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Indian J Microbiol. 2010 Oct;50(4):468-73. doi: 10.1007/s12088-011-0146-x. Epub 2011 Jan 28.

Differential aerosolization of algal and cyanobacterial particles in the atmosphere.


Aeroalgal sampling at short height (2.5 m) over natural aquatic and terrestrial algal sources revealed that despite of being similar in size (<1 mm), algal groups vary in their atmospheric abundance. Cyanobacteria were the most abundant, while chlorophytes and bacillariophytes though present, but rare. Statistical analysis (Akaike Information Criterion) showed that climatic factors (temperature, relative humidity, rainfall, wind velocity and sunshine hours) acted in concert, and mainly affected the release and subsequent vertical movement (aerosolization) of algae from natural sources. Variation in aerosolization may affect the atmospheric abundance of algae. These findings have important implication as dispersal limitation may influence the biogeography and biodiversity of microbial algae.


AIC; Abundance; Aerosolization; Biogeography; Climatic factors; Dispersal limitation; Microalgae

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