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

Fang, Chao (författare)
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, Belgium
Verbrigghe, Niel (författare)
Flanders Research Institute for Agriculture, Fisheries and Food, Caritasstraat 39, Melle, Belgium
Sigurdsson, Bjarni D. (författare)
Agricultural University of Iceland, Hvanneyri, Borgarnes, Iceland
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Ostonen, Ivika (författare)
Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
Leblans, Niki I.W. (författare)
Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
Marañón-Jiménez, Sara (författare)
CREAF, 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
Fuchslueger, Lucia (författare)
Centre for Microbiology and Environmental Systems Science, University of Vienna, Djerassiplatz 1, Vienna, Austria
Sigurðsson, Páll (författare)
Agricultural University of Iceland, Hvanneyri, Borgarnes, Iceland
Meeran, Kathiravan (författare)
Department of Ecology, University of Innsbruck, Innsbruck, Austria
Portillo-Estrada, Miguel (författare)
PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium
Verbruggen, Erik (författare)
PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium
Richter, Andreas (författare)
Centre for Microbiology and Environmental Systems Science, University of Vienna, Djerassiplatz 1, Vienna, Austria
Sardans, Jordi (författare)
CREAF, Cerdanyola del Vallès, Catalonia, Barcelona, Spain; CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain
Peñuelas, Josep (författare)
CREAF, Cerdanyola del Vallès, Catalonia, Barcelona, Spain; CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Barcelona, Spain
Bahn, Michael (författare)
Department of Ecology, University of Innsbruck, Innsbruck, Austria
Vicca, Sara (författare)
PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium
Janssens, Ivan A. (författare)
PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium
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 (creator_code:org_t)
John Wiley & Sons, 2023
2023
Engelska.
Ingår i: New Phytologist. - : John Wiley & Sons. - 0028-646X .- 1469-8137. ; 240:2, s. 565-576
Relaterad länk:
https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • 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.

Ämnesord

LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)

Nyckelord

biomass distribution
grasses
nitrogen limitation
temperature increase
vascular plants

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