About: Re-occurrence of Zingel streber (Teleostei: Pisces) in the Czech Republic     Goto   Sponge   NotDistinct   Permalink

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Description
  • Po téměř sto letech byl zjištěn opětovný výskyt drska menšího v oblasti soutoku řek Morava a Dyje.Populace tam sestávala z jedinců 0+ až 5+, při čemž převládala věková skupina 0+. To svědčí o tom, že se tam tento druhu úspěšně rozmnožoval v roce 2003. Byla provedena analýza karyotypu (n=5) a meristických znaků (n=10). Byl zjištěn následující růst délky těla (n=16): SL1 – 81 mm, SL2 – 114 mm, SL3 – 130 mm, SL4 – 146 mm, SL5 – 166 mm. Největší jedinec, samice ve věku 5+ měl TL 200 mm, a SL 180 mm. Jedinci ve věku 0+ preferovali proudivé úseky se štěrkovitým dnem, kde rychlost proudu byla 0,2 až 0,6 m.s -1. Obnovení výskytu tohoto druhu bylo umožněno výrazným zlepšením kvality vody po roce 1990 a bezbariérovým spojením úseků Moravy a Dyje s Dunajem přes slovensko-rakouskou část řeky Moravy. (cs)
  • Almost after a century, the occurrence of Zingel streber (Siebold, 1863) was recorded again in the area of confluence of the rivers Morava and Dyje. The population consisted of fish 0+ to 5+, with 0+ group predominating in the sample, indicating that the species had successfully reproduced in 2003. Analysis was made of their karyotype (n=5) and meristic characters (n=10). The following was the result of a study of growth of standard lengths (n=16): SL1 ů 81 mm, SL2 ů 114 mm, SL3 ů 130 mm, SL4 ů 146 mm, SL5 ů 166 mm. The biggest individual was a female 5+ of age, TL 200 mm, SL 180 mm. The habitat types preferred by individuals 0+ were the rapidly flowing sections with gravel bottom, in which the stream velocity was 0.2ů0.6 m.s-1. Re-occurrence of this species was facilitated by the marked improvement of water quality after 1990 as well as by the barrier-free connection of sections of the rivers Morava and Dyje with the Danube via the Slovakian-Austrian part of the River Morava.
  • Almost after a century, the occurrence of Zingel streber (Siebold, 1863) was recorded again in the area of confluence of the rivers Morava and Dyje. The population consisted of fish 0+ to 5+, with 0+ group predominating in the sample, indicating that the species had successfully reproduced in 2003. Analysis was made of their karyotype (n=5) and meristic characters (n=10). The following was the result of a study of growth of standard lengths (n=16): SL1 ů 81 mm, SL2 ů 114 mm, SL3 ů 130 mm, SL4 ů 146 mm, SL5 ů 166 mm. The biggest individual was a female 5+ of age, TL 200 mm, SL 180 mm. The habitat types preferred by individuals 0+ were the rapidly flowing sections with gravel bottom, in which the stream velocity was 0.2ů0.6 m.s-1. Re-occurrence of this species was facilitated by the marked improvement of water quality after 1990 as well as by the barrier-free connection of sections of the rivers Morava and Dyje with the Danube via the Slovakian-Austrian part of the River Morava. (en)
Title
  • Re-occurrence of Zingel streber (Teleostei: Pisces) in the Czech Republic
  • Opětovný výskyt Zingel streber (Teleostei: Pisces) v České republice (cs)
  • Re-occurrence of Zingel streber (Teleostei: Pisces) in the Czech Republic (en)
skos:prefLabel
  • Re-occurrence of Zingel streber (Teleostei: Pisces) in the Czech Republic
  • Opětovný výskyt Zingel streber (Teleostei: Pisces) v České republice (cs)
  • Re-occurrence of Zingel streber (Teleostei: Pisces) in the Czech Republic (en)
skos:notation
  • RIV/68081766:_____/04:00104745!RIV/2005/AV0/A67005/N
http://linked.open.../vavai/riv/strany
  • 417;422
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA6093105), Z(AV0Z6093917)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 584318
http://linked.open...ai/riv/idVysledku
  • RIV/68081766:_____/04:00104745
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • streber;occurrence;karyotype (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [BBD1F7BAAB66]
http://linked.open...i/riv/nazevZdroje
  • Folia zoologica
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 53
http://linked.open...iv/tvurceVysledku
  • Lusk, Stanislav
  • Lusková, Věra
  • Halačka, Karel
  • Vetešník, Lukáš
http://linked.open...n/vavai/riv/zamer
issn
  • 0139-7893
number of pages
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