Articles | Volume 19, issue 4
https://doi.org/10.5194/bg-19-1303-2022
https://doi.org/10.5194/bg-19-1303-2022
Research article
 | 
03 Mar 2022
Research article |  | 03 Mar 2022

Impact of dust addition on the microbial food web under present and future conditions of pH and temperature

Julie Dinasquet, Estelle Bigeard, Frédéric Gazeau, Farooq Azam, Cécile Guieu, Emilio Marañón, Céline Ridame, France Van Wambeke, Ingrid Obernosterer, and Anne-Claire Baudoux

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Short summary
Saharan dust deposition of nutrients and trace metals is crucial to microbes in the Mediterranean Sea. Here, we tested the response of microbial and viral communities to simulated dust deposition under present and future conditions of temperature and pH. Overall, the effect of the deposition was dependent on the initial microbial assemblage, and future conditions will intensify microbial responses. We observed effects on trophic interactions, cascading all the way down to viral processes.
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