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  • Graae, Bente J (author)

On the use of weather data in ecological studies along altitudinal and latitudinal gradients

  • Article/chapterEnglish2012

Publisher, publication year, extent ...

  • 2011-10-24
  • Wiley,2012
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-53213
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-53213URI
  • https://doi.org/10.1111/j.1600-0706.2011.19694.xDOI
  • https://res.slu.se/id/publ/56363URI

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 has created a need for studies along climatic gradients to assess the effects of temperature on ecological processes. Altitudinal and latitudinal gradients are often used as such, usually in combination with air temperature data from the closest weather station recorded at 1.52 m above the ground. However, many ecological processes occur in, at, or right above the soil surface. To evaluate how representative the commonly used weather station data are for the microclimate relevant for soil surface biota, we compared weather station temperatures for an altitudinal (500900 m a.s.l.) and a latitudinal gradient (4968 degrees N) with data obtained by temperature sensors placed right below the soil surface at five sites along these gradients. The mean annual temperatures obtained from weather stations and adjusted using a lapse rate of -5.5 degrees C km-1 were between 3.8 degrees C lower and 1.6 degrees C higher than those recorded by the temperature sensors at the soil surface, depending on the position along the gradients. The monthly mean temperatures were up to 10 degrees C warmer or 5 degrees C colder at the soil surface. The within-site variation in accumulated temperature was as high as would be expected from a 300 m change in altitude or from a 4 degrees change in latitude or a climate change scenario corresponding to warming of 1.63.8 degrees C. Thus, these differences introduced by the decoupling are significant from a climate change perspective, and the results demonstrate the need for incorporating microclimatic variation when conducting studies along altitudinal or latitudinal gradients. We emphasize the need for using relevant temperature data in climate impact studies and further call for more studies describing the soil surface microclimate, which is crucial for much of the biota.

Subject headings and genre

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

  • De Frenne, Pieter (author)
  • Kolb, Annette (author)
  • Brunet, JörgSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för sydsvensk skogsvetenskap,Southern Swedish Forest Research Centre(Swepub:slu)46769 (author)
  • Chabrerie, Olivier (author)
  • Verheyen, Kris (author)
  • Pepin, Nick (author)
  • Heinken, Thilo (author)
  • Zobel, Martin (author)
  • Shevtsova, AnnaUmeå University(Swepub:slu)51725 (author)
  • Nijs, Ivan (author)
  • Milbau, AnnUmeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum(Swepub:umu)anmi0008 (author)
  • Sveriges lantbruksuniversitetInstitutionen för sydsvensk skogsvetenskap (creator_code:org_t)
  • Sveriges lantbruksuniversitet

Related titles

  • In:Oikos: Wiley121:1, s. 3-190030-12991600-0706

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