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Statements

Subject Item
n2:RIV%2F68081766%3A_____%2F14%3A00424176%21RIV15-GA0-68081766
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://agriculturejournals.cz/publicFiles/110472.pdf
dcterms:description
In August 2007, the 0+ juvenile fish assemblage of the upper River Elbe was surveyed using electrofishing. Thirty-six localities were sampled along a 177 km long section between the towns of Verdek and Brandýs nad Labem (river km (RKM) 136–313). Four localities with natural riverbeds, 14 channelized stretches, nine beaches, and nine backwaters were sampled. Altogether, 4521 0+ juvenile fishes were caught, belonging to 26 species. A decrease in species richness and abundance was evident near Hradec Králové, while decreased species abundance was noted along the navigated stretch below Přelouč. The highest catch-perunit- effort (CPUE), species richness, and Shannon index values were observed at beach habitats, the lowest in channelized habitats, and intermediate values in backwaters. Generally, rare beach habitats had significantly more rheophilic species than other habitats, while backwaters had significantly more eurytopic species and higher CPUE for limnophilic species. Backwaters and channel habitats, however, did not differ in any other 0+ fish assemblage parameter studied. The study demonstrated the importance of beaches for fish assemblages along navigable channels. Surprisingly, however, backwaters were not confirmed as important nursery habitats. In August 2007, the 0+ juvenile fish assemblage of the upper River Elbe was surveyed using electrofishing. Thirty-six localities were sampled along a 177 km long section between the towns of Verdek and Brandýs nad Labem (river km (RKM) 136–313). Four localities with natural riverbeds, 14 channelized stretches, nine beaches, and nine backwaters were sampled. Altogether, 4521 0+ juvenile fishes were caught, belonging to 26 species. A decrease in species richness and abundance was evident near Hradec Králové, while decreased species abundance was noted along the navigated stretch below Přelouč. The highest catch-perunit- effort (CPUE), species richness, and Shannon index values were observed at beach habitats, the lowest in channelized habitats, and intermediate values in backwaters. Generally, rare beach habitats had significantly more rheophilic species than other habitats, while backwaters had significantly more eurytopic species and higher CPUE for limnophilic species. Backwaters and channel habitats, however, did not differ in any other 0+ fish assemblage parameter studied. The study demonstrated the importance of beaches for fish assemblages along navigable channels. Surprisingly, however, backwaters were not confirmed as important nursery habitats.
dcterms:title
Structure of 0+ juvenile fish assemblages in the modified upper stretch of the River Elbe, Czech Republic Structure of 0+ juvenile fish assemblages in the modified upper stretch of the River Elbe, Czech Republic
skos:prefLabel
Structure of 0+ juvenile fish assemblages in the modified upper stretch of the River Elbe, Czech Republic Structure of 0+ juvenile fish assemblages in the modified upper stretch of the River Elbe, Czech Republic
skos:notation
RIV/68081766:_____/14:00424176!RIV15-GA0-68081766
n3:aktivita
n10:I n10:P
n3:aktivity
I, P(GBP505/12/G112)
n3:cisloPeriodika
1
n3:dodaniDat
n17:2015
n3:domaciTvurceVysledku
n4:5540690 n4:7727534 n4:4849183 n4:6271685
n3:druhVysledku
n5:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
47945
n3:idVysledku
RIV/68081766:_____/14:00424176
n3:jazykVysledku
n6:eng
n3:klicovaSlova
YOY fish; fish reproduction; regulation; channelization
n3:klicoveSlovo
n13:YOY%20fish n13:channelization n13:fish%20reproduction n13:regulation
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[DDC80A726E02]
n3:nazevZdroje
Czech Journal of Animal Science
n3:obor
n8:EH
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n9:GBP505%2F12%2FG112
n3:rokUplatneniVysledku
n17:2014
n3:svazekPeriodika
59
n3:tvurceVysledku
Valová, Zdenka Švanyga, Jan Jurajda, Pavel Janáč, Michal
n3:wos
000335888900005
s:issn
1212-1819
s:numberOfPages
10