About: Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity

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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	Fish activity was monitored analyzing the catches of gillnets exposed for short time intervals at night. The aims of the study were to describe and model a pattern of fish activity in general and on species and age group levels, and in turbid and clear water. Fish activity showed two distinct peaks around sunset and sunrise and was low during night. This pattern was the same in clear and turbid reservoirs, as well as for all species and age groups tested. This study established some justifications and standards for gillnet sampling: (i) it is possible to compare overnight gillnet catches between different lowland European species and waterbodies, as the pattern of fish activity is general; (ii) gillnets should be set 2?3 h before sunset and lifted 2?3 h after sunrise to cover activity peaks, thus getting reliable and comparable results; (iii) depicting gillnet catches per average hour of exposition produces biased and incomparable results. Fish activity was monitored analyzing the catches of gillnets exposed for short time intervals at night. The aims of the study were to describe and model a pattern of fish activity in general and on species and age group levels, and in turbid and clear water. Fish activity showed two distinct peaks around sunset and sunrise and was low during night. This pattern was the same in clear and turbid reservoirs, as well as for all species and age groups tested. This study established some justifications and standards for gillnet sampling: (i) it is possible to compare overnight gillnet catches between different lowland European species and waterbodies, as the pattern of fish activity is general; (ii) gillnets should be set 2?3 h before sunset and lifted 2?3 h after sunrise to cover activity peaks, thus getting reliable and comparable results; (iii) depicting gillnet catches per average hour of exposition produces biased and incomparable results. (en)
Title	Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity (en)
skos:prefLabel	Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity (en)
skos:notation	RIV/60076658:12310/10:00011906!RIV11-MSM-12310___
http://linked.open...avai/riv/aktivita	V Z
http://linked.open...avai/riv/aktivity	V, Z(AV0Z60170517)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kubečka, Jan Mrkvička, Tomáš Peterka, Jiří Kratochvíl, Michal
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	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	259330
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/10:00011906
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	diel pattern; soak time; CPUE (en)
http://linked.open.../riv/klicoveSlovo	CPUE diel pattern soak time
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[4D40EF2F6F1C]
http://linked.open...i/riv/nazevZdroje	Fisheries Research
http://linked.open...in/vavai/riv/obor	GL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	102
http://linked.open...iv/tvurceVysledku	Kubečka, Jan Mrkvička, Tomáš Peterka, Jiří Prchalová, Marie Čech, Martin Kratochvíl, Michal Vašek, Mojmír Muška, Milan
http://linked.open...ain/vavai/riv/wos	000275895700008
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a vývoj vodních ekosystémů
issn	0165-7836
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	12310
is http://linked.open...avai/riv/vysledek of	Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity Fish activity as determined by gillnet catch: A comparison of two reservoirs of different turbidity

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