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Soil carbon storage capacity of drylands under altered fire regimes

Pellegrini, Adam F.A. (author)
University of Cambridge,University of Michigan
Reich, Peter B. (author)
University of Minnesota,Hawkesbury Institute for the Environment,University of Michigan
Hobbie, Sarah E. (author)
University of Minnesota
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Coetsee, Corli (author)
Nelson Mandela Metropolitan University,Kruger National Park
Wigley, Benjamin (author)
Kruger National Park
February, Edmund (author)
University of Cape Town
Georgiou, Katerina (author)
Lawrence Livermore National Laboratory
Terrer, Cesar (author)
Massachusetts Institute of Technology
Brookshire, E. N.J. (author)
Montana State University
Ahlström, Anders (author)
Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,MERGE: ModElling the Regional and Global Earth system,Institutionen för naturgeografi och ekosystemvetenskap,LU profilområde: Naturbaserade framtidslösningar,Lunds universitets profilområden,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,LU Profile Area: Nature-based future solutions,Lund University Profile areas
Nieradzik, Lars (author)
Lund University,Lunds universitet,MERGE: ModElling the Regional and Global Earth system,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,LTH profilområde: Aerosoler,LTH profilområden,Lunds Tekniska Högskola,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,LTH Profile Area: Aerosols,LTH Profile areas,Faculty of Engineering, LTH
Sitch, Stephen (author)
University of Exeter
Melton, Joe R. (author)
Environment Canada
Forrest, Matthew (author)
Senckenberg Biodiversity and Climate Research Centre
Li, Fang (author)
Institute of Atmospheric Physics, Chinese Academy of Sciences
Hantson, Stijn (author)
Rosario University
Burton, Chantelle (author)
Met Office
Yue, Chao (author)
Northwest A&F University
Ciais, Philippe (author)
University of Paris-Saclay
Jackson, Robert B. (author)
Stanford University
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 (creator_code:org_t)
2023
2023
English 6 s.
In: Nature Climate Change. - 1758-678X. ; 13:10, s. 1089-1094
Related links:
http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The determinants of fire-driven changes in soil organic carbon (SOC) across broad environmental gradients remains unclear, especially in global drylands. Here we combined datasets and field sampling of fire-manipulation experiments to evaluate where and why fire changes SOC and compared our statistical model to simulations from ecosystem models. Drier ecosystems experienced larger relative changes in SOC than humid ecosystems—in some cases exceeding losses from plant biomass pools—primarily explained by high fire-driven declines in tree biomass inputs in dry ecosystems. Many ecosystem models underestimated the SOC changes in drier ecosystems. Upscaling our statistical model predicted that soils in savannah–grassland regions may have gained 0.64 PgC due to net-declines in burned area over the past approximately two decades. Consequently, ongoing declines in fire frequencies have probably created an extensive carbon sink in the soils of global drylands that may have been underestimated by ecosystem models.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)

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