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Abstract <p>One hundred and thirty-six taxa of diatoms from 49 genera, including ten taxa from eight genera, which are new species for the flora of Russia, and 31 taxa identified only to the genus level, have been found in the phytoplankton of rivers and streams of the “Krasnoyarsk Pillars” Natural Park using scanning electron microscopy. The maximum number of taxa for the Mana River has been identified for the genera <i>Nitzschia</i> (8), <i>Gomphonema</i> (9), and <i>Navicula</i> (13); a similar pattern has been observed in the Bazaikha River: <i>Nitzschia</i> (4), <i>Gomphonema</i> (5), and Navicula (12). The species composition of diatoms in the Mana and Bazaikha rivers has been significantly expanded at both the species and generic levels, from 32 species of 19 genera to 96 species of 37 genera and from 24 species of 15 genera to 62 species of 28 genera, respectively.</p>

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Diatoms of the Streams of the “Krasnoyarsk Pillars” National Park

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • S. I. Genkal,
  • K. A. Eichwald,
  • O. P. Bazhenova

摘要

Abstract

One hundred and thirty-six taxa of diatoms from 49 genera, including ten taxa from eight genera, which are new species for the flora of Russia, and 31 taxa identified only to the genus level, have been found in the phytoplankton of rivers and streams of the “Krasnoyarsk Pillars” Natural Park using scanning electron microscopy. The maximum number of taxa for the Mana River has been identified for the genera Nitzschia (8), Gomphonema (9), and Navicula (13); a similar pattern has been observed in the Bazaikha River: Nitzschia (4), Gomphonema (5), and Navicula (12). The species composition of diatoms in the Mana and Bazaikha rivers has been significantly expanded at both the species and generic levels, from 32 species of 19 genera to 96 species of 37 genera and from 24 species of 15 genera to 62 species of 28 genera, respectively.