About: Biometry and ecology of the invasive crayfish Orconectes limosus in terminal and residential localities in the Czech Republic     Goto   Sponge   NotDistinct   Permalink

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Description
  • Byly vybrány 3 tyky lokalit: 1. Velké řeky, rezidenční (Labe, Vltava); 2. Potoky (malé a mělké tekoucí vody), marginální; 3. Izolované stojaté vody, rezidenční (starší zaplavené pískovny a lomy). Nebyl zjištěn významný rozdíl v délce těla u raků z tekoucích a stojatých vod, nebo u rezidenčních a marginálních lokalit v tekoucích vodách. Malý, ale určitý rozdíl byl s hmotnosti těl mezi raky z potoků a jiných vod. Větší jedinci (do 117 mm délky těla) byli odloveni v izolovaných stojatých vodách, zatímco žádný rak z větších řek nebyl delší než 100 mm. Poměr pohlaví raků byl poměrně shodný v řekách a izolovaných vodách; samci byli početně hojn (cs)
  • We selected three types of localities: 1.Large rivers, residential (Labe, Vltava); 2. Brooks (small and shallow running waters), marginal; 3. Isolated standing waters ? residential (old sandpits or flooded quarries). No significant differences in the total body length of crayfish were found between running and standing water localities as a whole, or between marginal and residential populations from running waters. There was, however, a low but distinct difference in the body weight between crayfish from brooks and other waters. Larger specimens (up to 117 mm in body length) were found only in isolated standing waters, whereas no crayfish longer than 100 mm were found in the rivers. The sex ratio of the crayfish was almost equal in rivers and isolated waters; males were more numerous in brooks. There was a significant difference between male and female body weight-length relations.
  • We selected three types of localities: 1.Large rivers, residential (Labe, Vltava); 2. Brooks (small and shallow running waters), marginal; 3. Isolated standing waters ? residential (old sandpits or flooded quarries). No significant differences in the total body length of crayfish were found between running and standing water localities as a whole, or between marginal and residential populations from running waters. There was, however, a low but distinct difference in the body weight between crayfish from brooks and other waters. Larger specimens (up to 117 mm in body length) were found only in isolated standing waters, whereas no crayfish longer than 100 mm were found in the rivers. The sex ratio of the crayfish was almost equal in rivers and isolated waters; males were more numerous in brooks. There was a significant difference between male and female body weight-length relations. (en)
Title
  • Biometry and ecology of the invasive crayfish Orconectes limosus in terminal and residential localities in the Czech Republic
  • Bometrie a ekologie invazivního raka Orcoectes limosus v České republice (cs)
  • Biometry and ecology of the invasive crayfish Orconectes limosus in terminal and residential localities in the Czech Republic (en)
skos:prefLabel
  • Biometry and ecology of the invasive crayfish Orconectes limosus in terminal and residential localities in the Czech Republic
  • Bometrie a ekologie invazivního raka Orcoectes limosus v České republice (cs)
  • Biometry and ecology of the invasive crayfish Orconectes limosus in terminal and residential localities in the Czech Republic (en)
skos:notation
  • RIV/61988987:17310/06:00000220!RIV07-GA0-17310___
http://linked.open.../vavai/riv/strany
  • 1215
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA206/03/0532)
http://linked.open...iv/cisloPeriodika
  • 0
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
  • 467105
http://linked.open...ai/riv/idVysledku
  • RIV/61988987:17310/06:00000220
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Orconectes limosus; Czech Republic; biometry; ecology; populations (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • FR - Francouzská republika
http://linked.open...ontrolniKodProRIV
  • [5F3CCE15971E]
http://linked.open...i/riv/nazevZdroje
  • Bulletin Francais de la Peche et de la Pisciculture
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
  • 380-381
http://linked.open...iv/tvurceVysledku
  • Kozák, Pavel
  • Drozd, Pavel
  • Policar, Tomáš
  • Horká, Ivona
  • Ďuriš, Zdeněk
issn
  • 0767-2861
number of pages
http://localhost/t...ganizacniJednotka
  • 17310
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