Grazing of bacteria and phytoplankton by heterotrophic nanoflagellates in a Baltic Sea sample |
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Authors: | Harri Kuosa Birgitte Marcussen |
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Institution: | (1) Tvärminne Zoological Station, SF-10900 Hanko, Finland |
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Abstract: | Grazing by heterotrophic nanoflagellates on bacteria and phytoplankton was studied in a laboratory experiment, using a natural pelagic community originating from the Tvärminne sea area off the southern coast of Finland. Water was prescreened to remove larger grazers. Four experimental treatments were used: light and dark, with and without added nutrients. The growth of the large heterotrophic flagellates was stimulated by increased production of < 3 m phytoplankton. Clearance rates for heterotrophic nanoflagellates were estimated and were found to be within the range of previously reported values. |
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Keywords: | heterotrophic nanoflagellates grazing the Baltic Sea |
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