Cited by 3,213Soil Carbon and Nitrogen DynamicsSoil Geostatistics and MappingSoil and Environmental Studies

Total carbon and nitrogen in the soils of the world

BATJES, N.H.·1996·European Journal of Soil Science

Abstract

Summary The soil is important in sequestering atmospheric CO 2 and in emitting trace gases (e.g. CO 2 , CH 4 and N 2 O) that are radiatively active and enhance the ‘greenhouse’ effect. Land use changes and predicted global warming, through their effects on net primary productivity, the plant community and soil conditions, may have important effects on the size of the organic matter pool in the soil and directly affect the atmospheric concentration of these trace gases. A discrepancy of approximately 350 × 10 15 g (or Pg) of C in two recent estimates of soil carbon reserves worldwide is evaluated using the geo‐referenced database developed for the World Inventory of Soil Emission Potentials (WISE) project. This database holds 4353 soil profiles distributed globally which are considered to represent the soil units shown on a 1 / 2 ° latitude by 1 / 2 ° longitude version of the corrected and digitized 1:5 M FAO–UNESCO Soil Map of the World. Total soil carbon pools for the entire land area of the world, excluding carbon held in the litter layer and charcoal, amounts to 2157–2293 Pg of C in the upper 100 cm. Soil organic carbon is estimated to be 684–724 Pg of C in the upper 30 cm, 1462–1548 Pg of C in the upper 100 cm, and 2376–2456 Pg of C in the upper 200 cm. Although deforestation, changes in land use and predicted climate change can alter the amount of organic carbon held in the superficial soil layers rapidly, this is less so for the soil carbonate carbon. An estimated 695–748 Pg of carbonate‐C is held in the upper 100 cm of the world's soils. Mean C: N ratios of soil organic matter range from 9.9 for arid Yermosols to 25.8 for Histosols. Global amounts of soil nitrogen are estimated to be 133–140 Pg of N for the upper 100 cm. Possible changes in soil organic carbon and nitrogen dynamics caused by increased concentrations of atmospheric CO 2 and the predicted associated rise in temperature are discussed.

Integrity signals

Registry

Crossref · 10.1111/j.1365-2389.1996.tb01386.x

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  • The global soil holds the largest terrestrial organic carbon pool (~1,500 Pg C to a depth of 1 m; 2,400 Pg C to 2 m depth).

    “The global soil has been estimated to hold the largest terrestrial organic carbon pool (~1,500 Pg C to a depth of 1 m; 2,400 Pg C to 2 m depth) (Batjes, 1996).”
  • Soil C stocks can be increased by increasing organic matter inputs or by reducing decomposition rates, or both, leading to net removal of C from the atmosphere.

    “hence, C stocks can be increased by increasing organic matter inputs or by reducing decomposition rates (e.g., by reducing soil disturbance), or both, leading to net removal of C from the atmosphere 11”

    From Climate-smart soils (2016) · cites this paper as [11]

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Authors
BATJES, N. H.
Affiliations
ISRIC - World Soil Information (NL)
Corresponding author
BATJES, N.H.
Venue
European Journal of Soil Science
Publisher
Wiley
Published
1996-06
Volume
47
Issue
2
Pages
151-163
ISSN
  • 1351-0754 (ISSN-L)
  • 1365-2389
OpenAlex
W4231864045
Cited by
3,213
References
35
Citations by year
2026: 134 · 2025: 191 · 2024: 209 · 2023: 186 · 2022: 197 · 2021: 190 · 2020: 181 · 2019: 172 · 2018: 196 · 2017: 182 · 2016: 167 · 2015: 133 · 2014: 149 · 2013: 140 · 2012: 123
FWCI
10.37
Type
journal article
Language
en
Open access
closed
Locations
European Journal of Soil Science (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Environmental Engineering › Soil Geostatistics and Mapping
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil and Environmental Studies
Keywords
soil nitrogen, soil organic carbon, soil C:N ratio, soil organic matter, greenhouse gas emissions, atmospheric CO2 sequestration, land use change, climate change, soil profile

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