About: The effect of water level fluctuation on tributary spawning migration of reservoir fish

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About: The effect of water level fluctuation on tributary spawning migration of reservoir fish 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	The Římov Reservoir (Czech Republic) was chosen as a model object to study the importance of the tributary zone (Malše River) for the fish populations of the reservoir. During first three seasons, the water level had a similar pattern with maximum level in the beginning of spring and flooded terrestrial vegetation was available for phytophilic fish to spawn along the shoreline of whole reservoir. In 2003, the water level was maintained down by at least 2 m and no plant-spawning substratum was available in the reservoir and therefore a much stronger upstream spawning run of the phytophilic fish to the tributary area was expected. Increased numbers of migrating individuals were found only for white bream (Blicca bjoerkna) and to a small extent bream (Abramis brama). Roach (Rutilus rutilus) and bleak (Alburnus alburnus) tributary run seems to be proportional to the number of adult fish in the reservoir. The Římov Reservoir (Czech Republic) was chosen as a model object to study the importance of the tributary zone (Malše River) for the fish populations of the reservoir. During first three seasons, the water level had a similar pattern with maximum level in the beginning of spring and flooded terrestrial vegetation was available for phytophilic fish to spawn along the shoreline of whole reservoir. In 2003, the water level was maintained down by at least 2 m and no plant-spawning substratum was available in the reservoir and therefore a much stronger upstream spawning run of the phytophilic fish to the tributary area was expected. Increased numbers of migrating individuals were found only for white bream (Blicca bjoerkna) and to a small extent bream (Abramis brama). Roach (Rutilus rutilus) and bleak (Alburnus alburnus) tributary run seems to be proportional to the number of adult fish in the reservoir. (en) Na údolní nádrži Římov byla sledována migrace ryb do přítoku (ř. Malše) a zpět v létech 2000-2003. První tři roky se vyznačovaly vysokou vodní hladinou se zatopenými vodními rostlinami, ve čtvrtém roce byla nádrž bez rostlin. Výrazné zvýšení tahu do přítoku bylo zjištěno především u cejna velkého a cejnka malého. Množství ostatních ryb záleželo na početnosti rodičovského hejna v nádrži. (cs)
Title	The effect of water level fluctuation on tributary spawning migration of reservoir fish The effect of water level fluctuation on tributary spawning migration of reservoir fish (en) Vliv kolísání hladiny na migraci ryb z údolní nádrže do přítoku (cs)
skos:prefLabel	The effect of water level fluctuation on tributary spawning migration of reservoir fish The effect of water level fluctuation on tributary spawning migration of reservoir fish (en) Vliv kolísání hladiny na migraci ryb z údolní nádrže do přítoku (cs)
skos:notation	RIV/60077387:_____/04:00000284!RIV/2005/AV0/A62005/N
http://linked.open.../vavai/riv/strany	449;457
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/02/0520), P(IAA6017201), P(IBS6017004), P(KSK6005114), Z(AV0Z6017912), Z(MSM 123100004)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Hladík, Milan Kubečka, Jan
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	562100
http://linked.open...ai/riv/idVysledku	RIV/60077387:_____/04:00000284
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	freshwater fish spawning migration; tributary; reservoir (en)
http://linked.open.../riv/klicoveSlovo	reservoir freshwater fish spawning migration tributary
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[7326614F6CC5]
http://linked.open...i/riv/nazevZdroje	Ecohydrology & Hydrobiology
http://linked.open...in/vavai/riv/obor	GL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodiversity and functions of ecological systems Tributary zone as a key factor for fish stock development in reservoirs Pelagic niche of riverine fish in Czech reservoirs Water quality control in reservoirs
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Hladík, Milan Kubečka, Jan
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 http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20123100004
issn	1642-3593
number of pages	9 (xsd:int)

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