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Issues of modern algology (Вопросы современной альгологии)最新文献

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Preservation of cyanobacteria Glaucospira laxissima at low temperature 蓝细菌的低温保存
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2020-3(24)-50-53
D. Petrukhina
{"title":"Preservation of cyanobacteria Glaucospira laxissima at low temperature","authors":"D. Petrukhina","doi":"10.33624/2311-0147-2020-3(24)-50-53","DOIUrl":"https://doi.org/10.33624/2311-0147-2020-3(24)-50-53","url":null,"abstract":"This short paper addresses viability and renewed growth of cyanobacteria Glaucospira laxissima after 1-year preservation under -80°C in a deep freezer. To storage in liquid suspension cultures with min 40% viability were used 10%-glucose and DMSO solution.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123759412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The first information about algae in water bodies of the Koigorodsky National Park (southern taiga, Komi Republic) 科伊戈罗兹基国家公园(科米共和国南针叶林)水体中藻类的第一次信息
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2021-2(26)-148-150
E. Patova, D. Kudriavtseva, I. Novakovskaya
{"title":"The first information about algae in water bodies of the Koigorodsky National Park (southern taiga, Komi Republic)","authors":"E. Patova, D. Kudriavtseva, I. Novakovskaya","doi":"10.33624/2311-0147-2021-2(26)-148-150","DOIUrl":"https://doi.org/10.33624/2311-0147-2021-2(26)-148-150","url":null,"abstract":"The algal communities of water bodies of the Koygorodsky National Park, created in 2019 with the aim of preserving the unique massif of virgin forests of the southern taiga, were investigated. Algological collections were carried out in the summer of 2021 in two watercourses (the rivers Suran and Mytets – refer to the Volga river basin) and in a grass-sphagnum bog. 73 species of algae from 6 divisions were discovered: Cyanophyceae/Cyanobacteria – 18, Cryptophyta – 1, Euglenophyta – 2, Chlorophyta – 25, Ochrophyta (Xanthophyceae – 2, Chrysophyceae – 2, Bacillariophyceae – 13), Charophyta – 10 species. The basis of species diversity is formed by the periphyton communities. Complexes of dominants of different ecological groups of algae have been identified.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126495365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Production characteristics of Spirulina platensis and Dunaliella salina cultures in the Sevastopol region at the off-season 塞瓦斯托波尔地区平螺旋藻和盐杜氏藻淡季的生产特征
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2019-1(19)-96-104
Anatoly A. Chekushkin, I. Gudvilovich, A. S. Lelekov
{"title":"Production characteristics of Spirulina platensis and Dunaliella salina cultures in the Sevastopol region at the off-season","authors":"Anatoly A. Chekushkin, I. Gudvilovich, A. S. Lelekov","doi":"10.33624/2311-0147-2019-1(19)-96-104","DOIUrl":"https://doi.org/10.33624/2311-0147-2019-1(19)-96-104","url":null,"abstract":"The calculation of limit productivity for microalgae cultures during cultivation in the autumn period in the southern regions of Russia is carried out. The maximum observed productivity of Spirulina platensis and Dunaliella salina in semi-industrial conditions in autumn (Sevastopol, october-november 2018) was estimated. It is noted that the growth rate is limited by temperature conditions. The possibility of obtaining additional biomass of the studied species during the off-season is shown.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130333288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Composition and structure algal сommunity of the Сát Tiên National Park, Southern Vietnam (first data) 越南南部Сát Tiên国家公园藻类群落组成与结构(首次资料)
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2021-2(26)-78-85
E. Kezlya, A. Glushchenko, Y. Maltsev, S. Maltseva, E. Gusev, M. Kulikovskiy
{"title":"Composition and structure algal сommunity of the Сát Tiên National Park, Southern Vietnam (first data)","authors":"E. Kezlya, A. Glushchenko, Y. Maltsev, S. Maltseva, E. Gusev, M. Kulikovskiy","doi":"10.33624/2311-0147-2021-2(26)-78-85","DOIUrl":"https://doi.org/10.33624/2311-0147-2021-2(26)-78-85","url":null,"abstract":"The report presents the results of a study of algae in forest soils in the Cat Tien National Park (South Vietnam) using 7 model sites as an example. The species composition of algae and their vertical distribution in the soil horizons have been characterized.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130500276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
On the morphological variability and systematic position of Cyclotella rossii Håkansson (Bacillariophyta) 软叶硅藻门rossii ha<s:1> kansson Cyclotella的形态变异及系统位置
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2019-2(20)-159-161
S. Genkal
{"title":"On the morphological variability and systematic position of Cyclotella rossii Håkansson (Bacillariophyta)","authors":"S. Genkal","doi":"10.33624/2311-0147-2019-2(20)-159-161","DOIUrl":"https://doi.org/10.33624/2311-0147-2019-2(20)-159-161","url":null,"abstract":"Based on the original and published data, it is suggested to refer Pantocsekiella rossii to the synonymy of Pantocsekiella chantaica and extend the diagnosis of the latter.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122278501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phototrophic communities of Kulunda Steppe soda lakes (Altai Region): history of algological studies and modern data. 库伦达草原苏打湖(阿尔泰地区)的光养群落:藻类研究的历史和现代资料。
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2021-2(26)-53-62
O. Samylina
{"title":"Phototrophic communities of Kulunda Steppe soda lakes (Altai Region): history of algological studies and modern data.","authors":"O. Samylina","doi":"10.33624/2311-0147-2021-2(26)-53-62","DOIUrl":"https://doi.org/10.33624/2311-0147-2021-2(26)-53-62","url":null,"abstract":"The Kulunda Steppe soda lakes are the only occurrence of hypersaline soda lakes in Russia. They are characterized by a variable hydrological regime with cyclic high-amplitude fluctuations of temperature and brine concentration. The algae of the Kulunda Steppe soda lakes were first studied by Soviet phycologists headed by N.N. Voronikhin in 1927–1932 and new taxa were described: algal genus Lochmiopsis Woronich. et Popova (later revised to Ctenocladus circinnatus Borzì) and cyanobacterial species Aphanocapsa salina Woronich., Synechocystis crassa Woronich., Trichormus (Anabaena) pseudovariabilis (Woronich.) Komárek et Anagnostidis, Anabaenopsis issatschenkoi Woronich., Anabaenopsis milleri Woronich., Anabaenopsis nadsonii Woronich., Oscillatoria deflexa var. crassa Woronich., Limnospira (Arthrospira, Spirulina) fusiformis (Woronich.) Komárek et Lund. Later (since 2007) studies were continued by the microbiologists from the Winogradsky Institute of Microbiology RAS. In this work, a comparison of the algological diversity found in the soda lakes of the Kulunda Steppe during periods 1929–1932 and 2007–2020 is made, and a brief overview of taxonomic problems of selected eukaryotic algae and cyanobacteria is given. In total, 33 morphotypes of cyanobacteria were identified. Most species of algae and cyanobacteria were described based on the exclusively morphological criteria. Thus, their phylogenetic position remains unclear and requires careful analysis using a modern polyphasic approach.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129592026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ecological characteristics of the composition of diatoms of benthic algocenoses in the mouth of the Oka River 奥卡河口底栖藻藻硅藻组成的生态学特征
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2021-1(25)-131-133
Khediaria Tabet
{"title":"Ecological characteristics of the composition of diatoms of benthic algocenoses in the mouth of the Oka River","authors":"Khediaria Tabet","doi":"10.33624/2311-0147-2021-1(25)-131-133","DOIUrl":"https://doi.org/10.33624/2311-0147-2021-1(25)-131-133","url":null,"abstract":"A brief description of the species composition, taxonomic structure and ecological indicators of diatoms on the right bank of the mouth section of a large eutrophic – hypertrophic river is given. The similarities and differences in taxonomic structure, a set of common and rare species of diatoms in different types of benthal communities with a more complex organization of the epilithon are shown. Satisfactory correspondence between the assessment of the composition of benthic Bacillariophyta and the physicochemical conditions of their habitat has been demonstrated.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"46 s159","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132226869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Stomatocysts of Chrysastrella paradoxa Chodat (Chrysophyceae) from herb-mosses mire at the western slope of the Subpolar Urals (Russia) 俄罗斯亚极地乌拉尔山脉西坡草本藓类泥沼中金菊的口囊
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2021-1(25)-80-84
I. Sterlyagova, E. Patova, D. Kapustin
{"title":"Stomatocysts of Chrysastrella paradoxa Chodat (Chrysophyceae) from herb-mosses mire at the western slope of the Subpolar Urals (Russia)","authors":"I. Sterlyagova, E. Patova, D. Kapustin","doi":"10.33624/2311-0147-2021-1(25)-80-84","DOIUrl":"https://doi.org/10.33624/2311-0147-2021-1(25)-80-84","url":null,"abstract":"Stomatocysts of Chrysastrella paradoxa was observed in a herb-mosses mire on the territory of “Yugyd va” National Park (the Subpolar Urals, Russia). The morphology of stomatocysts was studied by scanning electron microscopy. This is the second record of Ch. paradoxa in Russia.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132410193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Phylogenetic relationships in the genus Closterium Closterium属的系统发育关系
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2020-2(26)-151-154
N. Martynenko, E. Gusev
{"title":"Phylogenetic relationships in the genus Closterium","authors":"N. Martynenko, E. Gusev","doi":"10.33624/2311-0147-2020-2(26)-151-154","DOIUrl":"https://doi.org/10.33624/2311-0147-2020-2(26)-151-154","url":null,"abstract":"Desmids are a large polyphyletic group of streptophyte algae, numbering about 4000 species. Traditionally, the taxonomy of desmids is based on morphological characters. However, the latest molecular genetic studies of the group conflict with the established taxonomy and indicate the polyphyletic position of some genera of this group of algae. The genus Closterium Nitzsch ex Ralfs, like the family Closteriaceae Bessey, forms a monophyletic clade on the general tree of Desmidiales, recovered on the data of both 18S rDNA and rbcL cpDNA. In our analysis of phylogenetic relationships within the genus Closterium, the existing strains formed 14 clades (species complexes). Within some complexes, some strains don’t differ phenotypically, but diverge on the phylogenetic tree, which indicates a hidden taxonomic diversity within the genus.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132422912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diatoms from sediments of the Dagi geothermal system (Eastern Sakhalin) 东库页岛大吉地热系统沉积物中的硅藻
Issues of modern algology (Вопросы современной альгологии) Pub Date : 1900-01-01 DOI: 10.33624/2311-0147-2019-2(20)-274-278
I. Tsoy, E. A. Akulova, A. V. Sorochinskaya
{"title":"Diatoms from sediments of the Dagi geothermal system (Eastern Sakhalin)","authors":"I. Tsoy, E. A. Akulova, A. V. Sorochinskaya","doi":"10.33624/2311-0147-2019-2(20)-274-278","DOIUrl":"https://doi.org/10.33624/2311-0147-2019-2(20)-274-278","url":null,"abstract":"Rich diatom flora, including 245 species and varieties belonging to 96 genera, was found in the sediments of the gassing field of the Dagi geothermal system on the coast of Nyisky Bay (Eastern Sakhalin).In the sediments of the gassing field of the Dagi geothermal system on the coast of Nyisky Bay (Eastern Sakhalin). The ecological structure of diatom assemblages indicates the predominant influence of lagoon waters on the formation of their host sediments.","PeriodicalId":305989,"journal":{"name":"Issues of modern algology (Вопросы современной альгологии)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128316351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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