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Abstract

The most important classical limnological parameters are mentioned and the possibility to measure corresponding values by chlorophyll fluorescence are reviewed. These are mainly the chlorophyll content and the photosynthetic turnover which allows estimates of primary production. In contrast to forestry or agricultural applications hydrobiological work faces mixtures of many species in the sample and smaller and very varying chlorophyll concentrations. Since fluorescence methods are quick and rather easy to be mechanised they allow to obtain the spacial and temporal distribution of phytoplancton. The influence of poisons on a test culture can be checked by fluorescence too. Different colour classes (e.g. bluegreen, or green algae) can be identified to some extend by their excitation or fluorescence spectra.

Key words

Chlorophyll fluorescence hydrobiology limnology eutrophication poisioning oceanography O2-depletion monitoring of algae chlorophyll content electron transport chain blocker chlorophyll extraction primary production quench effect delayed fluorescence colour classes 

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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • Dieter E. W. Ernst
    • 1
  1. 1.Inst. f. BiophysikHannoverGermany

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