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Property Organism Value Units ID Details
Total global methane emissions Biosphere 500-600 Tg/year 104553 Liu Y, Whitman WB. Metabolic...
Global methane emissions from natural sources Biosphere 127-282 Tg/year 104550 Liu Y, Whitman WB. Metabolic...
Global methane emissions from anthropogenic sources Biosphere 267-478 Tg/year 104551 Liu Y, Whitman WB. Metabolic...
Global methane emissions from anthropogenic energy generation Biosphere 75-110 Tg/year 104552 Liu Y, Whitman WB. Metabolic...
Standard redox potential of CO2 to methane Unspecified -240 mV 104404 Harold L. Drake, Kirsten...
Sources of global methane emissions from identified sources Biosphere Table - link N/A 104549 Liu Y, Whitman WB. Metabolic...
Change of Gibbs free energy in sulfate dependent methane oxidation Generic -18 kJ/mol 104424 Schink B. Energetics...
Standard gibbs free energy for conversion of hexose to methane and carbon dioxide Generic -390 kJ/mol 104435 Schink B. Energetics...
Fraction of carbon fixed annually by algae and plants that is processed into methane Biosphere 1.6 % 104554 Liu Y, Whitman WB. Metabolic...
Standard gibbs free energy for aerobic degradation of hexose Generic -2870 kJ/mol 104422 Schink B. Energetics...
Fraction of flatus that is carbon dioxide Human Homo sapiens 5 - 50 % 113401 Rowland I et al., Gut...
Standard Gibbs Energies and stadard enthalpies of formation of various compounds at ionic strength 0 M Generic Table - link N/A 104761 Alberty RA. Thermodynamics...
Concentration of anaerobic heterotrophic bacteria in feces Mammals human 10^11: swine 10^11: cattle 10^11: rabbit 10^10 bacteria/g dry weight 112899 Sorlini, C., Brusa, T....
Concentration of methanogenic bacteria in feces Mammals swine 10^8: human 10^7: cattle 10^6: rabbit 10^4 bacteria/g dry weight 112898 Sorlini, C., Brusa, T....
Microbial communities have been thriving in hydrothermal vents for Biosphere >3.3 billion years 112445 Schönheit P, Buckel W...
Standard Gibbs Energies of Formation of various compounds at different pH at ionic strength 0.25 M Generic Table link N/A 104760 Alberty RA. Thermodynamics...
Remnant benzoate concentrations at apparent equilibrium Archaea Methanospirillum hungatei 20 to 70 μM 108748 Stanley Falkow, Eugene...
Hydrogenations- electron-accepting, formally hydrogen-consuming reactions of energy metabolism Generic Table - link N/A 104507 Thauer RK, Jungermann K...
Time scale for appearance of photosynthetic sulfur bacteria and methanogens Biosphere ~3500 MYA 103789 David L. Nelson, Michael...
Redox potentials Generic Table - link N/A 104413 Gerhard Michal, Biochemical...