Articles | Volume 20, issue 1
https://doi.org/10.5194/bg-20-191-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-191-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Jan 2023
Research article |
| 12 Jan 2023
| 12 Jan 2023
Contrasting activation energies of litter-associated respiration and P uptake drive lower cumulative P uptake at higher temperatures
Nathan J. Tomczyk
CORRESPONDING AUTHOR
Odum School of Ecology, University of Georgia, Athens,
Georgia 30602, USA
Amy D. Rosemond
Odum School of Ecology, University of Georgia, Athens,
Georgia 30602, USA
Anna Kaz
Department of Oceanography and Coastal Sciences, Baton
Rouge, Louisiana 70803, USA
Jonathan P. Benstead
Department of Biological Sciences, University of Alabama,
Tuscaloosa, Alabama 35487, USA
Related authors
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Stephen Plont, Delaney M. Peterson, Chelsea R. Smith, Charles T. Bond, Andrielle Larissa Kemajou Tchamba, Michelle A. Wolford, Kaci Zarek, Shannon L. Speir, C. Nathan Jones, Jonathan P. Benstead, Michelle H. Busch, Rebecca L. Hale, Connor L. Brown, Erin C. Seybold, Arial J. Shogren, Kevin A. Kuehn, Yaqi You, Colin R. Jackson, Amy J. Burgin, and Carla L. Atkinson
Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2025-559, https://doi.org/10.5194/essd-2025-559, 2025
Preprint under review for ESSD
Short summary
Short summary
Intermittent streams are widespread and shape biodiversity, ecosystem processes, and downstream water quality, yet remain underrepresented in monitoring efforts. We combined sensor and sampling approaches to track changes in hydrologic, ecological, and water quality patterns across in 3 watersheds. This dataset provides valuable context as to how changes in stream flow and connectivity drive hydrologic, biogeochemical, and ecological patterns in intermittent streams in the southeastern US.
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Short summary
Warming is expected to increase rates of microbial metabolism, but the effect of warming on nutrient demand is unclear. Our experiments demonstrate that microbial nutrient uptake increases less with temperature than metabolism, particularly when environmental nutrient concentrations are low. However, our simulation models suggest that warming may actually lead to declines in ecosystem-scale nutrient uptake as warming accelerates the depletion of carbon substrates required for microbial growth.
Warming is expected to increase rates of microbial metabolism, but the effect of warming on...
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