Articles | Volume 13, issue 4
https://doi.org/10.5194/bg-13-1019-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-1019-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Diurnal variation in the coupling of photosynthetic electron transport and carbon fixation in iron-limited phytoplankton in the NE subarctic Pacific
Nina Schuback
CORRESPONDING AUTHOR
Departement of Earth, Ocean and Atmospheric Sciences,
University of British Columbia, Vancouver, BC, Canada
Mirkko Flecken
RWTH Aachen University, Aachen, Germany
Maria T. Maldonado
Departement of Earth, Ocean and Atmospheric Sciences,
University of British Columbia, Vancouver, BC, Canada
Philippe D. Tortell
Departement of Earth, Ocean and Atmospheric Sciences,
University of British Columbia, Vancouver, BC, Canada
Department of Botany, University of British Columbia,
Vancouver, BC, Canada
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46 citations as recorded by crossref.
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- Primary productivity and the coupling of photosynthetic electron transport and carbon fixation in the Arctic Ocean N. Schuback et al. 10.1002/lno.10475
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- High-resolution underway measurements of phytoplankton photosynthesis and abundance as an innovative addition to water quality monitoring programs H. Aardema et al. 10.5194/os-15-1267-2019
- Diversity in Xanthophyll Cycle Pigments Content and Related Nonphotochemical Quenching (NPQ) Among Microalgae: Implications for Growth Strategy and Ecology T. Lacour et al. 10.1111/jpy.12944
- Roadmaps and Detours: Active Chlorophyll-a Assessments of Primary Productivity Across Marine and Freshwater Systems D. Hughes et al. 10.1021/acs.est.8b03488
- Phytoplankton primary productivity: A dual‐incubation approach for direct comparison of photosystem II photosynthetic flux (JVPII) and 14C‐fixation experiments N. Schuback et al. 10.1002/lom3.10635
- Assessing indicators of arsenic toxicity using variable fluorescence in a commercially valuable microalgae: Physiological and toxicological aspects S. Das et al. 10.1016/j.jhazmat.2023.131215
- CO2 uptake and chlorophyll a fluorescence of Suaeda fruticosa grown under diurnal rhythm and after transfer to continuous dark S. Wungrampha et al. 10.1007/s11120-019-00659-0
- Interactions between Fe and light strongly affect phytoplankton communities in a eutrophic lake Y. Yuan et al. 10.1016/j.ecolind.2021.107664
- Estimates of diurnal and daily net primary productivity using the Geostationary Ocean Color Imager (GOCI) data J. Wu et al. 10.1016/j.rse.2022.113183
- Photophysiological status of phytoplankton communities in different types of eddies during winter in the western Pacific Ocean J. Gui et al. 10.1016/j.dsr.2024.104402
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- Dynamic variability of the phytoplankton electron requirement for carbon fixation in eastern Australian waters D. Hughes et al. 10.1016/j.jmarsys.2019.103252
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- Phytoplankton σPSII and Excitation Dissipation; Implications for Estimates of Primary Productivity K. Xu et al. 10.3389/fmars.2018.00281
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- Temperature and stoichiometric dependence of phytoplankton traits P. Hofmann et al. 10.1002/ecy.2875
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We measured rates of phytoplankton photosynthesis at the level of initial charge separation in PSII and at the level of carbon uptake in iron-limited phytoplankton field assemblages over a diurnal cycle. Our results show significant diurnal uncoupling of the two rates. The uncoupling between rates complicates the derivation of carbon-based estimates of phytoplankton production from rates of charge separation. However, it can be explained as evolutionary adaption to iron limited conditions.
We measured rates of phytoplankton photosynthesis at the level of initial charge separation in...
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