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The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean

Author

Listed:
  • D. Karl

    (School of Ocean and Earth Science and Technology, University of Hawaii)

  • R. Letelier

    (College of Oceanic and Atmospheric Sciences, Oregon State University)

  • L. Tupas

    (School of Ocean and Earth Science and Technology, University of Hawaii)

  • J. Dore

    (School of Ocean and Earth Science and Technology, University of Hawaii
    Aquasearch Inc.)

  • J. Christian

    (Dalhousie University)

  • D. Hebel

    (School of Ocean and Earth Science and Technology, University of Hawaii)

Abstract

Seven years of time-series observations of biogeochemical processes in the subtropical North Pacific Ocean gyre have revealed dramatic changes in the microbial community structure and in the mechanisms of nutrient cycling in response to large-scale ocean–atmosphere interactions. Several independent lines of evidence show that the fixation of atmospheric nitrogen by cyanobacteria can fuel up to half of the new production. These and other observations demand a reassessment of present views of nutrient and carbon cycling in one of the Earth′s largest biomes.

Suggested Citation

  • D. Karl & R. Letelier & L. Tupas & J. Dore & J. Christian & D. Hebel, 1997. "The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean," Nature, Nature, vol. 388(6642), pages 533-538, August.
    • Handle: RePEc:nat:nature:v:388:y:1997:i:6642:d:10.1038_41474
    DOI: 10.1038/41474
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    Cited by:

    1. Eleonora Clò & Assunta Florenzano, 2022. "Heterocysts of Rivularia Type for Interpreting a Palaeoenvironmental Context of the Late Quaternary in Northern Italy," Sustainability, MDPI, vol. 14(22), pages 1-17, November.
    2. Yiwen Pan & Long You & Yifan Li & Wei Fan & Chen-Tung Arthur Chen & Bing-Jye Wang & Ying Chen, 2018. "Achieving Highly Efficient Atmospheric CO 2 Uptake by Artificial Upwelling," Sustainability, MDPI, vol. 10(3), pages 1-19, March.
    3. Inga Hense & H. Meier & Sebastian Sonntag, 2013. "Projected climate change impact on Baltic Sea cyanobacteria," Climatic Change, Springer, vol. 119(2), pages 391-406, July.
    4. Hense, Inga & Burchard, Hans, 2010. "Modelling cyanobacteria in shallow coastal seas," Ecological Modelling, Elsevier, vol. 221(2), pages 238-244.

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