- Carbon dioxide
Oceanic carbon
- Methane
-including: - carbonates
Freshwater carbon
- bicarbonates
- carbon dioxide
Coral
- Calcium carbonate
Limestone
- Calcium carbonate
Cellular respiration, burning
and decay of plants and
algae forming
Decay of residues by
fungi and bacteria
forming
Marine sediments
- Calcium carbonate plus
- Detritus
- Carbon dioxide
- Carbon dioxide
Sedimentary rocks
- Carbonates
- Methane
- Methane
Coal
- Humates, Fulvates
Oil
- Hydrocarbons
Peat
- Plant remains
Soil
- Organic carbon
Organic residues of autotrophs
Organic residues from
heterotrophs
(plants and algae)
- Urine
Organic residues of chemotrophs
(bacteria and archaea that convert carbon
dioxide using energy from oxidation or
various other molecules)
- Manure
- Body residues
Carbon consumed by heterotrophs
(mostly animals)
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