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  • Sedlacek, JanoschUniv Konstanz, Dept Biol, Ecol, Univ Str 10, D-78457 Constance, Germany (author)

Evolutionary potential in the Alpine: trait heritabilities and performance variation of the dwarf willow Salix herbacea from different elevations and microhabitats

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • 2016-05-12
  • Wiley,2016
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-262237
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262237URI
  • https://doi.org/10.1002/ece3.2171DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • Alpine ecosystems are seriously threatened by climate change. One of the key mechanisms by which plants can adapt to changing environmental conditions is through evolutionary change. However, we still know little about the evolutionary potential in wild populations of long-lived alpine plants. Here, we investigated heritabilities of phenological traits, leaf size, and performance traits in natural populations of the long-lived alpine dwarf shrub Salix herbacea using relatedness estimates inferred from SSR (Simple Sequence Repeat) markers. Salix herbacea occurs in early-and late-snowmelt microhabitats (ridges and snowbeds), and we assessed how performance consequences of phenological traits and leaf size differ between these microhabitats in order to infer potential for evolutionary responses. Salix herbacea showed low, but significant, heritabilities of leaf size, clonal and sexual reproduction, and moderate heritabilities of phenological traits. In both microhabitats, we found that larger leaves, longer intervals between snowmelt and leaf expansion, and longer GDD (growing-degree days) until leaf expansion resulted in a stronger increase in the number of stems (clonal reproduction). In snowbeds, clonal reproduction increased with a shorter GDD until flowering, while the opposite was found on ridges. Furthermore, the proportion of flowering stems increased with GDD until flowering in both microhabitats. Our results suggest that the presence of significant heritable variation in morphology and phenology might help S. herbacea to adapt to changing environmental conditions. However, it remains to be seen if the rate of such an evolutionary response can keep pace with the rapid rate of climate change.

Subject headings and genre

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

  • Cortés, AndrésUppsala universitet,Växtekologi och evolution,Swedish Agr Univ, Dept Plant Biol, Undervisningsplan 7E, S-75007 Uppsala, Sweden(Swepub:uu)andco526 (author)
  • Wheeler, JuliaWSL Inst Snow & Avalanche Res SLF, Fluelastr 11, CH-7260 Davos, Switzerland;Univ Basel, Inst Bot, Schonbeinstr 6, CH-4056 Basel, Switzerland;Univ Massachusetts, Dept Environm Conservat, Amherst, MA 01003 USA (author)
  • Bossdorf, OliverUniv Tubingen, Plant Evolutionary Ecol, Inst Evolut & Ecol, Morgenstelle 5, D-72076 Tubingen, Germany (author)
  • Hoch, GuenterUniv Basel, Inst Bot, Schonbeinstr 6, CH-4056 Basel, Switzerland (author)
  • Klapste, JaroslavUniv British Columbia, Dept Forest & Conservat Sci, Fac Forestry, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada;Czech Univ Life Sci Prague, Dept Genet & Physiol Forest Trees, Fac Forestry & Wood Sci, Kamycka 129, Prague 16521 6, Czech Republic;Univ Massachusetts, Dept Environm Conservat, Amherst, MA 01003 USA (author)
  • Lexer, ChristianUniv Vienna, Dept Bot & Biodivers Res, Rennweg 14, A-1030 Vienna, Austria (author)
  • Rixen, ChristianWSL Inst Snow & Avalanche Res SLF, Fluelastr 11, CH-7260 Davos, Switzerland (author)
  • Wipf, SonjaWSL Inst Snow & Avalanche Res SLF, Fluelastr 11, CH-7260 Davos, Switzerland (author)
  • Karrenberg, SophieUppsala universitet,Växtekologi och evolution(Swepub:uu)sopka636 (author)
  • van Kleunen, MarkUniv Konstanz, Dept Biol, Ecol, Univ Str 10, D-78457 Constance, Germany (author)
  • Univ Konstanz, Dept Biol, Ecol, Univ Str 10, D-78457 Constance, GermanyVäxtekologi och evolution (creator_code:org_t)

Related titles

  • In:Ecology and Evolution: Wiley6:12, s. 3940-39522045-7758

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