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Centric Diatoms (Coscinodiscaceae) from the Ob River, Russia

  • PHYTOPLANKTON, PHYTOBENTHOS, PHYTOPERIPHYTON
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Abstract

Twenty-three species and forms of centric diatoms from the genera Aulacoseira, Cyclostephanos, Cyclotella, Discostella, Minidiscus, Shionodiscus, Skeletonema, Stephanodiscus, and Thalassiosira, including a number of those new for the flora of the Ob River (Aulacoseira pusilla, Minidiscus proschkinae, and Stephanodiscus hashiensis), have been revealed by scanning electron microscopy. The species list of this group of algae is revised taking into account modern ideas about the systematic position of individual species, varieties, and forms. Ten taxa are brought into synonymy and 12 taxa are transferred to other genera. The updated species list includes 45 species, varieties, and forms belonging to 19 genera.

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ACKNOWLEDGMENTS

We thank R.M. Gogorev (Komarov Botanical Institute, Russian Academy of Sciences) for advice on nomenclature issues.

Funding

This work was carried out as part of State Task no. 121051100099-5 and with financial support from the government of Tyumen oblast (a project of the West Siberian Interregional Scientific and Educational Center, no. 89-DON (2)).

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Authors and Affiliations

  1. Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Nekouzskii raion, Yaroslavl oblast, Russia

    S. I. Genkal & A. N. Sharov

  2. AquaBioSafe, Tyumen State University, Tyumen, Russia

    A. N. Sharov

Authors
  1. S. I. Genkal
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  2. A. N. Sharov
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Correspondence to S. I. Genkal.

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Statement on the welfare of animals. This article does not contain any studies involving animals or human participants performed by any of the authors.

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Translated by D. Martynova

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Genkal, S.I., Sharov, A.N. Centric Diatoms (Coscinodiscaceae) from the Ob River, Russia. Inland Water Biol 15, 566–572 (2022). https://doi.org/10.1134/S1995082922050078

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  • DOI: https://doi.org/10.1134/S1995082922050078

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