Cited by 6,919Soil Carbon and Nitrogen DynamicsClimate change and permafrostPeatlands and Wetlands Ecology

Temperature sensitivity of soil carbon decomposition and feedbacks to climate change

Open access
Davidson, Eric A., Janssens, Ivan A.·2006·Nature

Abstract

Significantly more carbon is stored in the world's soils--including peatlands, wetlands and permafrost--than is present in the atmosphere. Disagreement exists, however, regarding the effects of climate change on global soil carbon stocks. If carbon stored belowground is transferred to the atmosphere by a warming-induced acceleration of its decomposition, a positive feedback to climate change would occur. Conversely, if increases of plant-derived carbon inputs to soils exceed increases in decomposition, the feedback would be negative. Despite much research, a consensus has not yet emerged on the temperature sensitivity of soil carbon decomposition. Unravelling the feedback effect is particularly difficult, because the diverse soil organic compounds exhibit a wide range of kinetic properties, which determine the intrinsic temperature sensitivity of their decomposition. Moreover, several environmental constraints obscure the intrinsic temperature sensitivity of substrate decomposition, causing lower observed 'apparent' temperature sensitivity, and these constraints may, themselves, be sensitive to climate.

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Crossref · 10.1038/nature04514

Cites

107 of 107 references verified0 citation errors · 0 not checkable

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  • Temperature and precipitation regimes are determining factors for the SOC balance.

    “Temperature and precipitation regimes are determining factors for the SOC balance, as they are strongly involved in processes responsible for both SOC inputs (i.e., litterfall production) and outputs (i.e., SOC decomposition, Davidson & Janssens, 2006).”

    From Changes in soil organic carbon under perennial crops (2020) · cites this paper as Davidson & Janssens, 2006

    In “Factors controlling decomposition of organic matter” (page not provided), the paper says soil carbon stocks reflect a balance of leaf and root inputs against outputs, and that decomposition is temperature-dependent and subject to water limitation. “Evidence for a decomposition feedback to warming” (page not provided) also discusses temperature-related changes in productivity and carbon inputs. The passages do not establish that both temperature and precipitation regimes strongly govern litterfall production, as the citing sentence implies. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Lignin decomposition rates are highly variable depending on soils and land use and are not necessarily linked to the stability of the derived soil carbon pool.

    “However, lignin decomposition rates are highly variable depending on soils and land use and are not necessarily linked to the stability of the derived soil C pool [146, 149].”
  • Physical protection defines the kinetic properties and temperature sensitivity of soil organic carbon pools.

    “The latter defines their kinetic properties and temperature sensitivity [145, 146].”

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Cites

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1 of the 108 references couldn’t be matched to a known paper.

Research works printed but not linked: 3

  1. Gruber, N. et al. in Toward CO 2 Stabilization: Issues, Strategies, and Consequences (eds Field, C. B. & Raupach, M. R.) 45--76 (Island Press, Washington, DC, 2004).
  2. Janssens, I. A. et al. in Canopy Fluxes of Energy, Water and Carbon Dioxide of European Forests (ed. Valentini, R.) 235--256 (Springer, Berlin, 2003).
  3. Woodwell, G. M. in Changing Climate 216--241 (NAS Press, Washington DC, 1983).

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Authors
Davidson, E. A., & Janssens, I. A.
Affiliations
  • Woodwell Climate Research Center (US)
  • University of Antwerp (BE)
Corresponding author
Davidson, Eric A.
Venue
Nature
Published
2006-03
Volume
440
Issue
7081
Pages
165-173
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2083857556
Cited by
6,919
References
108
Citations by year
2026: 519 · 2025: 553 · 2024: 463 · 2023: 402 · 2022: 459 · 2021: 472 · 2020: 421 · 2019: 395 · 2018: 372 · 2017: 379 · 2016: 356 · 2015: 337 · 2014: 307 · 2013: 313 · 2012: 287
FWCI
27.72
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Science Foundation
  • U.S. Department of Energy
  • European Commission
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Climate change and permafrost
  • Physical Sciences › Environmental Science › Ecology › Peatlands and Wetlands Ecology
Keywords
soil carbon decomposition, temperature sensitivity, climate feedbacks, soil organic carbon, peatlands, permafrost, soil carbon stocks, decomposition kinetics, soil carbon dynamics
MeSH terms
Carbon, Carbon Dioxide, Plants, Soil, Temperature, Greenhouse Effect

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