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A study of the spectral brightness and reflectance of the Krasnoyarsk and Dnepr reservoir systems / A. F. Sid'ko // Oceanology. - 2005. - Vol. 45, Is. 2. - P186-193 . - ISSN 0001-4370
Кл.слова (ненормированные):
alga -- brightness temperature -- phytoplankton -- remote sensing -- reservoir -- spectral reflectance -- Dneprodzerzhinsk Reservoir -- Eastern Europe -- Eastern Hemisphere -- Eurasia -- Europe -- Krasnoyarsk [Russian Federation] -- Russian Federation -- Ukraine -- World -- algae -- Bacillariophyta -- Chlorophyta -- Cyanobacteria -- Dinophyceae -- Protococcus -- uncultured cyanobacterium
Аннотация: The brightness spectra of the Krasnoyarsk and Dnepr reservoir systems are presented for various periods of their development, from the beginning of their filling to the final stage of their formation. The curves of the surface distribution of chlorophyll a, which were remotely obtained from the brightness coefficient spectra, are found to be monotonic when diatomaceous, green protococcus, and dinophyte algae dominate in the phytoplankton. In the presence of blue-green algae, the curve of the distribution of phytoplankton on the surface is essentially irregular. The irregularities range from tens to hundreds of meters with sharp gradients of the phytoplankton concentration. The negative values of the VI color index change for positive ones when the concentration of chlorophyll a of the phytoplankton in the subsurface layer Cchl > 250-270 mg/m3. This is associated with the change in the species composition of the phytoplankton from the dominating diatom forms to bluegreen algae. Copyright В© 2005 by Pleiades Publishing, Inc.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sid'ko, A.F.

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Advances in the use of molecular tools in ecological and biodiversity assessment of aquatic ecosystems / M. J. Feio, A. F. Filipe, A. Garcia-Raventos [et al.] // Limnetica. - 2020. - Vol. 39: 19th Congress of the Iberian-Association-of-Limnology (AIL) (JUN 24-29, 2018, Coimbra, PORTUGAL), Is. 1. - P419-440, DOI 10.23818/limn.39.27. - Cited References:92. - We are grateful to all participants of the special session "The use of molecular tools in ecological and biodiversity assessment of aquatic ecosystems" for the productive discussions during the AIL 2018 meeting (XIX Iberian Association of Limnology meeting in Coimbra (Portugal, June 2018). M.J. Feio is supported by MARE strategic program (UID/MAR/04292/2013); SFP Almeida is supported by GeoBioTec strategic program UID/GEO/04035/2019. R. Cordeiro was supported by a Ph.D. Grant (M3.1.a/F/017/2011) from Fundo Regional da Ciencia e Tecnologia (FRCT); A.F. Filipe and A. Garcia-Raventos were supported by FRESHING Project "Next-generation biomonitoring: freshwater bioassessment and species conservation improved with metagenomics" funded by the Portuguese Foundation for Science and Technology (FCT) and COMPETE (PTDC/AAG-MAA/2261/2014 -POCI-01-0145-FEDER-356 016824); F.M.S. Martins was supported by a FCT PhD grant (SFRH/BD/104703/2014); A.R. Calapez was supported by a grant from the FCT-PhD programme FLUVIO (PD\BD\52510\2014); A.M. Pujante acknowledges the BIOWAT-KIT_E!11892 Eurostars project; Maria Fais and Sofia Duarte were supported, respectively, by a PhD (SFRH/BD/113547/2015) and a post-doc fellowship (SFRH/BPD/109842/2015), from FCT; and C. Murria acknowledges the Fundacio Aigues de Barcelona for funding his research. . - ISSN 0213-8409. - ISSN 1989-1806

РУБ Limnology + Marine & Freshwater Biology
Рубрики:
BARCODE REFERENCE LIBRARY
METABARCODING APPROACH
RAPID ASSESSMENT
Кл.слова (ненормированные):
eDNA -- metabarcoding -- conservation -- ecological quality -- species -- detection -- rivers -- lakes -- thermal springs -- estuaries -- lagoons
Аннотация: Conservation and sustainable management of aquatic ecosystems is a priority in environmental programs worldwide. However, these aims are highly dependent on the efficiency, accuracy and cost of existent methods for the detection of keystone species and monitoring of biological communities. Rapid advances in eDNA, barcoding and metabarcoding promoted by high-throughput sequencing technologies are generating millions of sequences in a fast way, with a promising cost reduction, and overcoming some difficulties of the traditional taxonomic approaches. This paper provides an updated broad perspective of the current developments in this dynamic field presented in the special session (SS) "The use of molecular tools in ecological and biodiversity assessment of aquatic ecosystems" of the XIX Congress of the Iberian Association of Limnology (AIL2018), held in Coimbra, Portugal. Developments presented are mainly focused on the Iberian Peninsula (Portugal and Spain, including Atlantic Macaronesian islands) but include studies in France, Germany, Finland, Russia (Siberia) and South America. The networks within which these researchers are involved are yet even broader, profiting from existing molecular facilities, and traditional taxonomic expertise, which can be viewed as a characteristic of this new research area. It was evident in the SS that the use of molecular tools is widespread, being used to study a diversity of aquatic systems, from rivers' headwaters to estuaries and coastal lagoons, and volcanic, mountain and frozen lakes to hot springs. The organisms targeted are likewise varied and include fish, macroinvertebrates, meiofauna, microalgae such as diatoms and dinoflagellates, other protists, fungi, and bacteria (cyanobacteria and other). Some studies address the whole biodiversity (i.e., all species present independently of the taxonomic group) from environmental samples of water, biofilms and preservative solution from field samples (e.g., ethanol from macroinvertebrate samples). Great advances were acknowledged in the special session, namely in the use of metabarcoding for detecting hidden biodiversity, juvenile stages, low-abundance species, non-indigenous species and toxicity potential, and ultimately for ecological monitoring of diatoms and invertebrates. Yet, several drawbacks were highlighted and need further work, which include: taxonomic gaps in the reference databases (including gaps at species level and on intraspecific variability) or absence of public databases (e.g. for meiofauna), still high sequencing costs, the need of a substantial bioinformatics effort, difficulties in establishing the amount of environmental sample necessary for a good DNA extraction and the need for testing different genetic markers to obtain accurate results.

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Держатели документа:
Marine & Environm Sci Ctr MARE, Coimbra, Portugal.
Univ Coimbra, Fac Sci & Technol, Dept Life Sci, Coimbra, Portugal.
Univ Porto, CIBIO InBio, Ctr Invest Biodiversidade & Recursos Genet, Campus Vairdo,Vila Conde, Porto, Portugal.
Univ Lisbon, Inst Super Agron, Ctr Invest Biodiversidade & Recursos Genet, CIBIO InBio, Lisbon, Portugal.
Univ Oviedo, Dept Funct Biol, C Julian Claveria S-N, E-33006 Oviedo, Spain.
Univ Lisbon, Sch Agr, Linking Landscape Environm Agr & Food LEAF, Lisbon, Portugal.
Labs Tecnol Levante SL, Avda Benjamin Franklin 16, Valencia 46980, Spain.
Univ Aveiro, Dept Biol & GeoBioTec GeoBioSci, GeoTechnol & GeoEngn Res Ctr, Campus Santiago, P-3810193 Aveiro, Portugal.
Univ Barcelona, Grup Recerca Freshwater Ecol Hydrol & Management, Avinguda Diagonal 643, E-08028 Barcelona, Spain.
Univ Barcelona, Inst Recerca Biodiversitat IRBio, Dept Biol Evolut Ecol & Ciencies Ambientals, Fac Biol, Avinguda Diagonal 643, E-08028 Barcelona, Spain.
Siberian Fed Univ, Fac Biol & Biotechnol, Dept Aquat & Terr Ecosyst, Svobodnyy 79, Krasnoyarsk 660041, Russia.
Univ Porto, Dept Biol, Fac Ciencias, Porto, Portugal.
Univ Minho, Ctr Mol & Environm Biol CBMA, Dept Biol, Campus Gualtar, P-4710057 Braga, Portugal.
Univ Cantabria, Environm Hydraul Inst, C Isabel Torres 15, Santander 39011, Spain.
Univ Acores, InBIO Lab Associado, Ctr Invest Biodiversidade & Recursos Genet, CIBIO,Fac Ciencias & Tecnol, P-9501801 Ponta Delgada, Portugal.
Univ Savoie Mt Blanc, INRA, CARRTEL, 75 Av Corzent, F-74200 Thonon Les Bains, France.
Univ Oulu, Dept Ecol & Genet, Stream Ecol Res Grp, Oulu, Finland.
CSIC, Natl Museum Nat Sci, Spanish Natl Res Council, Calle Jose Gutierrez Abascal 2, E-28006 Madrid, Spain.
Allgenetics, Edificio CICA,Campus Elvilia S-N, E-15008 La Coruna, Spain.
FAUNATICA, Kutojantie 11, Espoo, Finland.
Res Inst Ecosyst Anal & Assessment, Kackertstr 10, D-52072 Aachen, Germany.
Russian Acad Sci BI SB RAN, Biophys Inst, Siberian Branch, 50 Akad Gorodok,Str 50, Krasnoyarsk 660036, Russia.
Univ Perpignan, EPHE UPVD CNRS, 52 Ave Paul Alduy, F-66860 Perpignan, France.
CRIOBE, Lab Excellence Corail, BP 1013, Moorea, French Polynesi, France.

Доп.точки доступа:
Feio, Maria Joao; Filipe, Ana Filipa; Garcia-Raventos, Aina; Ardura, Alba; Calapez, Ana Raquel; Pujante, Ana Maria; Mortagua, Andreia; Murria, Cesc; Diaz-de-Quijano, Daniel; Martins, Filipa M. S.; Duarte, Sofia; Bariain, Marta Sainz; Cordeiro, Rita; Rivera, Sinziana F.; Vaisanen, Leif O. S.; Fonseca, Amelia; Goncalves, Vitor; Garcia-Vazquez, Eva; Rodriguez, David Vieites; Ivanova, Elena A.; Costa, Filipe O.; Barquin, Jose; Rojo, Veronica; Vierna, Joaquin; Fais, Maria; Suarez, Marcos; Nieminen, Marko; Hammers-Wirtz, Monica; Kolmakova, Olesia, V; Trusova, Maria Y.; Beja, Pedro; Gonzalez, Raquel; Planes, Serge; Almeida, Salome F. P.; MARE strategic program [UID/MAR/04292/2013]; GeoBioTec strategic program [UID/GEO/04035/2019]; Fundo Regional da Ciencia e Tecnologia (FRCT) [M3.1.a/F/017/2011]; FRESHING Project "Next-generation biomonitoring: freshwater bioassessment and species conservation improved with metagenomics" - Portuguese Foundation for Science and Technology (FCT); COMPETE [PTDC/AAG-MAA/2261/2014 -POCI-01-0145-FEDER-356 016824]; FCTPortuguese Foundation for Science and Technology [SFRH/BD/104703/2014, SFRH/BD/113547/2015, SFRH/BPD/109842/2015]; FCT-PhD programme FLUVIO [PD\BD\52510\2014]; Eurostars project [BIOWAT-KIT_E!11892]; Fundacio Aigues de Barcelona

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Amino acid composition of epilithic biofilm and benthic animals in a large Siberian river / A. A. Kolmakova [et al.] // Freshwater Biology. - 2013. - Vol. 58, Is. 10. - P2180-2195, DOI 10.1111/fwb.12200 . - ISSN 0046-5070
Кл.слова (ненормированные):
Amino acids -- Epilithic microalgae and cyanobacteria -- Nutritive quality -- River ecosystem -- Zoobenthos
Аннотация: We studied amino acid (AA) composition of epilithic biofilms and zoobenthos near the shore at a middle section of the Yenisei River (Siberia, Russia). We hypothesised that there was an imbalance between the composition and content of amino acids in the biofilm and its consumers, the zoobenthos, as well as between those in the zoobenthos and fish. Based on monthly sampling from 2007 to 2010, there was seasonal variation in AA profiles in the epilithic biofilms, probably caused by the succession of microalgal and cyanobacterial species. Overall, there was an imbalance in the percentage of the essential amino acids (lysine and histidine) between benthic animals and their food (the epilithic biofilm), which suggests that benthic animals may be limited by food quality. Moreover, the zoobenthos had a significantly higher content of AA, relative to carbon, than the biofilm. Based on sampling in 2012, there was an imbalance between the AA profiles of zoobenthos and that of their main consumer, the Siberian grayling (Thymallus arcticus), particularly in the percentages of two essential amino acids, lysine and leucine. In terms of overall content of essential amino acids, the nutritional value to fish of gammarids, which have recently invaded the river, was significantly lower than that of indigenous taxa, trichopteran and chironomid larvae. В© 2013 John Wiley & Sons Ltd.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Science, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kolmakova, A.A.; Gladyshev, M.I.; Kalachova, G.S.; Kravchuk, E.S.; Ivanova, E.A.; Sushchik, N.N.

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Amino Acid Composition of Green Microalgae and Diatoms, Cyanobacteria, and Zooplankton (Review) / A. A. Kolmakova, V. I. Kolmakov // Inland Water Biol. - 2019. - Vol. 12, Is. 4. - P452-461, DOI 10.1134/S1995082919040060. - Cited References:72. - State task of the basic research program of the Russian Federation, topic number VI.51.S. . - ISSN 1995-0829. - ISSN 1995-0837

РУБ Marine & Freshwater Biology
Рубрики:
BIOCHEMICAL-COMPOSITION
PROTEIN-CONTENT
CRUSTACEAN ZOOPLANKTON
Кл.слова (ненормированные):
amino acids -- microalgae -- Cyanobacteria -- zooplankton -- aquatic ecosystem
Аннотация: We have reviewed foreign and domestic literature devoted to the study of the amino acid (AA) composition of aquatic organisms representing major groups of producers (green microalgae and diatoms, and cyanobacteria) and primary consumers (zooplankton). Based on published data, we estimate the composition of essential and nonessential AAs of microalgae, cyanobacteria, and zooplankton and determine their differences. It is concluded that the AA composition of major groups of plankton is heterogeneous. The role of AAs as a limiting factor for the development of herbivorous zooplankton is discussed. The prospects and the need for further study of AA composition in order to develop a complete theory of functioning of aquatic ecosystems have been demonstrated.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Kolmakova, A. A.; Kolmakov, V., I; State task of the basic research program of the Russian Federation [VI.51.S]

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Amino Acid Composition of Green Microalgae and Diatoms, Cyanobacteria, and Zooplankton (Review) / A. A. Kolmakova, V. I. Kolmakov // Inland Water Biol. - 2019. - Vol. 12, Is. 4. - P452-461, DOI 10.1134/S1995082919040060 . - ISSN 1995-0829
Кл.слова (ненормированные):
amino acids -- aquatic ecosystem -- Cyanobacteria -- microalgae -- zooplankton -- Bacillariophyta -- Cyanobacteria
Аннотация: Abstract: We have reviewed foreign and domestic literature devoted to the study of the amino acid (AA) composition of aquatic organisms representing major groups of producers (green microalgae and diatoms, and cyanobacteria) and primary consumers (zooplankton). Based on published data, we estimate the composition of essential and nonessential AAs of microalgae, cyanobacteria, and zooplankton and determine their differences. It is concluded that the AA composition of major groups of plankton is heterogeneous. The role of AAs as a limiting factor for the development of herbivorous zooplankton is discussed. The prospects and the need for further study of AA composition in order to develop a complete theory of functioning of aquatic ecosystems have been demonstrated. © 2019, Pleiades Publishing, Ltd.

Scopus,
Смотреть статью
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Kolmakova, A. A.; Kolmakov, V. I.

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Analysis of fatty acid composition revealed differences in the diets of tadpoles of two amphibian species / Y. Y. Dgebuadze [et al.] // Dokl. Biochem. Biophys. - 2017. - Vol. 472, Is. 1. - P31-34, DOI 10.1134/S1607672917010082. - Cited References:15. - This study was supported by the State task within the framework of the basic research program of the Russian Federation (subject no. 51.1.1), the Grant Council of the President of the Russian Federation for State Support of Leading Scientific Schools (project no. NSh-9249.2016.5), and partly by the Russian Foundation for Basic Research (project nos. 16-04-01248 and 16-34-00119 mol_a). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
ECOLOGY
Аннотация: The study of the composition of fatty acid markers of tadpoles of cohabiting amphibian species for the first time revealed differences in their diets: the moor frog Rana arvalis prefers bacteria not associated with plant detritus, whereas the diet of the common spadefoot Pelobates fuscus is based on cyanobacteria, green algae, diatoms, and possibly higher plants. Major differences in the fatty acid composition are determined by the difference in the percentage of eicosapentaenoic and myristic acids.

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Scopus
Держатели документа:
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Privolzhskaya Lesostep State Nat Reserve, Penza, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Dgebuadze, Yu. Yu.; Sushchik, N. N.; Bashinskiy, I. V.; Makhutova, O. N.; Kalacheva, G. S.; Osipov, V. V.; Gladyshev, M. I.; basic research program of the Russian Federation [51.1.1]; Grant Council of the President of the Russian Federation for State Support of Leading Scientific Schools [NSh-9249.2016.5]; Russian Foundation for Basic Research [16-04-01248, 16-34-00119 mol_a]

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Associating particulate essential fatty acids of the ?3 family with phytoplankton species composition in a Siberian reservoir / N. N. Sushchik [et al.] // Freshwater Biology. - 2004. - Vol. 49, Is. 9. - P1206-1219, DOI 10.1111/j.1365-2427.2004.01263.x . - ISSN 0046-5070
Кл.слова (ненормированные):
Cyanobacteria -- Diatoms -- Fatty acids -- Food quality -- Species composition -- cyanobacterium -- diatom -- fatty acid -- food quality -- food web -- growing season -- phytoplankton -- reservoir -- Eurasia -- Siberia -- Anabaena -- Anabaena flos-aquae -- Aphanizomenon -- Aphanizomenon flos-aquae -- Bacillariophyta -- Cyanobacteria -- Cyclotella -- Dinophyceae -- Flos -- Microcystis -- Microcystis aeruginosa -- Planktothrix -- Planktothrix agardhii -- Stephanodiscus
Аннотация: 1. We studied variation in the composition of fatty acids in the seston of a small freshwater reservoir with changes in phytoplankton composition during four growth seasons. We focused on the dynamics of the ?3 fatty acids because of their potential importance for zooplankton nutrition. 2. Total diatoms were related to the 20:5?3 fatty acid (eicosapentaenoic, EPA) content in seston. Among two dominant diatom genera, Cyclotella was not associated with EPA content. In contrast, there was a significant correlation between Stephanodiscus and the percentage contribution and content of EPA throughout the study. Hence, freshwater diatoms can differ strongly in content of the essential EPA. 3. We considered abundant cyanobacteria as a potential source of 18:3?3 fatty acid (linolenic, ALA) to aquatic food webs. Among four dominant cyanobacteria species, two (Anabaena flos-aquae and Planktothrix agardhii) showed significant correlation with the ALA content of the seston, while the other two (Aphanizomenon flos-aquae and Microcystis aeruginosa) did not. 4. Dinophyta had a relatively high level of 22:6?3 (docosahexaenoic, DHA) for freshwater species and can be also a source of EPA to aquatic food webs. 5. Our results show that various species of diatoms as well as cyanobacteria can be of contrasting nutritional value for zooplankton because of their different content of the essential PUFAs. Diatoms, which are low in EPA, could not be considered as a valuable food, while some field populations of cyanobacteria might be valuable sources of essential ALA.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Krasnoyarsk State Agric. University, Krasnoyarsk, Russian Federation
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Gladyshev, M.I.; Makhutova, O.N.; Kalachova, G.S.; Kravchuk, E.S.; Ivanova, E.A.

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Associating particulate essential fatty acids of the omega 3 family with phytoplankton species composition in a Siberian reservoir [Text] / N. N. Sushchik [et al.] // Freshw. Biol. - 2004. - Vol. 49, Is. 9. - P. 1206-1219, DOI 10.1111/j.1365-2427.2004.01263.x. - Cited References: 48 . - ISSN 0046-5070

РУБ Marine & Freshwater Biology
Рубрики:
ENCLOSED EXPERIMENTAL ECOSYSTEM
   FOOD QUALITY
   BENTHIC INVERTEBRATES
   GREEN-ALGAE
   CYANOBACTERIA
   DAPHNIA
   MICROALGAE
   ZOOPLANKTON
   LAKE
   APHANIZOMENON
Кл.слова (ненормированные):
cyanobacteria -- diatoms -- fatty acids -- food quality -- species composition
Аннотация: 1. We studied variation in the composition of fatty acids in the seston of a small freshwater reservoir with changes in phytoplankton composition during four growth seasons. We focused on the dynamics of the omega3 fatty acids because of their potential importance for zooplankton nutrition. 2. Total diatoms were related to the 20:5omega3 fatty acid (eicosapentaenoic, EPA) content in seston. Among two dominant diatom genera, Cyclotella was not associated with EPA content. In contrast, there was a significant correlation between Stephanodiscus and the percentage contribution and content of EPA throughout the study. Hence, freshwater diatoms can differ strongly in content of the essential EPA. 3. We considered abundant cyanobacteria as a potential source of 18:3omega3 fatty acid (linolenic, ALA) to aquatic food webs. Among four dominant cyanobacteria species, two (Anabaena flos-aquae and Planktothrix agardhii) showed significant correlation with the ALA content of the seston, while the other two (Aphanizomenon flos-aquae and Microcystis aeruginosa) did not. 4. Dinophyta had a relatively high level of 22:6omega3 (docosahexaenoic, DHA) for freshwater species and can be also a source of EPA to aquatic food webs. 5. Our results show that various species of diatoms as well as cyanobacteria can be of contrasting nutritional value for zooplankton because of their different content of the essential PUFAs. Diatoms, which are low in EPA, could not be considered as a valuable food, while some field populations of cyanobacteria might be valuable sources of essential ALA.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Krasnoyarsk State Agr Univ, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Gladyshev, M.I.; Makhutova, O.N.; Kalachova, G.S.; Kravchuk, E.S.; Ivanova, E.A.

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Bacteria of Lake Pyasino and Adjacent Rivers after an Accidental Diesel Spill in 2020 / O. V. Kolmakova, M. Y. Trusova, O. A. Baturina, M. R. Kabilov // Contemp. Probl. Ecol. - 2021. - Vol. 14, Is. 4. - P356-367, DOI 10.1134/S1995425521040053. - Cited References:22. - This work was supported by economic agreement no. 223-EP-2020/07 with the Siberian Branch of the Russian Academy of Sciences and the Project Office for the Development of the Arctic (PORA), and State Task of the Fundamental Research Program of the Russian Federation, topic no. 51.1.1. Bioinformatics analysis was supported by basic budget funding from the ICBFM SB RAS (AAAAA17-117020210021-7). . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
SP-NOV.
   GEN. NOV.
   OIL
   BACTERIOPLANKTON
   SEQUENCES
Кл.слова (ненормированные):
bacterioplankton -- sediments -- high-throughput sequencing -- oil spill -- Lake -- Pyasino -- 16S rRNA
Аннотация: The bacterial composition of water and sediments in Lake Pyasino and adjacent rivers has been studied by high-throughput sequencing for the first time. No hydrocarbon-degrading bacteria are found in the river sections exposed to the diesel spillage in May 2020. The Daldykan and Ambarnaya rivers, located downstream of the spill site, are dominated by bacteria that oxidize sulfur and heavy metals. At the same time, these bacteria are not found in Lake Pyasino, which is dominated by small cyanobacteria. Thus, the composition of bacteria in the water and sediments of the Norilsk-Pyasino lake-river system corresponds to the technogenic impact to which it is exposed and also demonstrates the buffer properties of Lake Pyasino as water flows into the Kara Sea.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Akademgorodok, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem Biol & Fundamental Med, Genom Core Facil, Novosibirsk 630090, Russia.

Доп.точки доступа:
Kolmakova, O. V.; Trusova, M. Yu.; Baturina, O. A.; Kabilov, M. R.; Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [223-EP-2020/07]; Project Office for the Development of the Arctic (PORA); State Task of the Fundamental Research Program of the Russian Federation [51.1.1]; ICBFM SB RAS [AAAAA17-117020210021-7]

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10.

Bacterial Communities of Three Saline Meromictic Lakes in Central Asia [Text] / B. Baatar [et al.] // PLoS One. - 2016. - Vol. 11, Is. 3. - Ст. e0150847, DOI 10.1371/journal.pone.0150847. - Cited References:65. - This study was supported by the thematic project funding of Taiwan-Russian Joint Project (NSC99- 2923-B-001-001-MY3 and NSC 102-2923-B-001-004) and Taiwan-Mongolian Joint Project (NSC101-2923-B-001-003-MY3) from the National Sciences Council of Taiwan and Biodiversity Research Center, Academia Sinica, Taiwan and the Russian Foundation for Basic Research, Grant No. 14-04-01060-a.; We thank our Russian and Mongolian colleagues in the Institute of Biophysics SB RAS and National University of Mongolia for assistance with providing samples and hydro-parameter data. This study was supported by the thematic project funding of Taiwan-Russian Joint Project (NSC99-2923-B-001-001-MY3 and NSC 102-2923-B-001-004) and Taiwan-Mongolian Joint Project (NSC101-2923-B-001-003-MY3) from the National Sciences Council of Taiwan and Biodiversity Research Center, Academia Sinica, Taiwan and the Russian Foundation for Basic Research, Grant No. 14-04-01060-a. . - ISSN 1932-6203

РУБ Multidisciplinary Sciences
Рубрики:
PURPLE SULFUR BACTERIA
REAL-TIME PCR
MICROBIAL COMMUNITIES
Аннотация: Meromictic lakes located in landlocked steppes of central Asia (similar to 2500 km inland) have unique geophysiochemical characteristics compared to other meromictic lakes. To characterize their bacteria and elucidate relationships between those bacteria and surrounding environments, water samples were collected from three saline meromictic lakes (Lakes Shira, Shunet and Oigon) in the border between Siberia and the West Mongolia, near the center of Asia. Based on in-depth tag pyrosequencing, bacterial communities were highly variable and dissimilar among lakes and between oxic and anoxic layers within individual lakes. Proteobacteria, Bacteroidetes, Cyanobacteria, Actinobacteria and Firmicutes were the most abundant phyla, whereas three genera of purple sulfur bacteria (a novel genus, Thiocapsa and Halochromatium) were predominant bacterial components in the anoxic layer of Lake Shira (similar to 20.6% of relative abundance), Lake Shunet (similar to 27.1%) and Lake Oigon (similar to 9.25%), respectively. However, few known green sulfur bacteria were detected. Notably, 3.94% of all sequencing reads were classified into 19 candidate divisions, which was especially high (23.12%) in the anoxic layer of Lake Shunet. Furthermore, several hydro-parameters (temperature, pH, dissolved oxygen, H2S and salinity) were associated (P0.05) with variations in dominant bacterial groups. In conclusion, based on highly variable bacterial composition in water layers or lakes, we inferred that the meromictic ecosystem was characterized by high diversity and heterogenous niches.

WOS,
Scopus
Держатели документа:
Acad Sinica, Taiwan Int Grad Program, Mol & Biol Agr Sci Program, Taipei 115, Taiwan.
Acad Sinica, Biodivers Res Ctr, Taipei 115, Taiwan.
Natl Chung Hsing Univ, Grad Inst Biotechnol, Taichung 40227, Taiwan.
SB RAS, Inst Biophys, Krasnoyarsk 660036, Russia.
Natl Pingtung Univ Sci & Technol, Pingtung 91201, Taiwan.
Natl Univ Mongolia, Sch Art & Sci, Ulaanbaatar 14201, Mongol Peo Rep.
Natl Chung Hsing Univ, Ctr Biotechnol, Taichung 40227, Taiwan.

Доп.точки доступа:
Baatar, Bayanmunkh; Chiang, Pei-Wen; Rogozin, Denis Yu; Wu, Yu-Ting; Tseng, Ching-Hung; Yang, Cheng-Yu; Chiu, Hsiu-Hui; Oyuntsetseg, Bolormaa; Degermendzhy, Andrey G.; Tang, Sen-Lin; National Sciences Council of Taiwan [NSC99- 2923-B-001-001-MY3, NSC 102-2923-B-001-004, NSC101-2923-B-001-003-MY3, NSC99-2923-B-001-001-MY3]; Biodiversity Research Center, Academia Sinica, Taiwan; Russian Foundation for Basic Research [14-04-01060-a]

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11.

Comparison of rapid methods used to determine the concentration, size structure and species composition of algae / E. S. Zadereev, A. V. Drobotov, T. S. Lopatina [и др.] // J. Sib. Fed. Univ. - Biol. - 2021. - Vol. 14, Is. 1. - С. 5-27, DOI 10.17516/1997-1389-0338 . - ISSN 1997-1389
Кл.слова (ненормированные):
Flow cytometry -- Fluorescence -- Microscopy -- Particle counter -- Phytoplankton -- Size distribution
Аннотация: Traditionally, the abundance, cell size distribution and species identification of algae are determined by microscopic counts. In recent years, various rapid methods have been developed for routine algal studies. However, each of these methods has its drawbacks. It is important for aquatic ecologists to understand the advantages, disadvantages, and limitations of these methods. We compared the sensitivity of three rapid methods (multichannel fluorimeter FluoroProbe, imaging flow cytometer FlowCam, and CASY particle counter) to changes in cell abundance of three algae species (Chlorella vulgaris Beyerinck, Arthrospira platensis Gomont, and Nostoc sp.). We also assessed the ability of rapid methods to estimate the cell abundance of different species in the mixed samples. All instruments showed high sensitivity to changes in the cell abundance of different algae species and a mixture of these species. Any one of these methods, once calibrated, can be reliably used to estimate the abundance of a single-species/laboratory culture of microalgae. At the same time, FlowCam, without preliminary calibration, recorded the cell abundance closest to microscopic counts. When analysing a mixture of three microalgae differing in their cell sizes and spectral characteristics, FluoroProbe showed the highest accuracy in assessing the proportions of species in the mixture and FlowCam - in assessing their abundance. To study mixtures of algae and/or natural phytoplankton communities, it is advisable to use jointly a flow cytometer and a multichannel fluorimeter. The images of algae saved by the flow cytometer, if necessary, can be used to identify them, with a certain accuracy, to the species. Information on cells size and spectral characteristics obtained by two methods will be detailed enough to perform such common tasks as studying trophic interactions between phyto- and zooplankton or creating warning systems to inform of unwanted blooms of phytoplankton and their individual groups (for example, cyanobacteria). © Siberian Federal University. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Zadereev, E. S.; Drobotov, A. V.; Lopatina, T. S.; Ovchinnikov, S. D.; Tolomeev, A. P.

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12.

Correlations between fatty acid composition of seston and zooplankton and effects of environmental parameters in a eutrophic Siberian reservoir / M. I. Gladyshev [et al.] // Limnologica. - 2010. - Vol. 40, Is. 4. - P343-357, DOI 10.1016/j.limno.2009.12.004 . - ISSN 0075-9511
Кл.слова (ненормированные):
Eicosapentaenoic acid -- Fatty acids -- Phytoplankton -- Temperature -- Zooplankton -- canonical analysis -- correlation -- eutrophic environment -- fatty acid -- multivariate analysis -- phytoplankton -- seasonal variation -- seston -- taxonomy -- temperature effect -- water temperature -- zooplankton -- algae -- Bacillariophyta -- Ciliophora -- Cyanobacteria -- Cyclopoida -- Rotifera
Аннотация: During two sampling seasons we analyzed on weekly basis fatty acid (FA) composition of seston fraction <130?m and zooplankton fraction >130?m, and compared them using a multivariate canonical correlation analysis (CCA). Besides, we evaluated a possible impact of water temperature and inorganic nutrients on FA composition of the seston and the zooplankton.In spite of significant differences in percentages of several individual FAs, we found very strong canonical correlation (cross-correlation, 1-week lag) between FA composition of the seston and the zooplankton. The most important factor, providing the overall canonical cross-correlation between FA profiles of the seston and the zooplankton fractions was eicosapentaenoic acid (20:5?3, EPA). FA composition of the zooplankton fraction had comparatively poor correlations with taxonomic composition of the zooplankton. Thus, seasonal variations of FA composition of the zooplankton were determined primarily by seasonal changes in FA composition of the seston, rather than by taxonomic differences of FA profiles between rotifers, cyclopoids and cladocerans. FA composition of the seston was strongly affected by its taxonomic composition, namely by that of phytoplankton. According to CCA, the highest factor loadings pertained to diatoms interacting with their marker acids, including EPA, and cyanobacteria and greens, interacting with their marker acids. Ciliates and small rotifers composed considerable and sometimes major part of the seston biomass, but according to CCA their contributions to seasonal variations of the total FA profile of the seston were insignificant. This finding indirectly support the conclusion of the other authors, that the main source of FAs presented in ciliates and rotifers must be sought in algae and that they do not modify FA composition of food consumed, apart from repackaging it.Water temperature was the principal environmental parameter which drove the overall variations of FA composition. Factor loadings for the inorganic nutrients were comparatively negligible. The main contribution in the seasonal variation of FA composition of the seston was given by negative interaction between water temperature and percentage of EPA in the seston. В© 2009 Elsevier GmbH.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gladyshev, M.I.; Sushchik, N.N.; Makhutova, O.N.; Dubovskaya, O.P.; Kravchuk, E.S.; Kalachova, G.S.; Khromechek, E.B.

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13.

Dependence of the domination of Anabaena flos-aquae (Lyngb.) Breb. in the phytoplankton community on the initial abundance of akinetes / E. S. Kravchuk, M. I. Gladyshev, E. A. Ivanova // Doklady Biological Sciences. - 2007. - Vol. 416, Is. 1-6. - P377-378, DOI 10.1134/S0012496607050158 . - ISSN 0012-4966
Кл.слова (ненормированные):
Anabaena flos-aquae -- Anabaena -- animal -- article -- biological model -- biomass -- Cyanobacterium -- metabolism -- microbiology -- physiology -- phytoplankton -- Russian Federation -- season -- sediment -- Anabaena -- Animals -- Biomass -- Cyanobacteria -- Geologic Sediments -- Models, Biological -- Phytoplankton -- Russia -- Seasons -- Water Microbiology

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Krasnoyarsk State Agricultural University, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kravchuk, E.S.; Gladyshev, M.I.; Ivanova, E.A.

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14.

Differences in organic matter and bacterioplankton between sections of the largest Arctic river: Mosaic or continuum? [Text] / M. I. Gladyshev [et al.] // Limnol. Oceanogr. - 2015. - Vol. 60, Is. 4. - P1314-1331, DOI 10.1002/lno.10097. - Cited References:75. - At the stage of laboratory analyses, calculations, and generalizations, the work was supported by the project No. 6.1089.214/K of Siberian Federal University, carried out according to Federal Tasks of Ministry of Education and Science of Russian Federation, and by Russian Federal Tasks of Fundamental Research (project No. 51.1.1). The research cruise was supported by the Attracting Leading Scientists to Russian Educational Institutions Program of the Russian Federation, agreement 11.G34.31.0014. . - ISSN 0024-3590. - ISSN 1939-5590

РУБ Limnology + Oceanography
Рубрики:
FATTY-ACID-COMPOSITION
   KARA SEA
   YENISEI RIVER
   CARBON-CYCLE
Аннотация: We studied biogeochemical characteristics, including organic carbon and nitrogen contents, fatty acid (FA) composition, stable isotope ratios, and primary production in conjunction with species composition of bacterioplankton, using next generation sequencing, in the Yenisei River along a distance similar to 1800km. Basing on FA composition of particulate organic matter (POM) and on other indicators of sources of POM, the river was subdivided into four sections. The upper section 1, situated in mountain region, was the net source of high-quality autochthonous organic matter, produced primarily by diatoms and partly consumed by specialized bacteria species. Section 2 in plain taiga was net sink of high quality allochthonous and autochthonous organic matter, produced by cyanobacteria and green algae. Section 3 was net sink of organic matter, primarily allochthonous, consumed by the specialized species of bacteria. The lowest section 4, situated in tundra, was primarily the conduit of recalcitrant terrestrial organic matter, but also the net source of autochthonous organic matter, produced by diatoms. Biogeochemical traits of sections of the Yenisei River evidently shaped dominant species composition of bacterioplankton of these sections. Regarding the biogeochemical and microbiological data, we concluded that the Yenisei River ecosystem complexly combines features of river mosaic, river continuum, and "neutral pipe."

WOS,
Scopus
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Gladyshev, Michail I.; Kolmakova, Olesia V.; Tolomeev, Alexander P.; Anishchenko, Olesia V.; Makhutova, Olesia N.; Kolmakova, Anzhelika A.; Kravchuk, Elena S.; Glushchenko, Larisa A.; Kolmakov, Vladimir I.; Sushchik, Nadezhda N.; Siberian Federal University [6.1089.214/K]; Russian Federal Tasks of Fundamental Research [51.1.1]; Attracting Leading Scientists to Russian Educational Institutions Program of the Russian Federation [11.G34.31.0014]

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15.

Ecological and floristic characterization of phytoplankton from small water bodies of Krasnoyarsk (Russia) / E. A. Ivanova, E. S. Kravchuk, O. V. Kolmakova // International Journal on Algae. - 2006. - Vol. 8, Is. 2. - P129-140, DOI 10.1615/InterJAlgae.v8.i2.20 . - ISSN 1521-9429
Кл.слова (ненормированные):
Biomass -- Divisions of algae -- Saprobility -- Trophic status -- algae -- Bacillariophyta -- Chlorophyta -- Cyanobacteria
Аннотация: The species composition of phytoplankton from four small recreation water bodies of Krasnoyarsk (ponds Bugach, Lesnoy, Nizhniy, and Vetluzhanka) is studied. The greatest taxonomic diversity is observed in Chlorophyta, Cyanophyta, and Bacillariophyta. The trophic status of the studied water bodies is determined. В©Begell House Inc., 2006.

Scopus
Держатели документа:
Krasnoyarsk State Agrarian University, Department of Botany and Plant Physiology, 88, Pr. Mira, 660049 Krasnoyarsk, Russian Federation
Institute of Biophysics, Siberian Branch, Academy of Sciences of Russia, 36, Akademgorodok, 660036 Krasnoyarsk, Russian Federation
Krasnoyarsk State University, Department of Biochemistry, 79, Pr. Svobodnyi, 660041 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Ivanova, E.A.; Kravchuk, E.S.; Kolmakova, O.V.

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16.

Ecological features of cyanobacteria and algae communities of the littoral of the meromictic Lake Shira (Khakassia Republic, Russia) / L. A. Gaysina, A. I. Fazlutdinova, O. N. Mukhina [et al.] // Theor. Appl. Ecol. - 2020. - Vol. 2020, Is. 1. - P47-50, DOI 10.25750/1995-4301-2020-1-047-050 . - ISSN 1995-4301
Кл.слова (ненормированные):
Alkaliphilic species -- Amphora ovalis -- Bacillariophyta -- Desmodesmus abundans -- Grunowia tabellaria -- Leptolyngbya voronichiniana -- Meromixia -- Oocystis lacustris -- Pseudophormidium pauciramosum -- Surirella undulata
Аннотация: During the study of cyanobacteria and algae from littoral of the meromictic Lake Shira (Republic of Khakassia, Russia) forty-eight taxa were identified: Cyanobacteria - 7, Chlorophyta - 5, and Bacillariophyta - 36 species. Cyanobacteria were represented by cosmopolitan taxa Leptolyngbya voronichiniana, cf. Trichocoleus hospitus and widely distributed in the freshwater ecosystems species Phormidium cf. paulsenianum, Pseudophormidium cf. golenkinianum, P. pauciramosum, Leptolyngbya perforans, and L. subtilissima. Among green algae typical freshwater taxa Chloroidium saccharophilum, Desmodesmus abundans, Oocystis lacustris, Chlorella sp., Stigeoclonium sp. were detected. Among Bacillariophyta the most frequent species were Amphora ovalis, Cymbella affinis, Encyonema silesiacum, Eunotia fallax, Gomphonella olivacea, G. parvulum, Kobayasiella subtilissima, Navicula minima, N. radiosa, N. veneta, Nitzchia fonticola, N. palea, Grunowia tabellaria, Surirella undulata. Several rare species cf. Fragilaria tenera, Grunowia tabellaria and cf. Ulnaria capitata were found. In relation to mineralization indifferents was the largest group (73%). In relation to pH, a unique feature of the investigated lake was the predominance of alkaliphilic species of diatoms (56%), such as Amphora ovalis, Cymbella affinis, Gomphonema truncatum, Hantzschia amphioxys, Navicula minima, N. veneta, Nitzschia cf. linearis, N. palea, Planothidium lanceolatum and other. In the geographic structure cosmopolitan group included 25 species (69%), boreal group - 4 species (11%), arcto-apline group - 2 species (6%). To obtain more accurate information on the biodiversity of cyanobacteria and algae of Lake Shira further studies using molecular-genetic and electron microscopic methods are needed. © 2020 Publishing House "O- Kratkoe". All rights reserved.

Scopus
Держатели документа:
M. Akmullah Bashkir State Pedagogical University, 3-a, Okt'yabrskoy revolucii, Ufa, 450008, Russian Federation
All-Russian Research Institute of Phytopathology, 5, Institute St., B. Vyazyomy, Odintsovo District, Moscow Region, 143050, Russian Federation
Institute of Biophysics Siberian Branch of RAS, 50, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79, Svobodny Prospekt, Krasnoyarsk, 660041, Russian Federation
John Carroll University, University Heights, John Carroll Blvd., Ohio, 44118, United States

Доп.точки доступа:
Gaysina, L. A.; Fazlutdinova, A. I.; Mukhina, O. N.; Akhmadeyeva, L. F.; Rogozin, D. Y.U.; Bul'Khin, A. O.; Sukhanova, N. V.; Johansen, J. R.

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17.

РУБ Ecology

Кл.слова (ненормированные):
meromixia -- Bacillariophyta -- alkaliphilic species -- Leptolyngbya -- voronichiniana -- Pseudophormidium pauciramosum -- Desmodesmus abundans -- Oocystis lacustris -- Amphora ovalis -- Grunowia tabellaria -- Surirella -- undulata
Аннотация: During the study of cyanobacteria and algae from littoral of the meromictic Lake Shira (Republic of Khakassia, Russia) forty-eight taxa were identified: Cyanobacteria - 7, Chlorophyta - 5, and Bacillariophyta - 36 species. Cyanobacteria were represented by cosmopolitan taxa Leptolyngbya voronichiniana, cf. Trichocoleus hospitus and widely distributed in the freshwater ecosystems species Phormidium cf. paulsenianum, Pseudophormidium cf. golenkinianum, P. pauciramosum, Leptolyngbya perforans, and L. subtilissima. Among green algae typical freshwater taxa Chloroidium saccharophilum, Desmodesmus abundans, Oocystis lacustris, Chlorella sp., Stigeoclonium sp. were detected. Among Bacillariophyta the most frequent species were Amphora ovalis, Cymbella affinis, Encyonema silesiacum, Eunotia fallax, Gomphonella olivacea, G. parvulum, Kobayasiella subtilissima, Navicula minima, N. radiosa, N. veneta, Nitzchia fonticola, N. palea, Grunowia tabellaria, Surirella undulata. Several rare species cf. Fragilaria tenera, Grunowia tabellaria and cf. Ulnaria capitata were found. In relation to mineralization indifferents was the largest group (73%). In relation to pH, a unique feature of the investigated lake was the predominance of alkaliphilic species of diatoms (56%), such as Amphora ovalis, Cymbella affinis, Gomphonema truncatum, Hantzschia amphioxys, Navicula minima, N. veneta, Nitzschia cf. linearis, N. palea, Planothidium lanceolatum and other. In the geographic structure cosmopolitan group included 25 species (69%), boreal group - 4 species (11%), arcto-apline group - 2 species (6%). To obtain more accurate information on the biodiversity of cyanobacteria and algae of Lake Shira further studies using molecular-genetic and electron microscopic methods are needed.

WOS
Держатели документа:
M Akmullah Bashkir State Pedag Univ, 3-A Oktyabrskoy Revolucii, Ufa 450008, Republic Of Bas, Russia.
All Russian Res Inst Phytopathol, 5 Inst St, Odintsovo Dist 143050, Moscow Region, Russia.
RAS, Inst Biophys, Siberian Branch, 50 Akad Gorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Prospekt, Krasnoyarsk 660041, Russia.
John Carroll Univ, John Carroll Blvd, University Hts, OH 41118 USA.

Доп.точки доступа:
Gaysina, L. A.; Fazlutdinova, A., I; Mukhina, N.; Akhrnadeyeva, L. E.; Rogozin, D. Yu; Bul'khin, A. O.; Sulehanova, N., V; Johansen, J. R.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-05-00428]; internal grant of M. Akmullah Bashkir State Pedagogical University; RFBRRussian Foundation for Basic Research (RFBR) [19-04-20031]

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18.

Ecological Role of Cyprideis torosa and Heterocypris salina (Crustacea, Ostracoda) in Saline Rivers of the Lake Elton Basin: Abundance, Biomass, Production, Fatty Acids / V. A. Gusakov, O. N. Makhutova, M. I. Gladyshev [et al.] // Zool. Stud. - 2021. - Vol. 60. - Ст. 53, DOI 10.6620/ZS.2021.60-53. - Cited References:84. - This research was performed in the framework of State Assignments No. 121051100109-1 and AAAA-A17-117112040039-7, and it was also supported by the grants from Russian Foundation for Basic Research (RFBR) (projects numbers 13-04-00740, 15-04-03341, 17-04-00135), State Assignment within the framework of the basic research program of the Russian Federation (topic No. 51.1.1), State Assignment of the Ministry of Science and Higher Education of the Russian Federation to Siberian Federal University in 2020 (project No. FSRZ-2020-0006 "Biologically active substances in environmental, biotechnological and medical systems"). The authors are grateful to Elena Krasova for linguistic check and improvements of the manuscript. We would also like to thank two anonymous reviewers for their constructive comments, recommendations as well as extra corrections of the paper's language and style. . - ISSN 1021-5506. - ISSN 1810-522X

РУБ Zoology
Рубрики:
JONES 1850 CRUSTACEA
MACROZOOBENTHIC COMMUNITIES
INVERTEBRATES
Кл.слова (ненормированные):
Saline rivers -- Ostracods -- Diet -- Fatty acid markers
Аннотация: Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods Cyprideis torosa and Heterocypris salina are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia). We estimated the abundance, biomass and production of C. torosa, the dominant species at the mouth of the polyhaline Chernavka River (average salinity is similar to 30 g l(-1)), and H. salina, the dominant species at the mouth of the mesohaline Bolshaya Samoroda River (similar to 13 g l(-1)), in spring (May) and summer (August). Additionally, we studied the composition and content of fatty acids of the ostracods and their potential food sources (bottom sediments with bacterial-algal mats). We found that the abundance and biomass (wet weight with shells) of C. torosa in the Chernavka River and H. salina in the Bolshaya Samoroda River reached 3.5 x 10(6) ind. m(-2) and 117 g m(-2), and 1.1 x 10(5) ind. m(-2) and 12 g m(-2), respectively. The first species formed on average about 85% of the total abundance and 96% of the total biomass of the meiobenthos, and the second one, about 13% and 31%, respectively. The daily production of C. torosa and H. salina can reach 249 and 36 mg m(-2) ash-free dry weight, respectively. The results indicate that these species may play an important role in the total flow of matter and energy in the studied habitats. Based on the fatty acid (FA) composition of the ostracods and their food sources, it was found that C. torosa mainly consumed diatoms, while H. salina preferred bacteria, cyanobacteria, and green algae. Differences between the species were greater than differences between the bottom sediments from the rivers. It may mean that the ostracods selectively consumed different food items that may be related to the different nutrient requirements of the species. Seasonal changes in the FA compositions of the ostracods were higher than in their food sources (bottom sediments), which also indicates selective feeding of the species.

WOS
Держатели документа:
Inland Waters Russian Acad Sci, Papanin Inst Biol, 109, Borok 152742, Russia.
Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Inst Biophys,Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny av. 79, Krasnoyarsk 660041, Russia.
Samara Fed Res Sci Ctr RAS, Inst Ecol Volga River Basin RAS, Komzina str. 10, Tolyatti 445003, Russia.

Доп.точки доступа:
Gusakov, Vladimir A.; Makhutova, Olesia N.; Gladyshev, Michail I.; Golovatyuk, L. V.; Zinchenko, Tatiana D.; Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [13-04-00740, 15-04-03341, 17-04-00135]; Russian FederationRussian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]

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19.

Ecological role of cyprideis torosa and heterocypris salina (Crustacea, ostracoda) in saline rivers of the lake elton basin: Abundance, biomass, production, fatty acids / V. A. Gusakov, O. N. Makhutova, M. I. Gladyshev [et al.] // Zool. Stud. - 2021. - Vol. 60. - P60-53, DOI 10.6620/ZS.2021.60-53 . - ISSN 1021-5506
Кл.слова (ненормированные):
Diet -- Fatty acid markers -- Ostracods -- Saline rivers
Аннотация: Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods Cyprideis torosa and Heterocypris salina are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia). We estimated the abundance, biomass and production of C. torosa, the dominant species at the mouth of the polyhaline Chernavka River (average salinity is ~30 g l-1), and H. salina, the dominant species at the mouth of the mesohaline Bolshaya Samoroda River (~13 g l-1), in spring (May) and summer (August). Additionally, we studied the composition and content of fatty acids of the ostracods and their potential food sources (bottom sediments with bacterial-algal mats). We found that the abundance and biomass (wet weight with shells) of C. torosa in the Chernavka River and H. salina in the Bolshaya Samoroda River reached 3.5 ? 106 ind. m-2 and 117 g m-2, and 1.1 ? 105 ind. m-2 and 12 g m-2, respectively. The first species formed on average about 85% of the total abundance and 96% of the total biomass of the meiobenthos, and the second one, about 13% and 31%, respectively. The daily production of C. torosa and H. salina can reach 249 and 36 mg m-2 ash-free dry weight, respectively. The results indicate that these species may play an important role in the total flow of matter and energy in the studied habitats. Based on the fatty acid (FA) composition of the ostracods and their food sources, it was found that C. torosa mainly consumed diatoms, while H. salina preferred bacteria, cyanobacteria, and green algae. Differences between the species were greater than differences between the bottom sediments from the rivers. It may mean that the ostracods selectively consumed different food items that may be related to the different nutrient requirements of the species. Seasonal changes in the FA compositions of the ostracods were higher than in their food sources (bottom sediments), which also indicates selective feeding of the species. © 2021 Academia Sinica, Taiwan.

Scopus
Держатели документа:
Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, 109, Borok, Nekouzskii raion, Yaroslavl oblast, 152742, Russian Federation
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk, 660041, Russian Federation
Samara Federal Research Scientific Center RAS, Institute of Ecology of Volga River Basin RAS, Komzina str. 10, Togliatti, 445003, Russian Federation

Доп.точки доступа:
Gusakov, V. A.; Makhutova, O. N.; Gladyshev, M. I.; Golovatyuk, L. V.; Zinchenko, T. D.

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20.

Effect of salinity on the growth of the cyanobacterium Spirulina platensis in monoculture and mixed cultures [Text] / A. Y. Bolsunovskii, T. A. Zotina // Microbiology. - 1996. - Vol. 65, Is. 3. - P371-372. - Cited References: 5 . - 2. - ISSN 0026-2617

РУБ Microbiology

Аннотация: The effect of NaCl concentrations on the growth of the cyanobacterium Spirulina platensis in monoculture and in mixed culture with the green halophilic alga Dunaliella salina was studied. The,growth rate of S. platensis in monoculture did not change within the salinity range from 1 to 20 g/l NaCl. With an increase in salinity, the growth rate declined, and, at 70 g/l NaCl, the cyanobacteria died. The response of S. platensis to changes in salinity in mixed culture with D. salina did not differ from that observed in monoculture. At a concentration of 50 g/l NaCl these species of microorganisms could coexist.
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovskii, A.Y.; Zotina, T.A.

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