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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F10%3A00011906%21RIV11-MSM-12310___
rdf:type
skos:Concept n16:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/60076658:12310/10:00011906!RIV11-MSM-12310___
n3:aktivita
n14:V n14:Z
n3:aktivity
V, Z(AV0Z60170517)
n3:cisloPeriodika
3
n3:dodaniDat
n6:2011
n3:domaciTvurceVysledku
n11:8073473 n11:9147683 n11:2133865 n11:4382870
n3:druhVysledku
n18:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
259330
n3:idVysledku
RIV/60076658:12310/10:00011906
n3:jazykVysledku
n9:eng
n3:klicovaSlova
diel pattern; soak time; CPUE
n3:klicoveSlovo
n5:soak%20time n5:CPUE n5:diel%20pattern
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[4D40EF2F6F1C]
n3:nazevZdroje
Fisheries Research
n3:obor
n13:GL
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
8
n3:rokUplatneniVysledku
n6:2010
n3:svazekPeriodika
102
n3:tvurceVysledku
Muška, Milan Vašek, Mojmír Kratochvíl, Michal Mrkvička, Tomáš Prchalová, Marie Peterka, Jiří Čech, Martin Kubečka, Jan
n3:wos
000275895700008
n3:zamer
n10:AV0Z60170517
s:issn
0165-7836
s:numberOfPages
6
n17:organizacniJednotka
12310