Vasily Vishnyakov

Vasily Vishnyakov
Russian Academy of Sciences | RAS · Papanin Institute of the Biology of Inland Waters

PhD

About

49
Publications
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155
Citations
Citations since 2016
31 Research Items
148 Citations
20162017201820192020202120220102030
20162017201820192020202120220102030
20162017201820192020202120220102030
20162017201820192020202120220102030
Introduction
Vasily Vishnyakov currently works at the Papanin Institute of the Biology of Inland Waters, Russian Academy of Sciences. Vasily does research in Phycology. Their current project is 'Charophytes (Charophyceae, Charales) of Eastern Europe, Western, Northern and Central Asia'.

Publications

Publications (49)
Article
This note describes a new record of Gomphonema firmum Skvortzow, which expanded both morphological and distributional ranges of the species. This conspicuous diatom was previously unknown outside of Lake Baikal, where it inhabits deep-water areas. The newly discovered locality belongs to a small stream at a distance of 180 km west from Lake Baikal,...
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As a result of the field studies (2019-2021), new data were obtained on the Vaucheria, a genus of yellow-green algae, of the Lake Baikal region. After the studying of 30 fertile specimens from new localities, most of them from close vicinities of Lake Baikal, we identified 10 species. The new records improve the species distributional ranges within...
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New records of 17 species Vaucheria, the genus of yellow-green algae, are reported from 12 administrative regions of European Russia: Vladimir, Volgograd, Voronezh, Kostroma, Lipetsk, Moscow, Nizhny Novgorod, Rostov, Tambov, Yaroslavl regions, Krasnodar Territory, and the Republic of Adygea. Comments are given on morphology of the studied specimens...
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The paper presents new data on the section Tubuligerae of the genus Vaucheria in Russia. The section is expanded by description of two new species, V. pseudaversa sp. nov. and V. megalaversa sp. nov. One neglected name, V. rostellata, is reinstated for the species widely known as V. aversa. In Russia, five species and one variety were identified, i...
Article
In July 2019, Vaucheria coronata Nordstedt, 1879, an algal species previously unknown in Russia, was collected in the intertidal zone of Kandalaksha Gulf, the White Sea. The new records significantly expand the range of the species in the Arctic Ocean.
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Asterosiphon dichotomus, a rare species of terrestrial macroalgae, was found in the European Russia in the Vologda, Voronezh and Yaroslavl regions. The new records of the species allowed to clarify its distributional range in Europe and amend morphological description in terms of the width of photosynthetic filaments.
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Vishnyakov V.S., Romanov R.E., Komarova A.S., Belyakov E.A., Moseev D.S., Churakova E.Yu., Czhobadze A.B., Philippov D.A. 2021. Novyye nakhodki kharovykh vodoroslej (Characeae) v Evropejskoj Rossii [New charophyte records (Characeae) in European Russia]. Botanicheskii Zhurnal. Vol. 106, №1. P. 61–76. DOI: 10.31857/S0006813621010117 (in Russian). Th...
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Spirogyra, Mougeotia, and Zygnema, the most species-rich genera of green filamentous algae family Zygnemataceae, are globally distributed. However, in many regions of the world, including the Lake Baikal region, they remain poorly studied taxonomically. The traditional species identification of zygnemataleans is based on the morphology of asexual a...
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The data on 63 records of 14 species of stoneworts from the genera Chara (8), Nitella (5) and Nitellopsis (1) in Belarus are presented. Of these, 13 species were collected by the authors during field observations from 2013 to 2019. The species distributions are critically analyzed based on data from literature, unpublished manuscripts and examinati...
Article
A survey of surficial bottom sediments of the Rybinsk reservoir on the Volga, one of the largest and highly regulated rivers in Europe, revealed unknown species of the genus Placoneis. Detailed morphological observation using light and scanning electron microscopes allowed to describe this as P. mologaensis sp. nov. The species is characterized by...
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This paper presents new data on the species of genus Vaucheria in Russia from analysis of original and museum collections. In total, 20 species were identified in 152 locations of 22 administrative regions of the European Russia, Western Siberia, and the Russian Far East. Vaucheria lii, a rare multiregional species new to Russia, has been found in...
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One of the rarest Vaucheria species, V. hercyniana, was first discovered in Russia in 2018. The species was found five times in Yaroslavl Region, the Upper Volga basin, where it prefers terrestrial and semi-terrestrial biotopes (drainage ditch with ephemeral waterbody and drying riverbeds). The morphology, nomenclature, sectional taxonomy and distr...
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Vaucheria medusa, a marine northern European species, was discovered on the southern shore of the Neva Bay in autumn 2017. The new locality appears to be unique in the Gulf of Finland, at a distance of 600 km from the nearest locations in the Baltic Sea. The known distribution of the species includes Sweden, Denmark, Germany, Norway, the Great Brit...
Article
Asterosiphon Dangeard (1940: 720) presents a monospecific genus of xanthophytes, which can be easily distinguished from other genera in having filamentous siphons and exclusively asexual reproduction. Asterosiphon species forms macroscopic rosette of a few millimeters in diameter consisting of green procumbent and dichotomously branched siphons whi...
Data
Appendix to: Vishnyakov V.S., Philippov D.A. 2018. Novye nakhodki kharovykh vodoroslej (Charales) na Evropejskom Severe Rossii [New records of charophytes (Charales) from the Northern European Russia]. Botanicheskii Zhurnal, 103(8): 1016–1031. DOI: 10.7868/S0006813618080070 (in Russian)
Article
This paper addresses the taxonomy and biogeography of the recently described diatom genus Petroplacus Pomazkina, Rodionova, Sherbakova & D.M. Williams and relates new information regarding the occurrence of Navicula platystoma var. pantocsekii Wislouch & Kolbe in deep-water benthos of the Rybinsk reservoir, the Upper Volga Region. The variety clear...
Article
Lake Baikal, the oldest lake in the world, is home to spectacular biodiversity and extraordinary levels of endemism. While many of the animal species flocks from Lake Baikal are famous examples of evolutionary radiations, the lake also includes a wide diversity of endemic algae that are not well investigated with regards to molecular‐biological tax...
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Vishnyakov V.S., Philippov D.A. 2018. Novye nakhodki kharovykh vodoroslej (Charales) na Evropejskom Severe Rossii [New records of charophytes (Charales) from the Northern European Russia]. Botanicheskii Zhurnal, 103(8): 1016–1031. DOI: 10.7868/S0006813618080070 (in Russian). Species diversity and distribution of charophytes in the Northern European...
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Heribaudiella fluviatilis (Aresch.) Svedel. presents the most frequently reported freshwater species of the brown algae, being known mostly from central and northern Europe and western North America with only a few locations in Asia, including those in Japan and China. The discovery of the new H. fluviatilis locations from small Olkha River draini...
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In this paper, the results of observation of some charophyte species protected in Narochanskiy National Park (Minsk Region, Myadzel district) are provided. In summer 2016, the lakes Naroch (Maly stretch), Rudakovo, Shestakovo, and small artificial pond near Romashki were investigated. Charophytes were occurred forming dense communities on sandy or...
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The new localities of six charophyte species have been found in Upper Volga basin based on our field sampling mostly during last years. It also allowed updating available data for two localities previously known. The genus Tolypella rep resented with T. prolifera has been reported in the region for the first time. The recent presence of Nitella syn...
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Vaucheria schleicheri is a widely distributed but relatively rare siphonous yellow-green alga with only a few dozen of reliable records from Western and Northern Europe, Greece, NW Russia, southern part of West Siberian Plain, Manchuria, Japan, several NE regions of North America, and Argentina. V. schleicheri was observed in four new localities in...
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A new diatom species was identified in the benthic communities of a rift ancient Hovsgol Lake (NW Mongolia). The valve morphology of the new species clearly corresponds with the Prestauroneis Bruder et Medlin genus concept. The species description was supported by LM and SEM investigations. Prestauroneis bondarenkoae sp. nova is charactrized by lan...
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Placoneis izhboldinae sp. nov. and P. edlundii sp. nov. are described from Lake Hovsgol (northwestern Mongolia) benthic communities using LM and SEM. Both new Mongolian taxa are characterized by alternately shorter and longer medium striae, presence of one stigma on central area, unilateral deflection of heteromorphic distal raphe fissures, and dem...
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Comprehensive hydrobiological investigations were carried out in summer and autumn 2012 in the delta of the Selenga River at the highest (for the recent 14 years) water level in the river. The study of microorganisms, phytoplankton, and benthic macroalgae made it possible to characterize the cultivated microbial community and algal flora of the del...
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Vaucheria birostris is a rare xanthophycean alga previously reported only from the Central Europe and NE China. New localities of the species in Russia belong to different terrestrial and semiaquatic ephemeral biotopes of the Angara River floodplain in the South Siberia. Morphology of thalli and gametangia from Siberian populations corresponds well...
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The valve morphology of taxa from the Cymbella cistula group from different water ecosystems of southern Siberia (Russia) and northwestern Mongolia is investigated. Two species with similar morphology, C. neocistula Krammer and C. nepalensis (Jüttner & Van de Vijver) Vishnjakov stat. nov., are found. C. nepalensis differs from C. neocistula by valv...
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Morphological descriptions of two new species of the genus Navicula Bory sensu str. are given. Navicula gannae Vishnjakov sp. nov. demonstrates relations to N. viridulacalcis Lange-Bertalot, and N. hangaica Vishnjakov, Kulikovskiy, Genkal & Dorofeyuk sp. nov. belongs to the species complex around N. menisculus Shumann — N. upsaliensis (Grunow) Pera...
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The role of chitin and its hydrolysis products generated by Vibrio cholerae chitinases in mechanisms of its adaptation in water environments, metabolism, preservation, acquisition of pathogenic potential, and its epidemiological value are reviewed. Chitin utilization by V. cholerae as a source of energy, carbon, and nitrogen is described. Chitin as...
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The comparative morphological characteristics of fragilaroid diatoms of genus Hannaea from lakes Baikal and Khubsugul, based on the results of light and electron microscopy, as well as new data on the study of type material H. baicalensis in a light microscope, are shown. New species H. hovsgolensis Vishnjakov, Kulikovskiy et Genkal from Khubsugul...
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Records of 10 species of stoneworts from the genera Chara (6 species), Nitella (3) and Nitellopsis (1) are presented for Yaroslavl Region. Chara braunii, Nitella flexilis and Nitellopsis obtusa were found in the region for the first time. Chara globularis and C. vulgaris are the most common species in waterbodies and watercourses of the region, the...
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As a result of long-term studies (2008-2013) of macroalgae of the littoral zone of the western bank of the southern part of Lake Baikal (the reaches of the Angara River - Listvennichny Bay), it has been found that species of the genus Spirogyra Link. dominate at the depths of 0.3-3.0 m in late summer and autumn. Previously species of this genus wer...
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The valve morphology of Gomphonema popovae Levadnaja was investigated on the base of original and collection materials from the Upper Yenissei, several rivers in the Southern Baikal region (East Sayan Mountains and the Selenga River) and lakes in NW Mongolia (Hovsgol, Terhiyn-Tsagan). The neotype of name G. popovae was designated because the type s...
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The morphology of the diatom genus Epithemia from ecosystems of Central Asia (Russia and Mongolia) is studied. It is shown that in the studied ecosystems there are species with local or endemic distribution, like in Lake Baikal, and taxa known from the Holarctic. Original morphological descriptions and pictures of 13 taxa are given. Three new taxa...
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The general range of a rare endangered stenotopic species Chara strigosa A. Braun (Streptophyta: Charales) is outlined and all its localities in Russia are listed. Its new localities were found in the northern part of the Far East, Eastern Siberia, Altay, central part of East-European Plain and south-eastern Fennoscandia. They significantly refine...
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В настоящем обзоре представлены литературные данные, отражающие определяющую роль поверхностных водоемов с компонентами экосистем, существенно влияющих на основные эндемические и эпидемические проявления холеры, в экологии вибриона эльтор. Несмотря на то, что поверхностные водоемы признаны Комитетом экспертов ВОЗ (1968) самостоятельной заражающей с...
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The species of Tolypella (A. Braun) A. Braun was found for the first time from Republic of Buryatia (Lake Baikal basin). The locality of T. prolifera (A. Braun) Leonh. is timed to the little reservoir in the upper part of Selenga River delta. The species was found in the multispecies cenosis with flowering aquatic plants and macro-scopic algae in J...
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A second contribution of the series focuses on the ecology of accumulated material on the splash zone of Lake Baikal. Accumulated detritus material, natural for Lake Baikal ecosystem, is mostly analyzed. Preliminary results of interdisciplinary studies on various processes and interactions of the natural accumulated material (macrophytes or their r...
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A list of macroalgae from Bol’shye Koty and Listvenichny bays is presented based on original research and published data. The list includes information on the distribution of 42 algal species, 2 of them, Hydrurus foetidus (Vill.) Kirchn., Spirogyra sp. ster., were found in Bol’shye Koty Bay for the first time. Some aspects of biogeography of severa...

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Projects (5)
Project
The project generates information on biodiversity (plants, fungi, vertebrates and invertebrates, protists) of different types of mires and their hydrographic network. Separate attention is paid to the issues of protection, rare and vulnerable species. The study area includes the taiga zone of the European North of Russia, especially the Vologda and Arkhangelsk Regions. В рамках проекта генерируется информация о биоразнообразии (растения, грибы, позвоночные и беспозвоночные животные, протисты) разных типов болот и их гидрографической сети. Отдельно внимание уделено вопросам охраны, редким и уязвимым видам. Район исследования включает таёжную зону Европейского Севера России, в особенности Вологодскую и Архангельскую области.
Project
Vaucheria de Candolle presents a relatively large genus of yellow-green algae common in different aquatic, semiaquatic and moist terrestrial habitats worldwide. In Russia, the Vaucheria studies were intensified only recently. Many issues of precise taxa identification, taxonomic affinities and species distribution are need to be resolved during comprehensive studies. This research was partly supported by Russian Foundation for Basic Research, project no. 16-34-01139.