Selective grazing on Cryptomonas by Ceriodaphnia quadrangula fed a natural phytoplankton assemblage

Grazing of C. quadrangula from a Siberian forest pond on natural phytoplankton assemblages was studied in a modified flow-through system. Ceriodaphniastrongly selected subdominant Cryptomonas erosarather than the dominant diatoms of comparable size. Using Cryptomonas as the sole microalgae food, Cer...

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Bibliographic Details
Published in:Aquatic ecology 1999-12, Vol.33 (4), p.347-353
Main Authors: Gladyshev, Michail I, Temerova, Tatiana A, Dubovskaya, Olga P, Kolmakov, Vladimir I, Ivanova, Elena A
Format: Article
Language:English
Subjects:
Ceriodaphnia quadrangula
Cryptomonas
Cryptomonas erosa
Flow system
Freshwater
Grazing
Phytoplankton
Plankton
Ponds
Population growth
Russia, Siberia
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Summary:Grazing of C. quadrangula from a Siberian forest pond on natural phytoplankton assemblages was studied in a modified flow-through system. Ceriodaphniastrongly selected subdominant Cryptomonas erosarather than the dominant diatoms of comparable size. Using Cryptomonas as the sole microalgae food, Ceriodaphnia demonstrated significant somatic and population growth. Seasonal biomass maximum of Ceriodaphnia and Cryptomonas coincidedin the pond. Although bacterial component cannot be excluded, it was concluded that Cryptomonaswas the principal algal food source for Ceriodaphnia.[PUBLICATION ABSTRACT]
ISSN:1386-2588
1573-5125
DOI:10.1023/A:1009916209394