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Environmental conditions and community eveness determine the outcome of biological invasion

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Biotechnology for a sustainable economy (Bio-Economy)
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.
Keywords
SPECIES EVENNESS, DIVERSITY, PRODUCTIVITY, BIODIVERSITY, RESISTANCE, ECOSYSTEM, RICHNESS, ECOLOGY

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Citation

Please use this url to cite or link to this publication:

Chicago
De Roy, Karen, Massimo Marzorati, Andrea Negroni, Olivier Thas, Annalisa Balloi, Fabio Fava, Willy Verstraete, Daniele Daffonchio, and Nico Boon. 2013. “Environmental Conditions and Community Eveness Determine the Outcome of Biological Invasion.” Nature Communications 4.
APA
De Roy, Karen, Marzorati, M., Negroni, A., Thas, O., Balloi, A., Fava, F., Verstraete, W., et al. (2013). Environmental conditions and community eveness determine the outcome of biological invasion. NATURE COMMUNICATIONS, 4.
Vancouver
1.
De Roy K, Marzorati M, Negroni A, Thas O, Balloi A, Fava F, et al. Environmental conditions and community eveness determine the outcome of biological invasion. NATURE COMMUNICATIONS. 2013;4.
MLA
De Roy, Karen, Massimo Marzorati, Andrea Negroni, et al. “Environmental Conditions and Community Eveness Determine the Outcome of Biological Invasion.” NATURE COMMUNICATIONS 4 (2013): n. pag. Print.
@article{3190290,
  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.},
  articleno    = {1383},
  author       = {De Roy, Karen and Marzorati, Massimo and Negroni, Andrea and Thas, Olivier and Balloi, Annalisa and Fava, Fabio and Verstraete, Willy and Daffonchio, Daniele and Boon, Nico},
  issn         = {2041-1723},
  journal      = {NATURE COMMUNICATIONS},
  keyword      = {SPECIES EVENNESS,DIVERSITY,PRODUCTIVITY,BIODIVERSITY,RESISTANCE,ECOSYSTEM,RICHNESS,ECOLOGY},
  language     = {eng},
  pages        = {5},
  title        = {Environmental conditions and community eveness determine the outcome of biological invasion},
  url          = {http://dx.doi.org/10.1038/ncomms2392},
  volume       = {4},
  year         = {2013},
}

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