Temporal and interspecific variation in rates of spread for insect species invading Europe during the last 200 years

Alain Roques, Marie Auger-Rozenberg, Tim Blackburn, Jeffrey Garnas, Petr Pyšek, Wolfgang Rabitsch, David Richardson, Michael Wingfield, Andrew Liebhold, Richard DUNCAN

    Research output: Contribution to journalArticle

    49 Citations (Scopus)

    Abstract

    Globalization is triggering an increase in the establishment of alien insects in Europe, with several species having substantial ecological and economic impacts. We investigated long-term changes in rates of species spread following establishment. We used the total area of countries invaded by 1171 insect species for which the date of first record in Europe is known, to estimate their current range radius (calculated as [invaded area]0.5/p). We estimated initial rates of radial spread and compared them among different groups of insects for all years (1800–2014) and for a subset of more recent decades (1950–2014). Accidentally introduced species spread faster than intentionally introduced species. Considering the whole period 1800–2014, spread patterns also differ between feeding guilds, with decreasing spread rates over residence time in herbivores but not in detritivores or parasitic species. These decreases for herbivorous species appeared mainly in those associated with herbaceous plants and crops rather than woody plants. Initial spread rate was significantly greater for species detected after 1990, roughly 3–4 times higher than for species that arrived earlier. We hypothesize that the political changes in Europe following the collapse of the Iron Curtain in 1989, and the further dismantling of customs checkpoints within an enlarged European Union (EU) have facilitated the faster spread of alien insect species. Also, the number of species first recorded in the Eastern Bloc of the politically-divided Europe before 1989 was lower than for the rest of Europe. A detailed analysis of six recent invaders indicated a dominant role of long-distance translocations related to human activities, especially with the plant trade, in determining rates of spread.
    Original languageEnglish
    Pages (from-to)907-920
    Number of pages14
    JournalBiological Invasions
    Volume18
    Issue number4
    DOIs
    Publication statusPublished - 2016

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    interspecific variation
    temporal variation
    insect
    insects
    detritivores
    globalization
    introduced species
    herbaceous plants
    economic impact
    woody plants
    European Union
    herbivores
    rate
    Europe
    iron
    political change
    ecological impact
    woody plant
    guild
    long-term change

    Cite this

    Roques, Alain ; Auger-Rozenberg, Marie ; Blackburn, Tim ; Garnas, Jeffrey ; Pyšek, Petr ; Rabitsch, Wolfgang ; Richardson, David ; Wingfield, Michael ; Liebhold, Andrew ; DUNCAN, Richard. / Temporal and interspecific variation in rates of spread for insect species invading Europe during the last 200 years. In: Biological Invasions. 2016 ; Vol. 18, No. 4. pp. 907-920.
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    Roques, A, Auger-Rozenberg, M, Blackburn, T, Garnas, J, Pyšek, P, Rabitsch, W, Richardson, D, Wingfield, M, Liebhold, A & DUNCAN, R 2016, 'Temporal and interspecific variation in rates of spread for insect species invading Europe during the last 200 years', Biological Invasions, vol. 18, no. 4, pp. 907-920. https://doi.org/10.1007/s10530-016-1080-y

    Temporal and interspecific variation in rates of spread for insect species invading Europe during the last 200 years. / Roques, Alain; Auger-Rozenberg, Marie; Blackburn, Tim; Garnas, Jeffrey; Pyšek, Petr; Rabitsch, Wolfgang; Richardson, David; Wingfield, Michael; Liebhold, Andrew; DUNCAN, Richard.

    In: Biological Invasions, Vol. 18, No. 4, 2016, p. 907-920.

    Research output: Contribution to journalArticle

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    AU - Auger-Rozenberg, Marie

    AU - Blackburn, Tim

    AU - Garnas, Jeffrey

    AU - Pyšek, Petr

    AU - Rabitsch, Wolfgang

    AU - Richardson, David

    AU - Wingfield, Michael

    AU - Liebhold, Andrew

    AU - DUNCAN, Richard

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    AB - Globalization is triggering an increase in the establishment of alien insects in Europe, with several species having substantial ecological and economic impacts. We investigated long-term changes in rates of species spread following establishment. We used the total area of countries invaded by 1171 insect species for which the date of first record in Europe is known, to estimate their current range radius (calculated as [invaded area]0.5/p). We estimated initial rates of radial spread and compared them among different groups of insects for all years (1800–2014) and for a subset of more recent decades (1950–2014). Accidentally introduced species spread faster than intentionally introduced species. Considering the whole period 1800–2014, spread patterns also differ between feeding guilds, with decreasing spread rates over residence time in herbivores but not in detritivores or parasitic species. These decreases for herbivorous species appeared mainly in those associated with herbaceous plants and crops rather than woody plants. Initial spread rate was significantly greater for species detected after 1990, roughly 3–4 times higher than for species that arrived earlier. We hypothesize that the political changes in Europe following the collapse of the Iron Curtain in 1989, and the further dismantling of customs checkpoints within an enlarged European Union (EU) have facilitated the faster spread of alien insect species. Also, the number of species first recorded in the Eastern Bloc of the politically-divided Europe before 1989 was lower than for the rest of Europe. A detailed analysis of six recent invaders indicated a dominant role of long-distance translocations related to human activities, especially with the plant trade, in determining rates of spread.

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