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Environmental conditions and community evenness determine the outcome of biological invasion

Author

Listed:
  • Karen De Roy

    (Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Ghent University)

  • Massimo Marzorati

    (Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Ghent University)

  • Andrea Negroni

    (Environmental and Materials Engineering (DICAM), University of Bologna)

  • Olivier Thas

    (Statistics and Bioinformatics, Ghent University
    Centre for Statistical and Survey Methodology, School of Mathematics and Applied Statistics, University of Wollongong)

  • Annalisa Balloi

    (University of Milan)

  • Fabio Fava

    (Environmental and Materials Engineering (DICAM), University of Bologna)

  • Willy Verstraete

    (Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Ghent University)

  • Daniele Daffonchio

    (University of Milan)

  • Nico Boon

    (Faculty of Bioscience Engineering, Laboratory of Microbial Ecology and Technology (LabMET), Ghent University)

Abstract

Biological invasion is widely studied, however, conclusions on the outcome of this process mainly originate from observations in systems that leave a large number of experimental variables uncontrolled. Here using a fully controlled system consisting of assembled bacterial communities, we evaluate the degree of invasion and the effect on the community functionality in relation to the initial community evenness under specific environmental stressors. We show that evenness influences the level of invasion and that the introduced species can promote functionality under stress. The evenness–invasibility relationship is negative in the absence and neutral in the presence of stress. Under these conditions, the introduced species is able to maintain the functionality of uneven communities. These results indicate that communities, initially having the same genetic background, in the presence of the same invader, react in a different way with respect to invasibility and functionality depending on specific environmental conditions and community evenness.

Suggested Citation

  • Karen De Roy & Massimo Marzorati & Andrea Negroni & Olivier Thas & Annalisa Balloi & Fabio Fava & Willy Verstraete & Daniele Daffonchio & Nico Boon, 2013. "Environmental conditions and community evenness determine the outcome of biological invasion," Nature Communications, Nature, vol. 4(1), pages 1-5, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2392
    DOI: 10.1038/ncomms2392
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    Cited by:

    1. Móréh, Ágnes & Jordán, Ferenc & Scheuring, István, 2024. "Effects of joint invasion: How co-invaders affect each other's success in model food webs?," Ecological Modelling, Elsevier, vol. 492(C).
    2. Yadid M. Algavi & Elhanan Borenstein, 2024. "Relative dispersion ratios following fecal microbiota transplant elucidate principles governing microbial migration dynamics," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Senka Čaušević & Manupriyam Dubey & Marian Morales & Guillem Salazar & Vladimir Sentchilo & Nicolas Carraro & Hans-Joachim Ruscheweyh & Shinichi Sunagawa & Jan Roelof van der Meer, 2024. "Niche availability and competitive loss by facilitation control proliferation of bacterial strains intended for soil microbiome interventions," Nature Communications, Nature, vol. 15(1), pages 1-19, December.

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