The Human Impacts Database

A collection of useful numbers for quantifying the impacts of the human presence on Earth.


Quantity Value HuID Source Type
Nitrogen emissions from farmed bivalve production ≈ -150 - -100 kg N /t 23066 Gephart, J.A., et al.
Global beef protein supply 3.5 g / capita / day 23687 FAO (Food and Agricultural Organization …
Annual cultured whiteleg shrimp mass ≈ 4.97 × 109 kg / yr 24497 FAO (Food and Agriculture Organization …
Irrigated water requirement for potato production ≈ 0.2 m3 / Mcal 24999 Eshel, G., Shepon, A., Makov, …
Annual production mass of cow milk 6.83 × 1011 kg / yr 25015 FAO (Food and Agricultural Organization …
Percentage of fish stocks that are overfished ≈ 35 % 26760 FAO (Food and Agriculture Organization …
global annual pesticide use ≈ 4 × 109 kg / yr 27695 FAO (Food and Agricultural Organization …
Global protein supply from eggs 2.9 g / capita / day 28390 FAO (Food and Agricultural Organization …
Global agricultural land use ≈ 4.7 × 1013 m2 29582 FAO (Food and Agricultural Organization) …
Annual captured skipjack tuna mass ≈ 3.16 × 109 kg / yr 30643 FAO (Food and Agriculture Organization …
Nitrogen emissions from farmed seaweed production ≈ -30 - 2 kg N / t 31066 Gephart, J.A., et al.
CO2 equivalent emissions from wild bivalve production ≈ 9000 - 14000 kg CO2e / t 31787 Gephart, J.A., et al.
Feed-to-edible protein conversion efficiency of beef ≈ 10 % 32109 Fry, J.P., Mailloux, N.A., Love, …
Green house gas emissions for dairy production 1.9 ± 0.2 kg CO2e equivalent / Mcal 32331 Eshel, G., Shepon, A., Makov, …
Feed-to-food caloric conversion efficiency of chicken 13 ± 4 % 33540 Shepon, A., Eshel, G., Noor, …