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  • Fang, ChaoResearch Center for Global Changes and Ecosystem Carbon Sequestration & Mitigation, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing, China; PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium (author)

Decadal soil warming decreased vascular plant above and belowground production in a subarctic grassland by inducing nitrogen limitation

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • John Wiley & Sons,2023
  • electronicrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:umu-213037
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-213037URI
  • https://doi.org/10.1111/nph.19177DOI

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  • Language:English
  • Summary in:English

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

Notes

  • Below and aboveground vegetation dynamics are crucial in understanding how climate warming may affect terrestrial ecosystem carbon cycling. In contrast to aboveground biomass, the response of belowground biomass to long-term warming has been poorly studied.Here, we characterized the impacts of decadal geothermal warming at two levels (on average +3.3°C and +7.9°C) on below and aboveground plant biomass stocks and production in a subarctic grassland.Soil warming did not change standing root biomass and even decreased fine root production and reduced aboveground biomass and production. Decadal soil warming also did not significantly alter the root–shoot ratio. The linear stepwise regression model suggested that following 10 yr of soil warming, temperature was no longer the direct driver of these responses, but losses of soil N were. Soil N losses, due to warming-induced decreases in organic matter and water retention capacity, were identified as key driver of the decreased above and belowground production. The reduction in fine root production was accompanied by thinner roots with increased specific root area.These results indicate that after a decade of soil warming, plant productivity in the studied subarctic grassland was affected by soil warming mainly by the reduction in soil N.

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  • Verbrigghe, NielFlanders Research Institute for Agriculture, Fisheries and Food, Caritasstraat 39, Melle, Belgium (author)
  • Sigurdsson, Bjarni D.Agricultural University of Iceland, Hvanneyri, Borgarnes, Iceland (author)
  • Ostonen, IvikaInstitute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia (author)
  • Leblans, Niki I.W.Umeå universitet,Institutionen för ekologi, miljö och geovetenskap(Swepub:umu)nile0045 (author)
  • Marañón-Jiménez, SaraCREAF, Cerdanyola del Vallès, Catalonia, Barcelona, Spain; CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain; Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain (author)
  • Fuchslueger, LuciaCentre for Microbiology and Environmental Systems Science, University of Vienna, Djerassiplatz 1, Vienna, Austria (author)
  • Sigurðsson, PállAgricultural University of Iceland, Hvanneyri, Borgarnes, Iceland (author)
  • Meeran, KathiravanDepartment of Ecology, University of Innsbruck, Innsbruck, Austria (author)
  • Portillo-Estrada, MiguelPLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium (author)
  • Verbruggen, ErikPLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium (author)
  • Richter, AndreasCentre for Microbiology and Environmental Systems Science, University of Vienna, Djerassiplatz 1, Vienna, Austria (author)
  • Sardans, JordiCREAF, Cerdanyola del Vallès, Catalonia, Barcelona, Spain; CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain (author)
  • Peñuelas, JosepCREAF, Cerdanyola del Vallès, Catalonia, Barcelona, Spain; CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain (author)
  • Bahn, MichaelDepartment of Ecology, University of Innsbruck, Innsbruck, Austria (author)
  • Vicca, SaraPLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium (author)
  • Janssens, Ivan A.PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium (author)
  • Research Center for Global Changes and Ecosystem Carbon Sequestration & Mitigation, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing, China; PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, BelgiumFlanders Research Institute for Agriculture, Fisheries and Food, Caritasstraat 39, Melle, Belgium (creator_code:org_t)

Related titles

  • In:New Phytologist: John Wiley & Sons240:2, s. 565-5760028-646X1469-8137

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