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THE INFLUENCE OF ORGANIC MATTER ON THE METABOLISM OF SOME 
ISOLATED MICROPHYTE ALGAE OF THE BLACK SEA PHYTOPLANKTON 


Pia Elena Mihnea
Institut Roumain de Recherches Marines Constanta

Abstract
The results obtained on three unicellular algae grown in a medium
with organic addition are shown. The influence of organic substances
is represented as division rate. In order to avoid the influences of
other factors on algae metabolism (viz. microelements and vitamins) 
we tested the cultivation of algae both in media containing these
factors, as well as in media laking them. The results obtained
undoubtedly show the importance of organic substance on the 
metabolism of algae.