Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Milankovitch cycles (orbital periods of the earth) | Biosphere | Table - link | years | 116127 | Duursma EK, Boisson MPRM... |
| Total biomass on Earth | Biosphere | ≈550 | gigatons of carbon (Gt C) | 115269 | Bar-On YM, Phillips R... |
| Surface area of earth covered by water | Biosphere | 3.62e+8 | km^2 | 100542 | http://hypertextbook... |
| Nitrogen flow on Earth | Biosphere | Table - link | N/A | 103506 | John Harte, Consider... |
| Sulfur flow on Earth | Biosphere | Table - link | N/A | 103509 | John Harte, Consider... |
| Carbon flow on Earth | Biosphere | Table - link | N/A | 103492 | John Harte, Consider... |
| Phosphorus flow on Earth | Biosphere | Table - link | N/A | 103508 | John Harte, Consider... |
| Total marine biomass on Earth | Biosphere | ≈6 | gigatons of carbon (Gt C) | 115273 | Bar-On YM, Phillips R... |
| Surface area of the Earth | Biosphere | 5.1e+8 | km^2 | 116120 | Duursma EK, Boisson MPRM... |
| Number of microbial species on Earth | Biosphere | 10^11 - 10^12 | species | 113932 | Locey KJ, Lennon JT.... |
| Biological nitrogen fixation on Earth | Biosphere | 2e+14 | Kg (N)/Year | 103507 | John Harte, Consider... |
| Total organic carbon on Earth | Biosphere | ~2,000 | Gt C | 111600 | Landenmark HK, Forgan DH... |
| Environmental parameters on Mars and Earth surfaces | Biosphere | Table - link | N/A | 114113 | Verseux et al., Sustainable... |
| livestock (cows, pigs, poultry etc) biomass on earth per person | Biosphere | ~100 | kg/person | 111482 | V. Smil, Should we eat meat?... |
| Total solar electromagnetic energy reaching the earth | Biosphere | 160 | W/m^2 | 104558 | Jorg Overmann and Ferran... |
| Maximum biological time scale: age of earth | Biosphere | 4e+9 | years | 103768 | "Physical Biology of... |
| Total animal biomass on Earth (mainly marine) | Biosphere | ≈2 | gigatons of carbon (Gt C) | 115271 | Bar-On YM, Phillips R... |
| Surface area of earth covered by land | Biosphere | 1.48e+8 | km^2 | 100541 | http://hypertextbook... |
| Average heat flow through the earth crust | Biosphere | 0.059 | W/m^2 | 100747 | Sustainable Energy -... |
| Number of bird specimens on Earth | Biosphere | 200 - 400 | billion (10^9) birds | 116940 | Kevin J. Gaston & Tim... |