About: Effect of river fragmentation and flow regulation on occurrence of landlocked brown trout in a fish ladder

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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 movement pattern of brown trout in a fish ladder on the heavily fragmented Ohre River, Czech Republic was observed. Some individually-tagged fish repeatedly occurred in the ladder. Repeatedly-caught individuals represented 84.9 % of the total captures. The likelihood of repetitive occurrence decreased with the increase in fish body length. The number of individuals in the ladder was inversely related to temperature, and positively correlated with increasing water flow in the main channel. Fish abundance in the ladder was density-dependent, as the number of individuals was inversely related to fish size and time of residency in the ladder. Spawning migrations were not the best predictor of maximum fish occurrence in the ladder, suggesting that repetitive capture of individuals in the ladder was significantly affected by other factors influencing fish behaviour. Repetitive fish occurrence in ladders can be expected, particularly in rivers with numerous lateral obstructions. The movement pattern of brown trout in a fish ladder on the heavily fragmented Ohre River, Czech Republic was observed. Some individually-tagged fish repeatedly occurred in the ladder. Repeatedly-caught individuals represented 84.9 % of the total captures. The likelihood of repetitive occurrence decreased with the increase in fish body length. The number of individuals in the ladder was inversely related to temperature, and positively correlated with increasing water flow in the main channel. Fish abundance in the ladder was density-dependent, as the number of individuals was inversely related to fish size and time of residency in the ladder. Spawning migrations were not the best predictor of maximum fish occurrence in the ladder, suggesting that repetitive capture of individuals in the ladder was significantly affected by other factors influencing fish behaviour. Repetitive fish occurrence in ladders can be expected, particularly in rivers with numerous lateral obstructions. (en)
Title	Effect of river fragmentation and flow regulation on occurrence of landlocked brown trout in a fish ladder Effect of river fragmentation and flow regulation on occurrence of landlocked brown trout in a fish ladder (en)
skos:prefLabel	Effect of river fragmentation and flow regulation on occurrence of landlocked brown trout in a fish ladder Effect of river fragmentation and flow regulation on occurrence of landlocked brown trout in a fish ladder (en)
skos:notation	RIV/00027014:_____/09:#0000988!RIV10-MZE-00027014
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6007665809), Z(MZE0002701402), Z(MZP0002071101)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bartoš, Luděk
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	Výzkumný ústav živočišné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	312238
http://linked.open...ai/riv/idVysledku	RIV/00027014:_____/09:#0000988
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	river fragmentation; flow regulation; brown trout; fish ladder (en)
http://linked.open.../riv/klicoveSlovo	brown trout fish ladder flow regulation river fragmentation
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[51A99E273F07]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Ichthyology
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	25
http://linked.open...iv/tvurceVysledku	Bartoš, Luděk
http://linked.open...ain/vavai/riv/wos	000263457700011
http://linked.open...n/vavai/riv/zamer	Biologické, enviromentální a chovatelské aspekty v rybářství Research and Protection of the Hydrosphere – research of relations and processes in the aquatic component of the environment, with particular focus on the impact of anthropogenic pressures and on the sustainable use and protection, including legislative Rozvoj oborů welfare technologií, etologie, managementu a ekonomiky chovů hospodářských zvířat s ohledem na environmentální faktory
issn	0175-8659
number of pages	6 (xsd:int)

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