Articles | Volume 14, issue 23
https://doi.org/10.5194/bg-14-5403-2017
https://doi.org/10.5194/bg-14-5403-2017
Research article
 | 
01 Dec 2017
Research article |  | 01 Dec 2017

Hydration status and diurnal trophic interactions shape microbial community function in desert biocrusts

Minsu Kim and Dani Or

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Latest update: 03 Nov 2024
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Short summary
We report a mechanistic model for linking biophysical and chemical processes in Cyanobacterial crusts comprised of trophically interacting photoautotrophs, aerobic and anaerobic heterotrophs, and nitrifiers. The biocrust model captures salient aspects of microbial activity and community organisation in response to diurnal cycles of light and temperature. The framework offers new mechanistic insights into a host of highly dynamic and spatially resolved processes shaping biogeochemical fluxes.
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