Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 19
Articles | Volume 23, issue 19
https://doi.org/10.5194/bg-23-6835-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-6835-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 19
Reviews and syntheses
 | 
05 Oct 2026
Reviews and syntheses |  | 05 Oct 2026

Reviews and syntheses: Snow algae on the move – biased motility and snowpack interaction from a biophysics perspective

Caitlin S. de Vries, Melody J. Sandells, Matthew P. Davey, Gary S. Caldwell, and Ottavio A. Croze

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Short summary
Snow algae are photosynthetic microorganisms that form colourful blooms on snow surfaces in polar and alpine regions worldwide. The mechanisms governing snow algae motility and migration within snow are currently poorly understood. From a biophysical perspective, we review the current literature available that describes snow algae migration on both macroscopic and microscopic scales, as well as their migratory behaviour in response to light, nutrients, gravity, fluid flow and heat.
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