Stir-up effect of wind on a more-or-less stratified shallow lake phytoplankton community, Lake Balaton, Hungary

J. Padisák, László G.-Tóth, Miklós Rajczy

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Microstratification of phytoplankton in the large shallow Lake Balaton (Hungary) was studied during a 24 h period. Dissolved O2 showed biological stratification; flagellates exhibited a definite circadian rhythm. In the middle of the investigation a heavy storm broke out which was followed by the disappearance of differences between different layers of water. Storm-induced destratification is described by cluster-analysis. Abundances of dominant species changed differently in connection with the storm. Numbers of Nitzschia sp. increased due to stirring up from the sediment surface. Numbers of single-celled or colony-forming species (Cyclotella comta, Crucigenia quadrata, Coelosphaerium kuetzingianum) practically did not change. Numbers of all the three dominant filamentous species (Aphanizomenon fos-aquae f. klebahnii, Lyngbya limnetica, Planctonema lauterbornii) significantly decreased, which might be attributed to an unknown loss process and was followed by a competitive displacement by algae of small cell size.

Original languageEnglish
Pages (from-to)249-254
Number of pages6
JournalHydrobiologia
Volume191
Issue number1
DOIs
Publication statusPublished - Feb 1990

Fingerprint

Phytoplankton
Hungary
Lakes
phytoplankton
algae
lakes
Crucigenia
lake
competitive displacement
Lyngbya
Aphanizomenon
Cyclotella
circadian rhythm
Nitzschia
Cluster analysis
flagellate
Algae
cluster analysis
Sediments
stratification

Keywords

  • filamentous algae
  • loss processes
  • mixing
  • phytoplankton
  • seasonal succession
  • shallow lakes
  • short-term changes

ASJC Scopus subject areas

  • Water Science and Technology
  • Pollution
  • Environmental Science(all)
  • Oceanography
  • Aquatic Science

Cite this

Stir-up effect of wind on a more-or-less stratified shallow lake phytoplankton community, Lake Balaton, Hungary. / Padisák, J.; G.-Tóth, László; Rajczy, Miklós.

In: Hydrobiologia, Vol. 191, No. 1, 02.1990, p. 249-254.

Research output: Contribution to journalArticle

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