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Description
| - We studied the ecological role of choanoflagellates of the genus Salpingoeca (possibly S. amphoridium) attached to the colonial diatoms Asterionella formosa and Fragilaria crotonensis in the Rimov reservoir (South Bohemia). The choanoflagellate was found only on these 2 species of diatoms (0 to 35 choanoflagellate cells per diatom colony). It is clearly identifiable in natural samples, and is a highly efficient planktonic bacterivore. In 2 field experiments (Expt 1 in June 2000 and Expt 2 in September 2002) we estimated in situ rates of bacterivory using fluorescently labeled bacteria (FLB) as tracers. There was a linear increase in the number of FLB per choanoflagellate during the first 30 min of incubation, with only 8 to 16 % of individuals within the natural populations displaying no ingestion of FLB. Taxon-specific bacteria uptake rate of Salpingoeca spp. was 35 to 65 bacteria cell(-1) h(-1). In Expt 2, by manipulating phosphorus (P) and organic carbon availability (glucose), we also examined how
- We studied the ecological role of choanoflagellates of the genus Salpingoeca (possibly S. amphoridium) attached to the colonial diatoms Asterionella formosa and Fragilaria crotonensis in the Rimov reservoir (South Bohemia). The choanoflagellate was found only on these 2 species of diatoms (0 to 35 choanoflagellate cells per diatom colony). It is clearly identifiable in natural samples, and is a highly efficient planktonic bacterivore. In 2 field experiments (Expt 1 in June 2000 and Expt 2 in September 2002) we estimated in situ rates of bacterivory using fluorescently labeled bacteria (FLB) as tracers. There was a linear increase in the number of FLB per choanoflagellate during the first 30 min of incubation, with only 8 to 16 % of individuals within the natural populations displaying no ingestion of FLB. Taxon-specific bacteria uptake rate of Salpingoeca spp. was 35 to 65 bacteria cell(-1) h(-1). In Expt 2, by manipulating phosphorus (P) and organic carbon availability (glucose), we also examined how (en)
- Úloha choanoflagelátů rodu Salpingoeca přisedlých na rozsivkách (cs)
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Title
| - Role of diatom-attached choanoilagellates of the genus Salpingoeca as pelagic bacterivores
- Role of diatom-attached choanoilagellates of the genus Salpingoeca as pelagic bacterivores (en)
- Úloha choanoflagelátů rodu Salpingoeca přisedlých na rozsivkách (cs)
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skos:prefLabel
| - Role of diatom-attached choanoilagellates of the genus Salpingoeca as pelagic bacterivores
- Role of diatom-attached choanoilagellates of the genus Salpingoeca as pelagic bacterivores (en)
- Úloha choanoflagelátů rodu Salpingoeca přisedlých na rozsivkách (cs)
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skos:notation
| - RIV/60076658:12310/04:00005598!RIV/2005/MSM/123105/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60076658:12310/04:00005598
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - reservoir;microbial food webs;protistan bacterivory;bacterioplankton;grazing-induced mortality;choanoflagellates;ciliates (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Aquatic Microbial Ecology
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Horňák, Karel
- Šimek, Karel
- Seďa, Jaromír
- Vrba, Jaroslav
- Jezbera, Jan
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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