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  • Verbrigghe, NielResearch Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium (author)

Soil carbon loss in warmed subarctic grasslands is rapid and restricted to topsoil

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-07-20
  • Copernicus,2022
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-198488
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-198488URI
  • https://doi.org/10.5194/bg-19-3381-2022DOI
  • https://res.slu.se/id/publ/118442URI
  • https://lup.lub.lu.se/record/3b16e899-6fd1-4252-b05a-6debf4aa1003URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Global warming may lead to carbon transfers from soils to the atmosphere, yet this positive feedback to the climate system remains highly uncertain, especially in subsoils . Using natural geothermal soil warming gradients of up to +6.4 °C in subarctic grasslands , we show that soil organic carbon (SOC) stocks decline strongly and linearly with warming (-2.8tha-1 °C-1). Comparison of SOC stock changes following medium-term (5 and 10 years) and long-term (>50 years) warming revealed that all SOC stock reduction occurred within the first 5 years of warming, after which continued warming no longer reduced SOC stocks. This rapid equilibration of SOC observed in Andosol suggests a critical role for ecosystem adaptations to warming and could imply short-lived soil carbon-climate feedbacks. Our data further revealed that the soil C loss occurred in all aggregate size fractions and that SOC stock reduction was only visible in topsoil (0-10cm). SOC stocks in subsoil (10-30cm), where plant roots were absent, showed apparent conservation after >50 years of warming. The observed depth-dependent warming responses indicate that explicit vertical resolution is a prerequisite for global models to accurately project future SOC stocks for this soil type and should be investigated for soils with other mineralogies.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Leblans, Niki I.W.Umeå University,Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Research Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium(Swepub:umu)nile0045 (author)
  • Sigurdsson, Bjarni D.Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Borgarnes, Hvanneyri, Iceland (author)
  • Vicca, SaraResearch Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium (author)
  • Fang, ChaoResearch Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium; School of Applied Meteorology, Institute of Ecology, Nanjing University of Information Science and Technology, Nanjing, China; State Key Laboratory of Grassland Agro-ecosystems, Institute of Arid Agroecology, School of Life Sciences, Lanzhou University, Lanzhou, China (author)
  • Fuchslueger, LuciaResearch Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium; Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria (author)
  • Soong, Jennifer L.Research Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium; Soil and Crop Sciences Department, Colorado State University, CO, Fort Collins, United States (author)
  • Weedon, James T.Systems Ecology, Department of Ecological Science, Vrije Universiteit Amsterdam, Amsterdam, Netherlands (author)
  • Poeplau, ChristopherThünen Institute of Climate-Smart Agriculture, Braunschweig, Germany (author)
  • Ariza-Carricondo, CristinaResearch Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium (author)
  • Bahn, MichaelDepartment of Ecology, University of Innsbruck, Innsbruck, Austria (author)
  • Guenet, BertrandLaboratoire de Géologie, École Normale Supérieure/CNRS, Psl Research University, Paris, France (author)
  • Gundersen, PerDepartment of Geosciences and Natural Resource Management, University of Copenhagen, Frederiksberg C, Denmark (author)
  • Gunnarsdóttir, Gunnhildur E.Soil Conservation Service of Iceland, Gunnarsholt, Hella, Iceland,Soil Conservation Service of Iceland (SCSI) (author)
  • Kätterer, ThomasSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för ekologi,Department of Ecology(Swepub:slu)48437 (author)
  • Liu, ZhanfengKey Lab. of Vegetation Restoration and Mgmt. of Degraded Ecosyst. Cas Eng. Lab. for Vegetation Ecosystem Restoration on Isl. and Coast. Zones, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China (author)
  • Maljanen, MarjaDepartment of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland,Leiden University (author)
  • Marañón-Jiménez, SaraCreaf, Cerdanyola Del Vallès, Catalonia, Barcelona, Spain; Csic, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain,Centre for Ecological Research and Forestry (CERAF) (author)
  • Meeran, KathiravanDepartment of Ecology, University of Innsbruck, Innsbruck, Austria (author)
  • Oddsdóttir, Edda S.Icelandic Forest Research, Mógilsá, Reykjavík, Iceland (author)
  • Ostonen, IvikaInstitute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia (author)
  • Peñuelas, JosepCreaf, Cerdanyola Del Vallès, Catalonia, Barcelona, Spain; Csic, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain,Centre for Ecological Research and Forestry (CERAF) (author)
  • Richter, AndreasCentre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria; International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria (author)
  • Sardans, JordiCreaf, Cerdanyola Del Vallès, Catalonia, Barcelona, Spain; Csic, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain,Centre for Ecological Research and Forestry (CERAF) (author)
  • Sigurðsson, PállFaculty of Environmental and Forest Sciences, Agricultural University of Iceland, Borgarnes, Hvanneyri, Iceland (author)
  • Torn, Margaret S.Climate and Ecosystem Sciences Division, Berkeley Lab, CA, Berkeley, United States,Lawrence Berkeley National Laboratory (author)
  • Van Bodegom, Peter M.Environmental Biology Department, Institute of Environmental Sciences, Cml, Leiden University, Leiden, Netherlands (author)
  • Verbruggen, ErikResearch Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium (author)
  • Walker, Tom W. N.Department of Environmental Systems Science, Eth Zürich, Zurich, Switzerland (author)
  • Wallander, HåkanLund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC)(Swepub:lu)mbek-hwa (author)
  • Janssens, Ivan A.Research Group Plants and Ecosystems, University of Antwerp, Antwerp, Belgium (author)
  • Research Group Plants and Ecosystems, University of Antwerp, Antwerp, BelgiumInstitutionen för ekologi, miljö och geovetenskap (creator_code:org_t)
  • Sveriges lantbruksuniversitet

Related titles

  • In:Biogeosciences: Copernicus19:14, s. 3381-33931726-41701726-4189

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