Airborne Microalgae: Insights, Opportunities and Challenges

Tesson, S., Skjøth, C. ORCID: https://orcid.org/0000-0001-5992-9568, Šantl-Temkiv, T. and Löndahl, J. (2016) Airborne Microalgae: Insights, Opportunities and Challenges. Applied and Environmental Microbiology, 82 (7). pp. 1978-1991. ISSN Print: 0099-2240 Online: 1098-5336

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Abstract

Airborne dispersal of microalgae has largely been a blind spot in environmental biological studies because of their low concentration in the atmosphere and the technical limitations in investigating microalgae from air samples. Recent studies show that airborne microalgae can survive air transportation and interact with the environment and possibly influence their deposition rates. This minireview presents a summary of these studies and traces the possible route, step-by-step, from established ecosystems to new habitats through air transportation over a variety of geographic scales. Emission, transportation, deposition and adaptation to atmospheric stress are discussed, as well as the consequences of their dispersal on health and environment, and the state-of-the-art techniques to detect
and model airborne microalgae dispersal. More detailed studies on microalgae atmospheric-cycle, including for instance ice nucleation activity and transport simulations, are crucial for improving our understanding of microalgae ecology, identifying their interactions with the environment and preventing unwanted sanitary events or invasions.

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