Beyond the Trail—Understanding Non-Native Plant Invasions in Mountain Ecosystems

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Authors

  • Agustina Barros
  • Eduardo Fuentes Lillo
  • Valeria Aschero
  • Aníbal Pauchard
  • María Alisa Alvarez
  • Ronja Wedegärtner
  • Jan Clavel
  • Jana Müllerová
  • Jan Pergl
  • Shengwei Zong
  • Michaela Vítková
  • Tereza Klinerová
  • Lohengrin A. Cavieres
  • Christian Larson
  • Lisa J. Rew
  • Tim Seipel
  • Chloe Meffre
  • Tomas Arellano
  • Franz Essl
  • Stefan Dullinger
  • Onalenna Gwate
  • V. Ralph Clark
  • Marc Achermann
  • Jonas J. Lembrechts

Aim: We aimed to examine the abiotic, biotic and anthropogenic drivers of non-native plant species distribution along hiking trails in mountainous regions. Location: Nine mountain regions across six continents, including North America (USA), South America (Argentina and Chile), Europe (Sweden, Norway, Czech Republic), Africa (South Africa), Asia (China) and Oceania (Australia). Time Period: Data were collected between 2016 to 2022 during the summer season. Major Taxa Studied: Vascular plants. Methods: We implemented a standardised sampling design (MIREN trail survey) with T-shaped sample sites placed parallel to trails and perpendicular to adjacent vegetation. We examined the main drivers (abiotic, biotic and anthropogenic factors) affecting non-native species' presence, richness and cover. Results: At the global scale, abiotic (climatic) variables explained most of the variation in non-native species richness. In contrast, biotic factors were the most important for the presence and cover of non-native plants. Anthropogenic factors, including distance to the trail, use intensity and livestock grazing, were also important but to a lesser extent than the main factors. While the total number of non-native species differed across regions, the patterns explaining plant invasions were consistent. Main Conclusions: Our regional study identified mountain trails that are particularly vulnerable to plant invasions. Our findings suggest that under future scenarios of climate change, increased anthropogenic pressure and heightened livestock activity, the presence of non-native species beyond trail edges may become more frequent. This highlights the need to restrict off-trail activities in areas of high conservation value.

OriginalspracheEnglisch
Aufsatznummere70060
ZeitschriftGlobal Ecology and Biogeography
Jahrgang34
Ausgabenummer6
Anzahl der Seiten14
ISSN1466-822X
DOIs
PublikationsstatusErschienen - 06.2025

Bibliographische Notiz

Publisher Copyright:
© 2025 The Author(s). Global Ecology and Biogeography published by John Wiley & Sons Ltd.

DOI

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