About: The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River     Goto   Sponge   NotDistinct   Permalink

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  • V letech 2004, 2005 a 2006 jsme vzorkovali příbrežní ichtyofaunu v podélném profilu toku Dunaje s hlavním cílem získat data o aktuálním rozšíření a populačních hustotách zástupců rodu Neogobius. Vzorkován byl rakouský, slovenský, chorvatský a bulharský úsek Dunaje. Ke vzorkování jsme použili zátahovou síť a elektrolov. Přítomnost 4 druhů rodu - N. fluviatilis, N. gymnotrachelus, N. kessleri a N. melanostomus - byla potvrzena v chorvatském a rakouském úseku Dunaje. Nejnižší hustotu dosahoval rod jako celek v původní oblasti rozšíření (bulharský úsek). Ve všech oblastech nepůvodního výskytu byla hustota rodu výrazně vyšší. Neogobius kessleri a N. melanostomus dosahují v oblastech nepůvodního rozšíření vyšší průměrné velikosti. (cs)
  • The recent distribution and abundances of the genus Neogobius were studied (using electrofishing and beach seining) within (Bulgaria) and outside (Austria, Slovakia, Croatia) its native range along the longitudinal profile of the Danube River in 2004, 2005 and 2006. The presence of four Neogobius species - N. kessleri, N. fluviatilis N. melanostomus, and N. gymnotrachelus was confirmed in Bulgaria and Croatia. In general, the Neogobius spp. showed the lowest density within their native range (6 individuals per 100 m shoreline) while their densities were considerably larger outside their native range (18 - 28 individuals per 100 m shoreline). In addition, N. kessleri and N. melanostomus were significantly larger at sites of non-native distribution compared to native sites.
  • The recent distribution and abundances of the genus Neogobius were studied (using electrofishing and beach seining) within (Bulgaria) and outside (Austria, Slovakia, Croatia) its native range along the longitudinal profile of the Danube River in 2004, 2005 and 2006. The presence of four Neogobius species - N. kessleri, N. fluviatilis N. melanostomus, and N. gymnotrachelus was confirmed in Bulgaria and Croatia. In general, the Neogobius spp. showed the lowest density within their native range (6 individuals per 100 m shoreline) while their densities were considerably larger outside their native range (18 - 28 individuals per 100 m shoreline). In addition, N. kessleri and N. melanostomus were significantly larger at sites of non-native distribution compared to native sites. (en)
Title
  • The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River
  • The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River (en)
  • Rozšíření a početnosti zástupců rodu Neogobius v jejich původní oblasti (Bulharsko) s poznámkami k jejich rozšíření v nepůvodní oblasti v rámci toku Dunaje (cs)
skos:prefLabel
  • The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River
  • The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River (en)
  • Rozšíření a početnosti zástupců rodu Neogobius v jejich původní oblasti (Bulharsko) s poznámkami k jejich rozšíření v nepůvodní oblasti v rámci toku Dunaje (cs)
skos:notation
  • RIV/68081766:_____/08:00311305!RIV09-MSM-68081766
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LC522), Z(AV0Z60930519)
http://linked.open...iv/cisloPeriodika
  • 1-2
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
  • 363884
http://linked.open...ai/riv/idVysledku
  • RIV/68081766:_____/08:00311305
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Neogobius fishes; Danube River (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [0B17867BD39C]
http://linked.open...i/riv/nazevZdroje
  • Large Rivers
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
  • 18
http://linked.open...iv/tvurceVysledku
  • Polačik, Matej
  • Jurajda, Pavel
  • Janáč, Michal
  • Trichkova, T.
  • Vassilev, M.
  • Keckeis, H.
http://linked.open...n/vavai/riv/zamer
issn
  • 0945-3784
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