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Nina A. Bondarenko,Olga I. Belykh,Ludmila P. Golobokova,Olga V. Artemyeva,Natalia F. Logacheva,Irina V. Tikhonova,Irina A. Lipko,Tatyana Ya. Kostornova,Valentina V. Parfenova,Tamara V. Khodzher,안태석,조영 한국미생물학회 2012 The journal of microbiology Vol.50 No.1
Biological entities and gradients of selected chemicals within the seemingly barren ice layers covering Lake Baikal were investigated. Ice cores 40–68 cm long were obtained from inshore and offshore sites of Southern Lake Baikal during the cold period of a year (March-April) in 2007 and 2008. In microscopic observations of the melted ice, both algae and bacteria were found in considerable numbers (>103 cells/L and >104 cells/ml, respectively). Among all organisms found, diatom was generally the most predominant taxon in the ice. Interestingly, both planktonic and benthic algae were present in considerable numbers (2–4×104 cells/L). Dominant phototrophic picoplankton were comprised of small green algae of various taxa and cyanobacteria of Synechococcus and Cyanobium. The bacterial community consisted mostly of short rod and cocci cells, either freeliving or aggregated. Large numbers of yeast-like cells and actinomycete mycelium were also observed. Concentrations of silica, phosphorus, and nitrate were low by an order of magnitude where biota was abundant. The profile of the ice could be interpreted as vertical stratification of nutrients and biomass due to biological activities. Therefore, the organisms in the ice were regarded to maintain high activity while thriving under freezing conditions. Based on the results, it was concluded that the freshwater ice covering the surface of Lake Baikal is considerably populated by extremophilic microorganisms that actively metabolize and form a detritus food chain in the unique large freshwater ecosystem of Lake Baikal.
Muzyka, Sergey Mikhailovich,Bondarenko, Olga Valentynovna,Makarova, Elena Aleksandrovna The National Institute of Biological Resources 2015 Journal of species research Vol.4 No.2
The correlation coefficient (r) between the meteorological parameters and the gross biological productivity of the most common mycorrhizal mushrooms was determined. The results can be both of theoretical and practical importance.
Zahorskyi, Volodymyr,Bobrovskyi, Oleksii,Bondarenko, Dmytro,Karpa, Marta,Akimov, Oleksandr,Akimova, Liudmyla International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.8
The main purpose of the study is to analyze the features of ensuring information security in the system of public administration of the constant development of the region. The actualization of the research topic is because the information has become a powerful means of manipulating the public and individual consciousness, as well as a real weapon used in new types of conflicts, confrontations, and confrontations. Creating opportunities for everyone to access information sources, developing the ability to use it, and at the same time protecting people from dirty information flows create a kind of subject-research field, one of the most relevant aspects of which is the problem of forming and implementing information security policy at the state, public and civil levels. The research methodology involved the use of theoretical and scientific methods. As a result of the study, the key features of ensuring information security in the system of public management of the continuous development of the region of the EU countries were identified.
Sergey Mikhailovich Muzyka,Olga Valentynovna Bondarenko,Elena Aleksandrovna Makarova 국립생물자원관 2015 Journal of species research Vol.4 No.2
The correlation coefficient (r) between the meteorological parameters and the gross biological productivity of the most common mycorrhizal mushrooms was determined. The results can be both of theoretical and practical importance.
Modern Innovative Research in the Field of Education
Ganna Taran,Dmytro Chornomordenko,Nataliia Bondarenko,Danylo Bohatyrov,Mykola Spiridonov,Vasyl Matviiv International Journal of Computer ScienceNetwork S 2023 International journal of computer science and netw Vol.23 No.12
The main purpose of the study is to identify the key aspects of modern innovative research in the field of education. In the modern informatized world, education is becoming a decisive factor in social development and an important component in the development of the human personality, increasing respect for human rights and freedoms. Today it is quite obvious that without the necessary education a person will not be able to provide himself with proper living conditions and realize himself as a person. The high level of education of the population is an important factor that positively influences the creation of favorable conditions for the full realization of the rights and freedoms of man and citizen. Today, active and interactive teaching methods are widely used. The use of interactive teaching methods ensures complete immersion of students in the learning process and is the main source of learning. The radical difference between traditional and interactive learning is that the student not only replenishes and strengthens his knowledge, but also complements and constructs new ones. The methodology includes a number of theoretical methods. As a result of the study, current trends and prerequisites of modern innovative research in the field of education were investigated.