Results

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Property Organism Value Units ID Details
Number of cells of bacteria and archaea estimated to inhabit Earth Biosphere ~10^30 cells 113931 Locey KJ, Lennon JT....
Number of microbial species on Earth Biosphere 10^11 - 10^12 species 113932 Locey KJ, Lennon JT....
Number of described and undescribed animal species Biosphere described ~1,900,000: undescribed 11,000,000 species 113443 Pimm SL et al., The ...
Fraction by which species richness is lower in agricultural land compared to minimally disturbed primary vegetation Plants ~30 % 113396 Vellend M et al., Plant...
Estimated number of species Insect 5,000,000 - 6,000,000 species 113444 Pimm SL et al., The ...
Fraction of the ≈300,000 described flowering plant species that are threatened Plants 16 % 116939 Pimm S, Raven P, Peterson A...
Diversification rate Eukaryotes plants 0.06: birds 0.15: various chordates 0.2: arthropods 0.17: mammals 0.07 new species/species/million years 113447 Pimm SL et al., The ...
Estimated number of species of land plants Biosphere >450,000 species 113442 Pimm SL et al., The ...
Extinction rates calculated by cohort analysis and fractions of species that are critically endangered (CR) vertebrates Table - link N/A 113448 Pimm SL et al., The ...
Estimated rates of plant extinction and speciation in the distant past (background), the recent past (Anthropocene), and the future (projected) Plants Table - link S/MSY (species per million species per year) 113398 Vellend M et al., Plant...
Estimated number of marine species Biosphere primary source [9] 2.2±0.18: primary source [12] 0.7 - 1.0 million species 113445 Pimm SL et al., The ...
Number of described species of beetles (Coleoptera, the most species-rich group of organisms on Earth) Insect ~360,000 described species 113121 Bouchard P et al., F...
Number of plant species Plants ~350,000 (representing an estimated 80–90% of the global total) species 113395 Vellend M et al., Plant...
Extinction rate Birds 132 extinction/million species/year (E/MSY) 113446 Pimm SL et al., The ...
Number of predicted protein-coding genes Physcomitrella patens 27949 genes 111377 Lang D, Zimmer AD, Rensing SA...
Fraction of species in breeding avifauna which comprises seabirds Birds in Britain 16 %: globaly ~4 % 116945 Kevin J. Gaston & Tim...
Number of migratory birds lost to hunting and trapping in the Mediterranean countries each year Biosphere 1e+9 birds/year 116946 Kevin J. Gaston & Tim...
Km and kcat values of psychrophilic (P) and mesophilic (M) enzymes Various Table - link N/A 114094 Tony Collins & Charles Gerday...
Estimates for the number of individual birds in Africa and the Nearctic with mean density Birds Table - link N/A 116950 Kevin J. Gaston & Tim...
Oxygen concentration below which 50% of coastal marine animal species die Various ~70 μmol/kg 108704 Seibel BA. Critical oxygen...