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  • Vuorinen, Katariina E.M. (author)

Growth rings show limited evidence for ungulates' potential to suppress shrubs across the Arctic

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-02-04
  • IOP Publishing,2022

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/314199
  • https://gup.ub.gu.se/publication/314199URI
  • https://doi.org/10.1088/1748-9326/ac5207DOI
  • https://res.slu.se/id/publ/116357URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-202682URI

Supplementary language notes

  • Language:English

Part of subdatabase

Classification

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

Notes

  • Global warming has pronounced effects on tundra vegetation, and rising mean temperatures increase plant growth potential across the Arctic biome. Herbivores may counteract the warming impacts by reducing plant growth, but the strength of this effect may depend on prevailing regional climatic conditions. To study how ungulates interact with temperature to influence growth of tundra shrubs across the Arctic tundra biome, we assembled dendroecological data from 20 sites, comprising 1153 individual shrubs and 223 63 annual growth rings. Evidence for ungulates suppressing shrub radial growth was only observed at intermediate summer temperatures (6.5 °C-9 °C), and even at these temperatures the effect was not strong. Multiple factors, including forage preferences and landscape use by the ungulates, and favourable climatic conditions enabling effective compensatory growth of shrubs, may weaken the effects of ungulates on shrubs, possibly explaining the weakness of observed ungulate effects. Earlier local studies have shown that ungulates may counteract the impacts of warming on tundra shrub growth, but we demonstrate that ungulates' potential to suppress shrub radial growth is not always evident, and may be limited to certain climatic conditions.

Subject headings and genre

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

  • Austrheim, Gunnar (author)
  • Tremblay, Jean Pierre (author)
  • Myers-Smith, Isla H. (author)
  • Hortman, Hans I. (author)
  • Frank, Peter (author)
  • Barrio, Isabel C. (author)
  • Dalerum, FredrikStockholms universitet,Zoologiska institutionen,Spanish National Research Council, Spain; University of Pretoria, South Africa(Swepub:su)dalfre (author)
  • Björkman, Mats P.,1978Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences(Swepub:gu)xbjmat (author)
  • Björk, Robert G.,1974Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences(Swepub:gu)xbjoro (author)
  • Ehrich, Dorothee (author)
  • Sokolov, Aleksandr (author)
  • Sokolova, Natalya (author)
  • Ropars, Pascale (author)
  • Boudreau, Stéphane (author)
  • Normand, Signe (author)
  • Prendin, Angela L. (author)
  • Schmidt, Niels Martin (author)
  • Pacheco-Solana, Arturo (author)
  • Post, Eric (author)
  • John, Christian (author)
  • Kerby, Jeff (author)
  • Sullivan, Patrick F. (author)
  • Moullec, Mathilde Le (author)
  • Hansen, Brage B. (author)
  • Van Der Wal, ReneSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för ekologi,Department of Ecology (author)
  • Pedersen, Åshild O. (author)
  • Sandal, Lisa (author)
  • Gough, Laura (author)
  • Young, Amanda (author)
  • Li, Bingxi (author)
  • Magnússon, Rúna I. (author)
  • Sass-Klaassen, Ute (author)
  • Buchwal, Agata (author)
  • Welker, Jeffrey (author)
  • Grogan, Paul (author)
  • Andruko, Rhett (author)
  • Morrissette-Boileau, Clara (author)
  • Volkovitskiy, Alexander (author)
  • Terekhina, Alexandra (author)
  • Speed, James D.M. (author)
  • Pedersen, Åshild Ø. (author)
  • Stockholms universitetZoologiska institutionen (creator_code:org_t)
  • Sveriges lantbruksuniversitet

Related titles

  • In:Environmental Research Letters: IOP Publishing17:31748-93181748-9326

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