The algal flora of the River Bodrog

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Algological research on the Bodrog river system has been carried out mostly by the Tisza Research Group of the Hungarian Academy of Sciences. The most detailed analysis of the algae of the River Bodrog has been carried out by GÁBOR UHERKOVICH during his phytoplankton research, as part of his nearly 15-year Tisza research activity. The first detailed algological results were published by SZABADOS, taken samples from tributaries including the River Bodrog. She found rich algal flora especially in the latter. The most extensive published material can be found in the works of UHERKOVICH, who not only investigated the algal flora of the Bodrog, but also that of the tributaries of the Bodrog. He analysed the species composition, abundance ratios, and beside a general characterisation, also provided saprobiological quality analysis. One of the publications about the detailed hydrobiological analysis of the Sárospatak-Végardó oxbow of the River Bodrog presents a detailed algological species list of the oxbow by DÉVAI et al. KISS and SZABÓ took phytoplankton samples from the mouth of River Bodrog. DOBLER and KOVÁCS carried out detailed diatom studies from River Bodrog sediment. Recent data published by KISS et al is contained here in this paper. Altogether 342 taxa were found in the main arm and tributaries (including oxbows and inundation area). The quantitative composition of the Bodrog's phytoplankton resembles that of eutrophic rivers of Hungary in several respects. During the floods it is poor in phytoplankton, but can be rich in low water periods with high abundance of centric diatoms and chlorococcal algae. 33 taxa were found in the Bodrog and its tributaries that are valuable or potentially valuable from a nature conservation perspective.

Original languageEnglish
Pages (from-to)99-124
Number of pages26
JournalThaiszia Journal of Botany
Issue numberSUPPL. 1
Publication statusPublished - Dec 1 2009


  • Algal flora
  • Nature conservation
  • Quantitative composition
  • River Bodrog

ASJC Scopus subject areas

  • Plant Science

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