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J.-C. Svenning

Alien plant invasions in European woodlands

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  • Viktoria Wagner, LEVYNA, Masaryk University, Brno 60200
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  • Milan Chytry, LEVYNA, Masaryk University, Brno 60200
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  • Borja Jimenez-Alfaro, LEVYNA, Masaryk University, Brno 60200
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  • Jan Pergl, Czech Academy of Sciences
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  • Stephan Hennekens, Wageningen University Research
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  • Idoia Biurrun, Univ Basque Country, University of Basque Country
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  • Ilona Knollova, LEVYNA, Masaryk University, Brno 60200
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  • Christian Berg, University of Graz
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  • Kiril Vassilev, Bulgarian Academy of Sciences
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  • John S. Rodwell
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  • Zeljko Skvorc, Zagreb University
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  • Ute Jandt, German Ctr Integrat Biodivers Res iDiv
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  • Joerg Ewald, Weihenstephan Triesdorf Univ Appl Sci
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  • Florian Jansen, Rostock University
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  • Ioannis Tsiripidis, Aristotle University, Thessaloniki
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  • Zoltan Botta-Dukat, Hungarian Academy of Sciences
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  • Laura Casella, European Commission, Joint Research Centre
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  • Fabio Attorre, Sapienza University of Rome
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  • Valerijus Rasomavicius, Nature Research Center - Lithuania
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  • Renata Custerevska, Saints Cyril & Methodius University of Skopje
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  • Joop H. J. Schaminee, Wageningen University Research
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  • Jorg Brunet, Swedish University of Agricultural Sciences
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  • Jonathan Lenoir, UR Ecol & Dynam Syst Anthropises EDYSAN, FRE3498,CNRS UPJV, Jules Verne Univ Picardie, Centre National de la Recherche Scientifique (CNRS), University of Picardie-Jules-Verne, Plant Biodivers Lab, Ecol & Dynam Syst Anthropises EDYSAN, FRE 3498,CNRS,UPJV, CNRS Centre National de la Recherche Scientifique, Jules Verne University of Picardie
  • ,
  • Jens-Christian Svenning
  • Zygmunt Kacki, Univ Wroclaw, University of Wroclaw, Astron Inst
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  • Maria Petrasova-Sibikova, Slovak Academy of Sciences
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  • Urban Silc, National Institute of Biology - Slovenia
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  • Itziar Garcia-Mijangos, Univ Basque Country, University of Basque Country
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  • Juan Antonio Campos, Univ Basque Country, University of Basque Country
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  • Federico Fernandez-Gonzalez, Univ Castilla La Mancha, Universidad de Castilla-La Mancha, Inst Environm Sci
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  • Thomas Wohlgemuth, Swiss Federal Research Institute for Forest, Snow and Landscape Research
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  • Viktor Onyshchenko, NAS of Ukraine, National Dendrological Park ‘Sofievka’
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  • Petr Pysek, Univ Stellenbosch, Stellenbosch University, Ctr Invas Biol, Dept Conservat Ecol & Entomol

Aim: Woodlands make up a third of European territory and carry out important ecosystem functions, yet a comprehensive overview of their invasion by alien plants has never been undertaken across this continent. Location: Europe.

Methods: We extracted data from 251,740 vegetation plots stored in the recently compiled European Vegetation Archive. After filtering (resulting in 83,396 plots; 39 regions; 1970-2015 time period), we analysed the species pool and frequency of alien vascular plants with respect to geographic origin and life-forms, and the levels of invasion across the European Nature Information System (EUNIS) woodland habitats.

Results: We found a total of 386 alien plant species (comprising 7% of all recorded vascular plants). Aliens originating from outside of and from within Europe were almost equally represented in the species pool (192 vs. 181 species) but relative frequency was skewed towards the former group (77% vs. 22%) due, to some extent, to the frequent occurrence of Impatiens parviflora (21% frequency among alien plants). Phanerophytes were the most species-rich life-form (148 species) and had the highest representation in terms of relative frequency (39%) among aliens in the dataset. Apart from Europe (181 species), North America was the most important source of alien plants (109 species). At the local scale, temperate and boreal softwood riparian woodland (5%) and mire and mountain coniferous woodland (

Main conclusions: Our results indicate that European woodlands are prone to alien plant invasions especially when exposed to disturbance, fragmentation, alien propagule pressure and high soil nutrient levels. Given the persistence of these factors in the landscape, competitive alien plant species with a broad niche, including alien trees and shrubs, are likely to persist and spread further into European woodlands.

OriginalsprogEngelsk
TidsskriftDiversity and Distributions
Vol/bind23
Nummer9
Sider (fra-til)969-981
Antal sider13
ISSN1366-9516
DOI
StatusUdgivet - sep. 2017

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