About: Diversity and toxin content of cyanobacteria in fish ponds (South Moravia, Czech republic) related to fischery management intensity.     Goto   Sponge   NotDistinct   Permalink

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  • During the vegetative period of the year 2005 (June-October) we carried out hydrobiological and hydrochemical monitoring of selected ponds inhered in Southern Moravia in relation to different fishery management intensities. Water temperature, dissolved oxygen content, pH, conductivity and water transparency were monitored directly at taking place, N-NH4+, N-NO2-, N-NO3-, P-PO43- content and chlorophyll-a concentration were measured in hydrochemical laboratory. At the same time, water samples for taxonomical analyses of phytoplankton and assessment of toxin content of cyanobacteria were taken. All ponds were characterized by low water transparency, high values of pH, N-NH4+, P-PO43- and high chlorophyll a concentration. We detected maximum concentration of 18.7 ug.l-1 microcystins in ponds dominated by the species Microcystis aeruginosa. Total microcystin concentration in water of all ponds with dominance of pikoplanktonic cyanobacteria were below detection limit (LOD 0.125 ug.l-1). The dominance of cy
  • During the vegetative period of the year 2005 (June-October) we carried out hydrobiological and hydrochemical monitoring of selected ponds inhered in Southern Moravia in relation to different fishery management intensities. Water temperature, dissolved oxygen content, pH, conductivity and water transparency were monitored directly at taking place, N-NH4+, N-NO2-, N-NO3-, P-PO43- content and chlorophyll-a concentration were measured in hydrochemical laboratory. At the same time, water samples for taxonomical analyses of phytoplankton and assessment of toxin content of cyanobacteria were taken. All ponds were characterized by low water transparency, high values of pH, N-NH4+, P-PO43- and high chlorophyll a concentration. We detected maximum concentration of 18.7 ug.l-1 microcystins in ponds dominated by the species Microcystis aeruginosa. Total microcystin concentration in water of all ponds with dominance of pikoplanktonic cyanobacteria were below detection limit (LOD 0.125 ug.l-1). The dominance of cy (en)
  • Složení a toxicita sinic rybníků jižní Moravy v závislosti na intenzitě rybářského hospodaření. Během vegetačního období roku 2005 (červen-říjen) probíhal monitoring devíti rybníků jižní Moravy. Rybníky byly vybrány v závislosti na intenzitě hospodaření s rybí produkcí od 100 do 1500 kg.ha-1. Sledovali jsme základní fyzikálně-chemické parametry vody (teplota vody, pH, rozpuštěný kyslík, vodivost, průhlednost, N-NH4+, N-NO2-, N-NO3-, P-PO43-), chlorofyl a, koncentraci microcystinů a složení fytoplanktonu. Všechny rybníky byly charakterizovány nízkou průhledností, vysokou hodnotou pH, amoniakálního dusíku, fosforečnanů a vysokou koncentrací hodnot chlorofylu a. Koncentrace rozpuštěného kyslíku výrazně kolísala především u rybníků s nízkou hustotou rybí obsádky, ale nejnižší hodnoty nasycení byly zjišťovány u rybníků s nejvyšší hustotou obsádky ryb. Ostatní sledované parametry nevykazovaly výraznější rozdíly mezi jednotlivými rybníky, mimo hodnot vodivosti, které závisely především na obsahu solí v sedim (cs)
Title
  • Diversity and toxin content of cyanobacteria in fish ponds (South Moravia, Czech republic) related to fischery management intensity.
  • Rozmanitost a obsah toxinů cyanobakterií v rybnících (Jižní Morava, Česká republika) v závislosti na intenzitě rybářského využití. (cs)
  • Diversity and toxin content of cyanobacteria in fish ponds (South Moravia, Czech republic) related to fischery management intensity. (en)
skos:prefLabel
  • Diversity and toxin content of cyanobacteria in fish ponds (South Moravia, Czech republic) related to fischery management intensity.
  • Rozmanitost a obsah toxinů cyanobakterií v rybnících (Jižní Morava, Česká republika) v závislosti na intenzitě rybářského využití. (cs)
  • Diversity and toxin content of cyanobacteria in fish ponds (South Moravia, Czech republic) related to fischery management intensity. (en)
skos:notation
  • RIV/62157124:16270/08:00001759!RIV09-MSM-16270___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6215712402)
http://linked.open...iv/cisloPeriodika
  • 5
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
  • 363965
http://linked.open...ai/riv/idVysledku
  • RIV/62157124:16270/08:00001759
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Cyanobactery; pounds; fishery management; microcystins (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [0CB657E83B84]
http://linked.open...i/riv/nazevZdroje
  • Acta universitas agriculturae et silviculturae Mendelinae Brunensis
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 56
http://linked.open...iv/tvurceVysledku
  • Kopp, Radovan
  • Mareš, Jan
  • Adamovský, Ondřej
  • Navrátil, Stanislav
  • Palíková, Miroslava
  • Ziková, Alena
http://linked.open...n/vavai/riv/zamer
issn
  • 1211-8516
number of pages
http://localhost/t...ganizacniJednotka
  • 16270
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