About: Diel differences in 0+ fish samples: effect of river size and habitat

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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	Studies of diel patterns in 0+ fish assemblages in rivers are scarce and produce contradictory results. We compared day and night electrofishing samples at 29 sites on rivers of different sizes in the Czech Republic. Diel patterns of 0+ fish differed among sites, but were consistent within each river stretch. River size was negatively correlated with both the day : night ratio of abundance (day samples produced more 0+ fish in smaller streams, night samples produced more 0+ fish in larger rivers) and similarity between day and night assemblage. A higher day : night ratio of abundance and lower similarity between day and night samples were observed at shelter-lacking habitats (beach) compared with shelter-providing habitats (boulder bank and flooded terrestrial vegetation). Differences in 0+ fish size were not dependant on diel period, river size, habitat or species. Day-only or night-only samples provided only two-third of the information provided by a combination of day and night samples. The effect of habitat type and river size on diel differences in electrofishing catches should be considered when deciding on 0+ fish sampling protocol. Studies of diel patterns in 0+ fish assemblages in rivers are scarce and produce contradictory results. We compared day and night electrofishing samples at 29 sites on rivers of different sizes in the Czech Republic. Diel patterns of 0+ fish differed among sites, but were consistent within each river stretch. River size was negatively correlated with both the day : night ratio of abundance (day samples produced more 0+ fish in smaller streams, night samples produced more 0+ fish in larger rivers) and similarity between day and night assemblage. A higher day : night ratio of abundance and lower similarity between day and night samples were observed at shelter-lacking habitats (beach) compared with shelter-providing habitats (boulder bank and flooded terrestrial vegetation). Differences in 0+ fish size were not dependant on diel period, river size, habitat or species. Day-only or night-only samples provided only two-third of the information provided by a combination of day and night samples. The effect of habitat type and river size on diel differences in electrofishing catches should be considered when deciding on 0+ fish sampling protocol. (en)
Title	Diel differences in 0+ fish samples: effect of river size and habitat Diel differences in 0+ fish samples: effect of river size and habitat (en)
skos:prefLabel	Diel differences in 0+ fish samples: effect of river size and habitat Diel differences in 0+ fish samples: effect of river size and habitat (en)
skos:notation	RIV/68081766:_____/13:00374406!RIV13-AV0-68081766
http://linked.open...avai/predkladatel	Ústav biologie obratlovců AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC522), Z(AV0Z60930519)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Jurajda, Pavel Janáč, 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	Ústav biologie obratlovců AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	69550
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/13:00374406
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	young-of-the-year fish; diurnal; nocturnal; habitat complexity; stream size (en)
http://linked.open.../riv/klicoveSlovo	diurnal habitat complexity nocturnal stream size young-of-the-year fish
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[93E759656A70]
http://linked.open...i/riv/nazevZdroje	River Research and Applications
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	ICHTHYOPASITOLOGY RESEARCH CENTRE
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	29
http://linked.open...iv/tvurceVysledku	Jurajda, Pavel Janáč, Michal
http://linked.open...ain/vavai/riv/wos	000313793900007
http://linked.open...n/vavai/riv/zamer	Biodiverzita a ekologie obratlovců: Strategie ochrany a využívání přírodních populací
issn	1535-1459
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/rra.1582

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