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dc.contributor.authorGrytnes, John-Arvideng
dc.contributor.authorKapfer, Juttaeng
dc.contributor.authorJurasinski, Geraldeng
dc.contributor.authorBirks, Hilary H.eng
dc.contributor.authorHenriksen, Hanneeng
dc.contributor.authorKlanderud, Karieng
dc.contributor.authorOdland, Arvideng
dc.contributor.authorOhlson, Mikaeleng
dc.contributor.authorWipf, Sonjaeng
dc.contributor.authorBirks, Harry John Betteleyeng
dc.description.abstractAim In recent decades species ranges have shifted upwards in elevation and northwards in latitude. These shifts are commonly interpreted as a response to recent climate warming. However, several alternative hypotheses have been proposed to explain the elevational shifts, including increased deposition of atmospheric nitrogen, changes in precipitation and dispersal limitation. We evaluate these hypotheses and attempt to identify the dominant drivers for the observed shifts in the upper range limits of alpine plant species. Location European mountains from Svalbard to the southern Alps. Methods We assembled data on observed shifts in the upper range limit of alpine plants over 40 to 100 years on 114 mountains. We related the observed shifts to recent changes in temperature and precipitation and to recent deposition of atmospheric nitrogen. Changes in traits and habitat preferences of species in the summit assemblages were used to evaluate the potential role of different drivers. Results Seventy per cent of the species that showed a detectable change in their upper range limits between surveys shifted their range limits upwards. The same species tend to move up on different mountains. There are, however, large differences between mountains in the proportion of species shifting upwards. This proportion is not found to be statistically related to local changes in temperature. Correspondingly, warmth-demanding species did not move upward more frequently than expected by chance. Snow-bed species have become more common on summits. Main conclusions Our data do not support the idea that climate warming is the dominant factor causing the observed range shifts of alpine plant species on European mountains: first, the amount of change in species assemblages on the summits studied is not related statistically to the amount of climate warming; second, those species that have moved upwards are not particularly warmth demanding.en_US
dc.rightsAttribution-NonCommercial CC BY-NCeng
dc.subjectAlpine vascular plantseng
dc.subjectClimate changeeng
dc.subjectdispersal traitseng
dc.subjectGlobal warmingeng
dc.subjectmountain summitseng
dc.subjectnitrogen depositioneng
dc.subjectsnow bedseng
dc.titleIdentifying the driving factors behind observed elevational range shifts on European mountainsen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2014 The Authorsen_US
dc.source.journalGlobal Ecology and Biogeography

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