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Hydrobiologia

, Volume 746, Issue 1, pp 13–22 | Cite as

A microbial perspective on biological invasions in aquatic ecosystems

  • Stefano AmalfitanoEmail author
  • Manuela Coci
  • Gianluca Corno
  • Gian Marco Luna
INVASIVE SPECIES Opinion Paper

Abstract

Microorganisms are essential components of all aquatic ecosystems and are primarily responsible for biogeochemical cycles and key environmental processes. Despite their potential to influence the ecological functioning of biological communities and ecosystems at a global scale, the mechanisms of microbial invasions still lack specific and generalizable theories. Here, we review some of the ecological mechanisms, among those relevant under the global change scenario, which may facilitate the spread of microbial invaders, with a specific focus on aquatic prokaryotes (i.e. Bacteria). We summarize a selection of ecological features of vulnerable microbial communities (functional and structural stability, diversity, invasibility, and invasiveness) and environmental stressors for invasions (temperature increase, pollution, nutrients and resources fluctuations, and food web alterations). Owing to the rapid microbial adaptation to laboratory conditions, straightforward experimental approaches appear as suitable and informative tools to explore the invasion mechanisms in artificially assembled communities. We conclude by delineating future research steps required for a better understanding of the potential consequences of microbial invasions in the aquatic environment.

Keywords

Microbial community Bacteria Pathogens Invasibility Invasiveness 

Notes

Acknowledgments

This work was partially supported by the Short-Term Mobility programme of the CNR (Italy), the National Flag programme RITMARE (SP3-WP2-A2), and the IPA Project “BALMAS—Ballast Water Management System for Adriatic Sea Protection” (project code 1° STR/0005) funded by EU.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Stefano Amalfitano
    • 1
    Email author
  • Manuela Coci
    • 2
    • 3
  • Gianluca Corno
    • 3
  • Gian Marco Luna
    • 4
  1. 1.Water Research Institute (CNR-IRSA)MonterotondoItaly
  2. 2.Microb&coCataniaItaly
  3. 3.MEG - Microbial Ecology GroupInstitute of Ecosystem Study (CNR-ISE)VerbaniaItaly
  4. 4.Institute of Marine Sciences (CNR-ISMAR)VeniceItaly

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