Maximal Photosynthetic Rates in Nature

@article{Verduin1959MaximalPR,
  title={Maximal Photosynthetic Rates in Nature},
  author={J. Verduin and E. E. Whitwer and B. C. Cowell},
  journal={Science},
  year={1959},
  volume={130},
  pages={268 - 269}
}
It seems likely that turbulence under natural conditions, both aquatic and terrestrial, is higher than it is in the bottles or leaf chambers used when photosynthesis is measured experimentally. Most of the maximal photosynthetic rates reported in the literature are probably lower than those which occur in nature. 

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References

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Energy Fixation and Utilization by Natural Communities in Western Lake Erie
TLDR
The photosynthesis and respiration rates exhibited by communities concentrated by screening water through No. 25 silk bolting cloth, and by communities studied at their natural population density, are presented below. Expand
This study represents only 2 days' work. On both days the diurnal net rate under completely natural conditions exceeded the rate observed in bottles
  • This finding suggests that diurnal respiration rates may exceed the nocturnal rates
  • 1958
Photosynthesis and Related Processes (Interscience
  • New York, 1951),
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) were used, and the work was subsidized by the National Science Foundation (G-3836)
    A Beckman Model G pH meter was used
      A sample computation from bottle data is as
        This computation is made as follows: 2 x
          differ-Partition