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Alpine Botany

, Volume 126, Issue 2, pp 89–103 | Cite as

Plant invasions into mountains and alpine ecosystems: current status and future challenges

  • Jake M. AlexanderEmail author
  • Jonas J. Lembrechts
  • Lohengrin A. Cavieres
  • Curtis Daehler
  • Sylvia Haider
  • Christoph Kueffer
  • Gang Liu
  • Keith McDougall
  • Ann Milbau
  • Aníbal Pauchard
  • Lisa J. Rew
  • Tim Seipel
Review

Abstract

Recent years have seen a surge of interest in understanding patterns and processes of plant invasions into mountains. Here, we synthesise current knowledge about the spread of non-native plants along elevation gradients, emphasising the current status and impacts that these species have in alpine ecosystems. Globally, invasions along elevation gradients are influenced by propagule availability, environmental constraints on population growth, evolutionary change and biotic interactions. The highest elevations are so far relatively free from non-native plants. Nonetheless, in total nearly 200 non-native plant species have been recorded from alpine environments around the world. However, we identified only three species as specifically cold-adapted, with the overwhelming majority having their centres of distribution under warmer environments, and few have substantial impacts on native communities. A combination of low propagule availability and low invasibility likely explain why alpine environments host few non-native plants relative to lowland ecosystems. However, experiences in some areas demonstrate that alpine ecosystems are not inherently resistant to invasions. Furthermore, they will face increasing pressure from the introduction of pre-adapted species, climate change, and the range expansion of native species, which are already causing concern in some areas. Nonetheless, because they are still relatively free from non-native plants, preventative action could be an effective way to limit future impacts of invasions in alpine environments.

Keywords

Climate change Elevation gradient Mountain Non-native plant Range expansion 

Notes

Acknowledgments

We thank Agustina Barros, Verónica Sandoya, Ileana Herrera and Estefany Goncalves for contributing data. AP and LAC were funded by the Institute of Ecology and Biodiversity with the grants ICM P05-002 and CONICYT PFB-23. LAC also acknowledges funding from FONDECYT 1130592. JJL was funded by the Research Foundation – Flanders (FWO). GL was supported by the Fundamental Research Funds for the Central Universities (GK201503044).

Supplementary material

35_2016_172_MOESM1_ESM.docx (156 kb)
Supplementary material 1 (DOCX 155 kb)

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Copyright information

© Swiss Botanical Society 2016

Authors and Affiliations

  • Jake M. Alexander
    • 1
    • 2
    Email author
  • Jonas J. Lembrechts
    • 3
  • Lohengrin A. Cavieres
    • 4
    • 5
  • Curtis Daehler
    • 6
  • Sylvia Haider
    • 7
    • 8
  • Christoph Kueffer
    • 1
  • Gang Liu
    • 9
  • Keith McDougall
    • 10
  • Ann Milbau
    • 11
  • Aníbal Pauchard
    • 12
    • 5
  • Lisa J. Rew
    • 13
  • Tim Seipel
    • 13
  1. 1.Department of Environmental Systems Science, Institute of Integrative BiologyETH ZurichZurichSwitzerland
  2. 2.Department of Ecology and EvolutionUniversity of LausanneLausanneSwitzerland
  3. 3.Centre of Excellence of Plant and Vegetation EcologyUniversity of AntwerpWilrijkBelgium
  4. 4.Departamento de Botánica, Facultad de Ciencias Naturales y OceanográficasUniversidad de ConcepciónConcepciónChile
  5. 5.Institute of Ecology and Biodiversity (IEB)ConcepciónChile
  6. 6.Department of BotanyUniversity of Hawaii at ManoaHonoluluUSA
  7. 7.Institute of Biology/Geobotany and Botanical GardenMartin Luther University Halle-WittenbergHalle (Saale)Germany
  8. 8.German Centre for Integrative Biodiversity Research (iDiv)LeipzigGermany
  9. 9.College of Life SciencesShaanxi Normal UniversityXi’anChina
  10. 10.Department of Ecology, Environment and EvolutionLa Trobe UniversityWodongaAustralia
  11. 11.Department of Biodiversity and Natural EnvironmentResearch Institute for Nature and Forest INBOBrusselsBelgium
  12. 12.Laboratorio de Invasiones Biológicas, Facultad de Ciencias ForestalesUniversidad de ConcepciónConcepciónChile
  13. 13.Department of Land Resources and Environmental SciencesMontana State UniversityBozemanUSA

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