About: Ecological role and bacterial grazing of Halteria spp.: small freshwater oligotrichs as dominant pelagic ciliate bacterivores.

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About: Ecological role and bacterial grazing of Halteria spp.: small freshwater oligotrichs as dominant pelagic ciliate bacterivores. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	With increasing trophic status, a higher portion of bacterial production was consumed by ciliates, accounting for 40 and 50 of the total protistan bacterivory in dam reservoirs. Increases were attributable to the oligotrichs of the genus Halteria that often numerically dominate freshwater pelagic ciliate communities. The most important ciliate bacterivores in order of their decreasing importance were: oligotrichs (primarily Halteria spp.), peritrichs, and scuticociliates. Our results suggest that small halteriids are ecologically important bacterial consumers in meso to eutrophic freshwater systems due to: (i) an efficient uptake of prey over a large size spectrum, (ii) high clearance rates on picoplankton-sized particles, (iii) high potential growth rate, and (iv) a low vulnerability to metazooplankton predation. Correspondingly, we suggest a revised concept of planktonic ciliate bacterivory, where the principal role is attributed to small omnivorous filter-feeding oligotrichous ciliates. With increasing trophic status, a higher portion of bacterial production was consumed by ciliates, accounting for 40 and 50 of the total protistan bacterivory in dam reservoirs. Increases were attributable to the oligotrichs of the genus Halteria that often numerically dominate freshwater pelagic ciliate communities. The most important ciliate bacterivores in order of their decreasing importance were: oligotrichs (primarily Halteria spp.), peritrichs, and scuticociliates. Our results suggest that small halteriids are ecologically important bacterial consumers in meso to eutrophic freshwater systems due to: (i) an efficient uptake of prey over a large size spectrum, (ii) high clearance rates on picoplankton-sized particles, (iii) high potential growth rate, and (iv) a low vulnerability to metazooplankton predation. Correspondingly, we suggest a revised concept of planktonic ciliate bacterivory, where the principal role is attributed to small omnivorous filter-feeding oligotrichous ciliates. (en)
Title	Ecological role and bacterial grazing of Halteria spp.: small freshwater oligotrichs as dominant pelagic ciliate bacterivores. Ecological role and bacterial grazing of Halteria spp.: small freshwater oligotrichs as dominant pelagic ciliate bacterivores. (en)
skos:prefLabel	Ecological role and bacterial grazing of Halteria spp.: small freshwater oligotrichs as dominant pelagic ciliate bacterivores. Ecological role and bacterial grazing of Halteria spp.: small freshwater oligotrichs as dominant pelagic ciliate bacterivores. (en)
skos:notation	RIV/60077387:_____/00:62003023!RIV/2003/AV0/A62003/N
http://linked.open.../vavai/riv/strany	43;56
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/96/0012), P(GA206/98/0727), P(GA206/99/0028), P(KSK2005601), Z(AV0Z6017912)
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Nedoma, Jiří Šimek, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Hydrobiologický ústav AV ČR
http://linked.open...dnocenehoVysledku	709474
http://linked.open...ai/riv/idVysledku	RIV/60077387:_____/00:62003023
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	N/A (en)
http://linked.open.../riv/klicoveSlovo	N/A
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[734F9BDF51B2]
http://linked.open...i/riv/nazevZdroje	Aquatic Microbial Ecology
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Impact of protozoan grazing on comunnity structure and cell morphology of aquatic bacteria by using RNA probes and image analysis Evaluation and prognosis of ecosystem change based on analysis of long-term data series Mechanism of microbial transformation of pollution with biodegradable organic carbon and nutrients in the inflow zone of canyon-shaped reservoir Biodiversity and functions of ecological systems
http://linked.open...UplatneniVysledku	2000
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Šimek, Karel Nedoma, Jiří Armengol, J. Comerma, M. Jürgens, K.
http://linked.open...n/vavai/riv/zamer	Biotické interakce v pelagické zóně lenitických ekosystémů, údolních nádrží a jezer různé trofie v podmínkách výrazného snížení emisí v postkomunistické Evropě
issn	0948-3055
number of pages	14 (xsd:int)

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