Biogeosciences
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Articles | Volume 21, issue 17
Articles | Volume 21, issue 17
https://doi.org/10.5194/bg-21-3965-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-3965-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 17
Research article
 | 
12 Sep 2024
Research article |  | 12 Sep 2024

Effects of surface water interactions with karst groundwater on microbial biomass, metabolism, and production

Adrian Barry-Sosa, Madison K. Flint, Justin C. Ellena, Jonathan B. Martin, and Brent C. Christner

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Latest update: 26 Jul 2025
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Short summary
This study examined springs in north central Florida focusing on how interactions between the surface and subsurface affected the properties of groundwater microbes. We found that microbes reproduced at rates that greatly exceed those documented for any other aquifer. Although the groundwater discharged to spring runs contains low concentrations of nutrients, our results indicate that microbes have access to sources of energy and produce new cells at rates similar to surface waterbodies.
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