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Light-limited population dynamics of phytoplankton: modeling light and depth effects

Author

Listed:
  • R. Bhutiani

    (Gurukul Kangri University)

  • D. R. Khanna

    (Gurukul Kangri University)

  • Kumar S. Chandra

    (Gurukul Kangri University)

Abstract

Light has received very less attention as a selective factor, probably because the changing vertical light gradient makes light a rather complex factor when compared with the nutrient competition. In our study we modified an analytically tractable model based upon the Beer–Lambert law. The study aimed to predict the outcome of phytoplankton competition for light, on the basis of field measurements. When we considered competition theory, Fragilaria was found to be more competitive than other genera. The overall result shows that the trends flow in the following manner; Fragilaria > Gomphonema > Diatoma > Amphora > Achnanthes.

Suggested Citation

  • R. Bhutiani & D. R. Khanna & Kumar S. Chandra, 2009. "Light-limited population dynamics of phytoplankton: modeling light and depth effects," Environment Systems and Decisions, Springer, vol. 29(1), pages 93-105, March.
    • Handle: RePEc:spr:envsyd:v:29:y:2009:i:1:d:10.1007_s10669-008-9184-2
    DOI: 10.1007/s10669-008-9184-2
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