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Enhanced biological carbon consumption in a high CO2 ocean

Author

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  • U. Riebesell

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • K. G. Schulz

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • R. G. J. Bellerby

    (Bjerknes Centre for Climate Research,
    Geophysical Institute, University of Bergen, Allégaten 70, 5007 Bergen, Norway)

  • M. Botros

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • P. Fritsche

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • M. Meyerhöfer

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • C. Neill

    (Bjerknes Centre for Climate Research,)

  • G. Nondal

    (Bjerknes Centre for Climate Research,
    Geophysical Institute, University of Bergen, Allégaten 70, 5007 Bergen, Norway)

  • A. Oschlies

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • J. Wohlers

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

  • E. Zöllner

    (Leibniz Institute of Marine Sciences, IFM-GEOMAR, 24105 Kiel, Germany)

Abstract

Ocean carbon dioxide Nearly half of the fossil-fuel carbon dioxide produced since pre-industrial times has been absorbed by the oceans, causing measurable acidification and carbonate saturation. A series of recent reports has raised the spectre of severe seawater acidification in the future if anthropogenic CO2 production continues unchecked. Previous work has dealt largely with the effects on individual marine species. Now in an experimental study at Raune Fjord in Norway, using environment-scale mesocosm enclosures, the impact of CO2 absorption has been estimated in a natural community ecosystem. The results show that CO2 consumption by marine phytoplankton increases markedly as partial pressures of the gas increase, yet nutrient uptake is unchanged. If applicable to the oceans as a whole, this feedback might be an important constraint on atmospheric CO2 concentrations.

Suggested Citation

  • U. Riebesell & K. G. Schulz & R. G. J. Bellerby & M. Botros & P. Fritsche & M. Meyerhöfer & C. Neill & G. Nondal & A. Oschlies & J. Wohlers & E. Zöllner, 2007. "Enhanced biological carbon consumption in a high CO2 ocean," Nature, Nature, vol. 450(7169), pages 545-548, November.
    • Handle: RePEc:nat:nature:v:450:y:2007:i:7169:d:10.1038_nature06267
    DOI: 10.1038/nature06267
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    Cited by:

    1. Vadim Burko & Alvydas Zagorskis & Nelli Elistratova & Olha Khliestova & Jaunius Urbonavičius & Vladimir Monin, 2024. "Assessment of the Seasonal Potential of Macroalgae and Grass in the Sea of Azov for Methanogenesis and Optimization of the Digestate’s Carbon/Nitrogen Ratio," Sustainability, MDPI, vol. 16(3), pages 1-16, January.
    2. Yigit Kazancoglu & Yalcin Berberoglu & Cisem Lafci & Oleksander Generalov & Denys Solohub & Viktor Koval, 2023. "Environmental Sustainability Implications and Economic Prosperity of Integrated Renewable Solutions in Urban Development," Energies, MDPI, vol. 16(24), pages 1-24, December.
    3. Krishna, Shubham & Pahlow, Markus & Schartau, Markus, 2019. "Comparison of two carbon-nitrogen regulatory models calibrated with mesocosm data," Ecological Modelling, Elsevier, vol. 411(C).
    4. Robert H. Lampe & Tyler H. Coale & Kiefer O. Forsch & Loay J. Jabre & Samuel Kekuewa & Erin M. Bertrand & Aleš Horák & Miroslav Oborník & Ariel J. Rabines & Elden Rowland & Hong Zheng & Andreas J. And, 2023. "Short-term acidification promotes diverse iron acquisition and conservation mechanisms in upwelling-associated phytoplankton," Nature Communications, Nature, vol. 14(1), pages 1-19, December.

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