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Long-term vegetation changes of treeless heath communities in northern Fennoscandia: Links to climate change trends and reindeer grazing

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F18%3A43898780" target="_blank" >RIV/60076658:12310/18:43898780 - isvavai.cz</a>

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.12630" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.12630</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/jvs.12630" target="_blank" >10.1111/jvs.12630</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Long-term vegetation changes of treeless heath communities in northern Fennoscandia: Links to climate change trends and reindeer grazing

  • Original language description

    QuestionIn recent decades, high-latitude climate has shown regionally variable trends towards warmer and moister conditions. These changes have been predicted to cause afforestation or shrubification of open tundra, increases of warmth-demanding southern species and plant groups favoured by increased moisture, and decline of species and habitats that are dependent on snow cover. In this study, we explore temporal changes in northern tundra upland plant communities along regional gradients and in local habitats. We ask how vegetation changes are linked with long-term trends in regional climate and grazing pressure. LocationNorthern Europe. MethodsIn 2013-2014, we resurveyed a total of 108 vegetation plots on wind-exposed and snow-protected tundra habitats in three subareas along a bioclimatic gradient from the northern boreal to the arctic zone. Vegetation plots were originally sampled in 1964-1967. We related observed vegetation changes to changes in temperature, precipitation and grazing pressure, which all showed regionally variable increases over the study period. ResultsWe found a significant increase of the evergreen dwarf shrub Empetrum nigrum subsp. hermaphroditum in snow-protected communities and a prominent decrease of lichens throughout the study area. No evidence for extensive tree or larger shrub (Betula spp., Salix spp. or Juniperus communis) encroachment despite climatic warming trends was found. Among studied communities, most pronounced changes in vegetation were observed in snow-protected boreal heaths on small isolated uplands, where community composition showed low resemblance to the original composition described decades ago. Changes in plant communities correlated with changes in summer and winter temperatures, summer precipitation and reindeer grazing pressure, yet correlations varied depending on region and habitat. ConclusionsNorthern tundra uplands vary in their resistance to on-going climate change and reindeer grazing. Isolated treeless heaths of boreal forest-tundra ecotone appear least resistant to climate change and have already shifted towards new community states.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10618 - Ecology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Vegetation Science

  • ISSN

    1100-9233

  • e-ISSN

  • Volume of the periodical

    29

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    469-479

  • UT code for WoS article

    000438651900012

  • EID of the result in the Scopus database

    2-s2.0-85045833584