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Ingestion of a bacterivorous ciliate by the oyster Crassostrea gigas: protozoa as a trophic link between picoplankton and benthic suspension-feeders

The linked concepts of 'microbial loop' and 'protozoan trophic link' have been very well documented in filter-feeding microzooplankton such as copepods, but have not been applied to energy transfer to benthic suspensionfeeding macrofauna, with the exception of the recent demonstr...

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Bibliographic Details
Published in:Marine ecology. Progress series (Halstenbek) 1997-01, Vol.152 (1/3), p.301-306
Main Authors: Le Gall, Solange, Bel Hassen, Malika, Le Gall, Pierre
Format: Article
Language:English
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Summary:The linked concepts of 'microbial loop' and 'protozoan trophic link' have been very well documented in filter-feeding microzooplankton such as copepods, but have not been applied to energy transfer to benthic suspensionfeeding macrofauna, with the exception of the recent demonstration of heterotrophic flagellate assimilation by mussels. The oyster Crassostrea gigas obtains energy resources by filtering microalgae (∼5 to 100 μm). However, in turbid estuaries, light-limited phytoplanktonic production cannot entirely account for oyster energy requirements. Conversely, picoplankters (
ISSN:0171-8630
1616-1599
DOI:10.3354/meps152301