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Property Organism Value Units ID Details
Global respiration of flora and fauna Biosphere 4.0 x 10^15 - 4.3 x 10^15 mol O2/year 116115 Duursma EK, Boisson MPRM...
Predominant bacterial species isolated from feces Human Homo sapiens Table - link % 112897 Adrian Lee, 1985, Neglected...
Rate of turnover of e. coli strains in intestine Human Homo sapiens 2-4 weeks 102540 Hartl DL, Dykhuizen DE....
Mean percentage of different bacterial groups within the mucosal biofilm Human Homo sapiens Table - link N/A 112362 Swidsinski A, Weber J...
Number of species of bacteria in mammalian large intestine bacteria 400-500 unitless 105655 Peekhaus N, Conway T....
Description of the numerically predominant anaerobes that occur in the large intestine Human Homo sapiens Table - link Log10(g dry wt.)^-1 112839 G. T. Macfarlane and...
Number of species in microbiome Human Homo sapiens 500-1000 unitless 102387 Sears CL. A dynamic ...
Fraction of plant species that hybridize Plants according to floristic surveys ~10: in a township in Massachusets ~3: in the British Isles ~25 % 113465 Yakimowski SB, Rieseberg...
Fraction of 16S rDNAs molecular species that correspond to known organisms in fecal sample Human Homo sapiens 24 % 110959 Suau A et al., Direct...
Composition of the human gastrointestinal microflora Human Homo sapiens Table - link CFU/ml or CFU/g 112843 A. Lidbeck and C. E. Nord...
Ratio of anaerobic/aerobic bacteria in faeces Human Homo sapiens 1000 anaerobes/aerobes 112842 A. Lidbeck and C. E. Nord...
Usual concentration of bacteria in stomach Human Homo sapiens <1,000 cfu/ml 110219 Simon GL, Gorbach SL....
Concentration of Escherichia coli (in colony forming units=cfu) in faeces Human Homo sapiens in infancy >10^9 cfu/gram of faeces: after age 2 ~10^8 cfu/gram of faeces, gradually decreasing in the elderly cfu/gram of faeces 116916 Tenaillon O, Skurnik D...
Ratio between number of genes in microbiome and in human Human Homo sapiens 50-100 unitless 102388 Sears CL. A dynamic ...
Percent of indigenous gastrointestinal tract microflora that are obligate anaerobes Human Homo sapiens 99.9 % 105706 Berg RD. The indigenous...
Overall frequency of plant species that hybridize Plants 0.09 hybrid combinations per nonhybrid species 113466 Yakimowski SB, Rieseberg...
Weight of bacteria in gut Human Homo sapiens 1.2 Kg 102755 Bocci V. The neglected...
Prevalence of Escherichia coli Vertebrates humans >90%: wild mammals 56%: birds 23%: reptiles 10 % 116911 Tenaillon O, Skurnik D...
Number of e. coli in colon content Various 1e+6 cells/gram 102536 Hartl DL, Dykhuizen DE....
Occurrence, concentrations, distribution of the mucosal bacteria, and the percentage of bacteria accessible by FISH Human Homo sapiens Table - link N/A 112361 Swidsinski A, Weber J...