Articles | Volume 17, issue 24
https://doi.org/10.5194/bg-17-6327-2020
© Author(s) 2020. 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-17-6327-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
15 Dec 2020
Research article |
| 15 Dec 2020
| 15 Dec 2020
The relative importance of photodegradation and biodegradation of terrestrially derived dissolved organic carbon across four lakes of differing trophic status
Christopher M. Dempsey
CORRESPONDING AUTHOR
Biology Department, Gannon University, Erie, PA, USA
Jennifer A. Brentrup
Global Change Limnology Laboratory, Department of
Biology, Miami University, Oxford, OH, USA
currently at: Biology and Environmental Studies, St. Olaf College, Northfield, MN, USA
Sarah Magyan
Biology Department, Gannon University, Erie, PA, USA
Lesley B. Knoll
Itasca Biological Station and Laboratories, College of Biological Sciences, University of Minnesota, Lake Itasca, MN, USA
Hilary M. Swain
Archbold Biological Field Station, Venus, FL, USA
Evelyn E. Gaiser
Department of Biological Sciences and Institute of Environment, Florida International University, Miami, FL, USA
Donald P. Morris
Earth and Environmental Sciences Department, Lehigh University,
Bethlehem, PA, USA
Michael T. Ganger
Biology Department, Gannon University, Erie, PA, USA
Craig E. Williamson
Global Change Limnology Laboratory, Department of
Biology, Miami University, Oxford, OH, USA
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Cited
12 citations as recorded by crossref.
- Root microbiomes of seedless vascular plants correlate with plant relatedness and spatial proximity R. Minton et al. 10.1016/j.rhisph.2022.100492
- Cyclical browning in a subtropical lake inferred from diatom records M. Emery Boeck et al. 10.3389/fevo.2023.1020024
- Integration of Photodegradation Process of Organic Micropollutants to a Vertically One-Dimensional Lake Model G. Chen et al. 10.3390/su15032082
- Modelling terrigenous DOC across the north west European Shelf: Fate of riverine input and impact on air-sea CO2 fluxes H. Powley et al. 10.1016/j.scitotenv.2023.168938
- Photochemical processes transform dissolved organic matter differently depending on its initial composition S. Li et al. 10.1016/j.scitotenv.2024.171465
- Contrasting dissolved organic matter biodegradation and bacterial cytometric features in oligotrophic and ultraoligotrophic Patagonian lakes M. Gerea et al. 10.1093/plankt/fbad033
- Optical and molecular indices of dissolved organic matter for estimating biodegradability and resulting carbon dioxide production in inland waters: A review M. Begum et al. 10.1016/j.watres.2022.119362
- The role of time and mixing in the degradation of terrestrial derived dissolved organic carbon in lakes of varying trophic status S. Magyan & C. Dempsey 10.1016/j.jpap.2021.100065
- A review of long-term change in surface water natural organic matter concentration in the northern hemisphere and the implications for drinking water treatment L. Anderson et al. 10.1016/j.scitotenv.2022.159699
- Quantification of sedimentary organic carbon sources in a land–river–lake continuum combined with multi-fingerprint and un-mixing models S. Wang et al. 10.1016/j.ijsrc.2023.12.003
- Predicting Dissolved Organic Matter Lability and Carbon Accumulation in Temperate Freshwater Ecosystems M. Bastidas Navarro et al. 10.1007/s10021-021-00682-0
- Attenuation of photosynthetically active radiation and ultraviolet radiation in response to changing dissolved organic carbon in browning lakes: Modeling and parametrization R. Pilla & R. Couture 10.1002/lno.11753
10 citations as recorded by crossref.
- Root microbiomes of seedless vascular plants correlate with plant relatedness and spatial proximity R. Minton et al. 10.1016/j.rhisph.2022.100492
- Cyclical browning in a subtropical lake inferred from diatom records M. Emery Boeck et al. 10.3389/fevo.2023.1020024
- Integration of Photodegradation Process of Organic Micropollutants to a Vertically One-Dimensional Lake Model G. Chen et al. 10.3390/su15032082
- Modelling terrigenous DOC across the north west European Shelf: Fate of riverine input and impact on air-sea CO2 fluxes H. Powley et al. 10.1016/j.scitotenv.2023.168938
- Photochemical processes transform dissolved organic matter differently depending on its initial composition S. Li et al. 10.1016/j.scitotenv.2024.171465
- Contrasting dissolved organic matter biodegradation and bacterial cytometric features in oligotrophic and ultraoligotrophic Patagonian lakes M. Gerea et al. 10.1093/plankt/fbad033
- Optical and molecular indices of dissolved organic matter for estimating biodegradability and resulting carbon dioxide production in inland waters: A review M. Begum et al. 10.1016/j.watres.2022.119362
- The role of time and mixing in the degradation of terrestrial derived dissolved organic carbon in lakes of varying trophic status S. Magyan & C. Dempsey 10.1016/j.jpap.2021.100065
- A review of long-term change in surface water natural organic matter concentration in the northern hemisphere and the implications for drinking water treatment L. Anderson et al. 10.1016/j.scitotenv.2022.159699
- Quantification of sedimentary organic carbon sources in a land–river–lake continuum combined with multi-fingerprint and un-mixing models S. Wang et al. 10.1016/j.ijsrc.2023.12.003
2 citations as recorded by crossref.
- Predicting Dissolved Organic Matter Lability and Carbon Accumulation in Temperate Freshwater Ecosystems M. Bastidas Navarro et al. 10.1007/s10021-021-00682-0
- Attenuation of photosynthetically active radiation and ultraviolet radiation in response to changing dissolved organic carbon in browning lakes: Modeling and parametrization R. Pilla & R. Couture 10.1002/lno.11753
Latest update: 24 Apr 2024
Short summary
We looked at how terrestrial dissolved organic carbon (DOC) from the watersheds of four different lakes responded to both biodegradation (i.e., microbes) and photodegradation (i.e., sunlight). The traditional paradigm is that biodegradation is more important than photodegradation. Our research shows that, on short timescales (i.e., 7 d), sunlight is more important than microbes in degrading DOC. Interestingly, the lakes had different responses to sunlight based on their trophic status.
We looked at how terrestrial dissolved organic carbon (DOC) from the watersheds of four...
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