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The study addressed the morphometric indicators of cones and seed scales, such as length, width, and weight (before opening and after drying). Similarly, seed scales were measured, the marginal lines were described, and the number of seed scales in the cones was counted. The summary tables showed significant differences in the length and width of cones (Student's criterion). The correlation an ...

SUBJECT: cones; picea; introduced species

POSTED TO: Bulletin of Nizhnevartovsk State University

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The role of nanotechnology in solving environmental problems is increasing, and there is a need for additional research in this area. One of these environmental problems is soil salinization. During salinity stress, germination, growth and development of plants slow down, and the quantity of pigments, chlorophyll and carotenoids in leaves decreases. So does the activity of such important physi ...

SUBJECT: gossypium; chlorophylls; soil salinity

POSTED TO: Bulletin of Nizhnevartovsk State University

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This article consolidates lichenological data on foliose lichens of Azerbaijan and addresses their species diversity. It was determined that the studied lichens belong to classes Eurotiomycetes, Lecanoromycetes and Lichenomycetes of the phylum Ascomycota. They are represented by 166 species, including 8 orders: Caliciales, Candelariales, Lecanorales, Peltigerales, Teloschistales, Umbilicariale ...

SUBJECT: azerbaijan; biodiversity; lichenes

POSTED TO: Bulletin of Nizhnevartovsk State University

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The article considers common osier from the utilitarian perspective and addresses the necessity to applyprolonged-action pesticides in the plantings of intensive type. To reduce the pesticide load, it is proposed to schedule agroforestry activities taking into account the seasonal dynamics of annual shoot growth. The study aims to identify patterns of seasonal dynamics of daily increment of an ...

SUBJECT: biological rhythms; pesticides; salix viminalis

POSTED TO: Bulletin of Nizhnevartovsk State University

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The article presents the study of the life cycle of three strains (Pk20j, Ch55 and Sv31j) of filamentous nitrogen-fixing cyanobacteria Nostoc cf. punctiforme Vauch. The wide distribution, high adaptation potential, tolerance to the artificial cultivation conditions, high growth rates and peculiar features of physiological and biochemical processes (propensity for oxygenate photosynthesis, nitr ...

SUBJECT: life cycle; cyanobacteria; nostoc

POSTED TO: Bulletin of Nizhnevartovsk State University

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To contribute to the comprehensive study of atmospheric pollution in Siberia, aircraft soundingwas carried out in Northwestern Siberian along the following route: Novosibirsk – Surgut – Igarka – Novosibirsk. This work was aimed at studying the quantity and representation of culturable microorganisms and other biogenic components of the atmosphere at altitudes up to 8,000 m. The air samples wer ...

SUBJECT: atmosphere; cell culture; enzyme activity

POSTED TO: Bulletin of Nizhnevartovsk State University

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The paper presents a study of indicative and remediative properties of chestnut-leaved oak Quercus castaneifolia C. A. Mey found in the Republic of Azerbaijan.The study aimed to assess the prospects of using this plant in the management of environmental quality in Azerbaijan. Four test sites, which differ in the degree of environmental pollution, were selected for the study. Two test sites are ...

SUBJECT: quercus castaneifolia; phytoremediation; urban land

POSTED TO: Bulletin of Nizhnevartovsk State University

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Quality of drinking water in mining areas

Khasanova, R. F. et al. [2019]

The paper presents the results of a drinking water quality study in towns located in the mining areas of the Republic of Bashkortostan, The Russian Federation. The objects of the study were underground water supply sources and water distribution networks of the towns of Uchaly, Sibay, and Baimak. In total, 30 water wells were examined, and five water samples were collected from the water distr ...

SUBJECT: heavy metals; water pollution; drinking water systems

POSTED TO: Bulletin of Nizhnevartovsk State University

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Currently, one of the main economic policies of the Russian Federation in the field of food security is production of safe food and consumer protection. The aim of the research was to study the content of such toxic elements as Zn, Cd and Pb in milk and blood of cows. Experimental studies were carried out at stud farms Plemzavod Tayozhny LLC in Suhobuzimsky District and OPH Solyanskoe LLC in R ...

SUBJECT: toxic substances; heavy metals; blood

POSTED TO: Bulletin of Nizhnevartovsk State University

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The incidence of listeriosis has been rising 1980s. Epidemic outbreaks are becoming more widespread and are accompanied by high mortality. The most common cause of infection is consumption of food contaminated with pathogenic Listeria species, in particular L. monocytogenes. Listeria bacteria are psychrophiles, live in all media of the environment, and easily move from saprotrophic to parasiti ...

SUBJECT: infection; listeria; immunoenzyme techniques

POSTED TO: Bulletin of Nizhnevartovsk State University

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