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  • Mayor, JordanSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management (author)

Elevation alters ecosystem properties across temperate treelines globally

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2017-01-25
  • NATURE PUBLISHING GROUP,2017
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-132806
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-132806URI
  • https://doi.org/10.1038/nature21027DOI
  • https://res.slu.se/id/publ/80039URI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • Temperature is a primary driver of the distribution of biodiversity as well as of ecosystem boundaries(1,2). Declining temperature with increasing elevation in montane systems has long been recognized as a major factor shaping plant community biodiversity, metabolic processes, and ecosystem dynamics(3,4). Elevational gradients, as thermoclines, also enable prediction of long-term ecological responses to climate warming(5-7). One of the most striking manifestations of increasing elevation is the abrupt transitions from forest to treeless alpine tundra(8). However, whether there are globally consistent above-and belowground responses to these transitions remains an open question(4). To disentangle the direct and indirect effects of temperature on ecosystem properties, here we evaluate replicate treeline ecotones in seven temperate regions of the world. We find that declining temperatures with increasing elevation did not affect tree leaf nutrient concentrations, but did reduce ground-layer community-weighted plant nitrogen, leading to the strong stoichiometric convergence of ground-layer plant community nitrogen to phosphorus ratios across all regions. Further, elevation-driven changes in plant nutrients were associated with changes in soil organic matter content and quality (carbon to nitrogen ratios) and microbial properties. Combined, our identification of direct and indirect temperature controls over plant communities and soil properties in seven contrasting regions suggests that future warming may disrupt the functional properties of montane ecosystems, particularly where plant community reorganization outpaces treeline advance.

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

  • Sanders, Nathan J. (author)
  • Classen, Aimee T. (author)
  • Bardgett, Richard D. (author)
  • Clement, Jean-Christophe (author)
  • Fajardo, Alex (author)
  • Lavorel, Sandra (author)
  • Sundqvist, Maja K.Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Center for Macroecology, Evolution and Climate, The Natural History Museum of Denmark, University of Copenhagen DK-2100, Copenhagen Ø, Denmark,Arcum,Umeå University(Swepub:slu)48002 (author)
  • Bahn, Michael (author)
  • Chisholm, Chelsea (author)
  • Cieraad, Ellen (author)
  • Gedalof, Ze'ev (author)
  • Grigulis, Karl (author)
  • Kudo, Gaku (author)
  • Oberski, Daniel L. (author)
  • Wardle, DavidSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management(Swepub:slu)49465 (author)
  • Sveriges lantbruksuniversitetInstitutionen för skogens ekologi och skötsel (creator_code:org_t)
  • Sveriges lantbruksuniversitet

Related titles

  • In:Nature: NATURE PUBLISHING GROUP542:7639, s. 91-950028-08361476-4687

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