Results

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Property Organism Value Units ID Details
Number of plant species Plants ~350,000 (representing an estimated 80–90% of the global total) species 113395 Vellend M et al., Plant...
Fraction of land vertebrates including reptiles, birds, and amphibians that are experiencing a decline and losses in local population Biosphere ~30 % 117263 The Lancet Planetary...
Fraction of 3,623 terrestrial invertebrate species and of 1,306 marine invertebrate species that are classified as threatened with extinction Invertebrates terrestrial species 42%: marine species 25% % 117264 Ceballos G, Ehrlich PR...
Decrease in wildlife on Earth between 1970 and 2012 Biosphere ≤58 % 117265 Ceballos G, Ehrlich PR...
Fraction of number of individual animals that once shared the Earth with humans that are extinct Biosphere ≤50 % of individual animals 117268 Ceballos G, Ehrlich PR...
Fraction of the 1.9 million known recent species that are recorded as extinct Biosphere 0.04 ((799 species)) % 117269 Régnier C et al., Mass...
Number of described species Invertebrates ~1.4 million species 117270 Régnier C et al., Mass...
Number of species that have been described as of 2015 Protists >100,000 species 114593 Soyer-Gobillard MO, Dolan...
Fraction of the ≈10,000 presently known bird species that have become extinct since A.D. 1500 Birds ≈1.3 % 116938 Pimm S, Raven P, Peterson A...
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 ...
Extinction rate Birds 132 extinction/million species/year (E/MSY) 113446 Pimm SL et al., The ...
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 ...
Decrease in bird population size in North America since 1970 Biosphere 29 % 117279 Rosenberg KV et al.,...
Gains and losses across the North American avifauna over the last half century Biosphere Table - link N/A 117280 Rosenberg KV et al.,...
Fraction of all angiosperms (flowering plants) that are asterids and rosids Plants asterids 41% rosids 24 % 116900 Arrivault S et al., ...
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 ...
Km and kcat values of psychrophilic (P) and mesophilic (M) enzymes Various Table - link N/A 114094 Tony Collins & Charles Gerday...
Activation parameters for activity of psychrophilic enzymes (P) as compared to those of their mesophilic counterparts (M) Various Table - link N/A 114095 Tony Collins & Charles Gerday...
Fraction of the ≈300,000 described flowering plant species that are threatened Plants 16 % 116939 Pimm S, Raven P, Peterson A...
Global insect fauna Biosphere ~10^18 animals 116941 Kevin J. Gaston & Tim...