Modelling the Effect of Sulfur Dioxide, Hydrogen Sulfite and Sulfite on the Metabolisw of Plants

  • M. Plöchl
  • F. W. Badeck
  • G. H. Kohlmaier


Decrease of gross photosynthesis and increase of dark respiration are discussed as main effects of sulfur dioxide and its derivatives on vegetation. The nature of inhibition of the ribulose bisphosphate carboxylase as the main enzyme of the Calvin cycle is examined in model simulations. First simulation runs are compared with measurements under controlled conditions. Further simulation runs combine effects of climate and air pollution under ambient conditions. The effect of SO2 on net photosynthesis is measurable at relative high SO2 concentrations (more than 100 ppb) but seems to be neglectable at ambient conditions.


Calvin Cycle Dark Respiration Stomatal Resistance Ribulose Bisphosphate Ribulose Bisphosphate Carboxylase 
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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • M. Plöchl
    • 1
  • F. W. Badeck
    • 1
  • G. H. Kohlmaier
    • 1
  1. 1.Institute for Physical and Theoretical ChemistryJohann Wolfgang Goethe UniversityFrankfurt 50Federal Republik of Germany

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