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On oxygen production by photosynthesis : A viewpoint

  • A. Y. Borisov
  • L. O. Björn
Publishing year: 2018
Language: English
Pages: 44-47
Publication/Series: Photosynthetica
Volume: 56
Issue: 1
Document type: Journal article
Publisher: Institute of Experimental Botany of the Academy of Sciences of the Czech Republic, Prague.

Abstract english

In this brief communication we provide an estimate of the part of the incident solar energy used for oxygen evolution as well as the time, in years, needed for the generation of the present amount of molecular oxygen in the biosphere by photosynthesis on land and in the ocean. We find this to be ≈4,000 yr. We also find that the ocean produces 22% more oxygen than the land surface.


  • Cell Biology
  • Govindjee
  • net primary production
  • oceanic oxygen production
  • solar radiation
  • terrestrial oxygen production


  • ISSN: 0300-3604
Lars Olof Björn
E-mail: lars_olof [dot] bjorn [at] biol [dot] lu [dot] se

Professor emeritus

Molecular Cell Biology

+46 46 222 72 53