Cristin-resultat-ID: 1291443
Sist endret: 2. juni 2017 13:45
NVI-rapporteringsår: 2015
Resultat
Vitenskapelig artikkel
2015

Disjunct populations of European vascular plant species keep the same climatic niches

Bidragsytere:
  • Safaa Wasof
  • Jonathan Lenoir
  • Per Arild Aarrestad
  • Inger Greve Alsos
  • W. Scott Armbruster
  • Gunnar Austrheim
  • mfl.

Tidsskrift

Global Ecology and Biogeography
ISSN 1466-822X
e-ISSN 1466-8238
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2015
Trykket: 2015
Volum: 24
Hefte: 12
Sider: 1401 - 1412

Importkilder

Scopus-ID: 2-s2.0-84946487909

Beskrivelse Beskrivelse

Tittel

Disjunct populations of European vascular plant species keep the same climatic niches

Sammendrag

Aim Previous research on how climatic niches vary across species ranges has focused on a limited number of species, mostly inv asive, and has not, to date, been very conclusive. Here we assess the degree of niche conservatism between distant populations of native alpine plant species that have been separated for thousands of years. Location European Alps and Fennoscandia. Methods Of the studied pool of 888 terrestr ial vascular plant species occurring in both the Alps and Fennoscandia, we used two complementary approaches to test and quantify climatic-niche shifts for 31 species having strictly disjunct populations and 358 species having either a contiguous or a patchy distribution with distant populations. First, we used species distr i- bution modelling to test for a region effect on each species’ climatic niche. Second, we quantified niche overlap and shifts in niche width (i.e. ecological amplitude) and position (i.e. ecological optimum) within a bi-dimensional climatic space. Results Only one species (3%) of the 31 species with str ictly disjunct populations and 58 species (16%) of the 358 species with distant popula- tions showed a region effect on their climatic niche. Niche overlap was higher for species with strictly disjunct populations than for species with distant populations and highest for arctic–alpine species. Climatic niches were, on average, wider and located towards warmer and wetter conditions in the Alps. Main conclusion Climatic niches seem to be generally conserved between populations that are separated between the Alps and Fennoscandia and have probably been so for 10,000–15,000 years. Therefore, the basic assumption of species distribution models that a species’ climatic niche is constant in space and time – at least on time scales 10 4 years or less – seems to be largely valid for arctic–alpine plants.

Bidragsytere

Safa Wasof

Bidragsyterens navn vises på dette resultatet som Safaa Wasof
  • Tilknyttet:
    Forfatter
    ved Université de Picardie Jules Verne

Jonathan Lenoir

  • Tilknyttet:
    Forfatter
    ved Université de Picardie Jules Verne

Per Arild Aarrestad

  • Tilknyttet:
    Forfatter
    ved NINA Bergen ved Norsk institutt for naturforskning

Inger Greve Alsos

  • Tilknyttet:
    Forfatter
    ved Seksjon for naturvitenskap ved UiT Norges arktiske universitet

W. Scott Armbruster

  • Tilknyttet:
    Forfatter
    ved University of Portsmouth
  • Tilknyttet:
    Forfatter
    ved University of Alaska
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