ISSN 1995-4301
(Print)

ISSN 2618-8406
(Online)

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3 issue of the journal in 2018

2 issue of the journal in 2018

1 issue of the journal in 2018

4 issue of the journal in 2017

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Selected 2018 Year.
Issue: 3
Year: 2018
Title Assessment of titanium dioxide nanoparticle effects on living organisms
Section Theoretical problems of ecology
Сontributors V. I. Polonskiy, A. A. Asanova
Abstract Nanoparticles causing an unprecedented type of industrial pollution directly affect on all objects of the environment and therefore on all types of living organisms. So, these risks have to be evaluated. This review analyzes the world literature about effects of titanium dioxide nanoparticles on living organisms of various habitats. Currently, ecotoxicity issues of engineered nanoparticles are studied using bioassays with cell cultures and test organisms. The most commonly used test objects for toxicity assessment of nanoparticles are unicellular algae, water crustaceans, plants, mammalian and human cells. It has been established that the most sensitive organisms to titanium dioxide nanoparticles are unicellular algae and water crustaceans, EC 50 values were observed at a concentration of 1 mg/L. This suggests that aquatic ecosystem is one of the most vulnerable objects of the environment to nanoparticles. The high sensitivity of these organisms places them on a par with very promising biotest assays for quality monitoring of the environment which is contaminated with silver nanoparticles. Titanium dioxide nanoparticles have both positive and negative or neutral effects upon plants and these effects depend on concentration. The assays with mammalian and human cells show a negative effect of titanium dioxide nanoparticles at concentration above 100 mg/L or have no effect at all. The size-depended toxicity analyses revealed that the less nanoparticles size was the greater toxic effect was. In the final analysis, the responses of living organisms of various habitats to the presence of titanium dioxide nanoparticles in the environment are insufficiently investigated. There is insufficient data in world literature about size-dependent toxicity of these nanoparticles to various organisms. These issues require further study.
Keywords titanium dioxide nanoparticles, biotest, plants, algae, crustaceans, cells, size-dependent toxicity of nanoparticles
DOI:10.25750/1995-4301-2018-3-005-011
Views:7

Issue: 3
Year: 2018
Title Comparative analysis of the effectiveness of the use of sorbents of different nature with respect to copper(II) ions
Section Research methods. Models and projects
Сontributors S. G. Skugoreva, G. Ya. Kantor, L. I. Domracheva, T. I. Kutyavina
Abstract A comparative analysis of the efficiency of sorbents of various types (activated carbon, zeolite, peat, fungi Fusarium culmorum , cyanobacteria Nostoc paludosum K ü tz, grass Hordeum distichum L.) with respect to copper(II) ions was car - ried out. Potentiometric method for measuring the potential of an ion-selective electrode sensitive to concentration of copper(II) ions in the solution was used. The sorption curves were recorded in real time with the help of specially devel - oped original software for the ionomer. To describe the kinetics of sorption, mathematical models (pseudo-first order and pseudo-second order models, second-order modified model, and Elovich’s model) were used to identify the contribution of the chemical stage to the sorption process. It was found that the sorption process of most sorbents is well described by a pseudo-second order model or a modi - fied pseudo-second order, according to which the sorbate and the sorbent functional group interact with each other at a 1:1 ratio. The parameters of the equation of the pseudo-second-order model are calculated: the kinetic coefficient ( k 2 ) determining the sorption rate, and the equilibrium (limiting) specific mass of the sorbate ( a e ), which corresponds to the sorption capacity of the sorbent. Series of sorbents have been ranked by decreasing the rate of sorption and sorption capacity. The comparison of the kinetic curves shows that sorbents of inorganic nature, zeolite and activated carbon have the least sorption effectiveness. The sorption potential of microorganisms and peat can be characterized as average. The most effective sorbents of heavy metal ions were samples of barley plants, which possessed the highest sorption rate and high sorption capacity. The use of microbial-plant associations as sorbents of heavy metals may be promising. It is necessary to select microorganisms and plants to create various associations for study the kinetics of sorption with the aim of optimizing sorption effectiveness.
Keywords copper ions (II), sorption, sorption rate, sorption capacity, pseudo-second order model, activated carbon, zeolite, peat, Fusarium culmorum, Nostoc paludosum , Hordeum distichum

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DOI:10.25750/1995-4301-2018-3-012-018
Views:8

Issue: 3
Year: 2018
Title Modern trends in the development of bioassay methodology of aquatic environments
Section Research methods. Models and projects
Сontributors A. S. Olkova
Abstract Bioassay is now an integral part of the “Effect-directed analysis” (EDA). We analyzed current research in the field of biodiagnostics and environmental monitoring programs, which used bioassay methods. The modern bioassay methodol - ogy is developing in the following areas: the development and implementation of new bioassay methods, the development of special bioassay devices, the detection of new informative test-functions based on the accounting of sublethal effects in laboratory organisms, the evaluation and interpretation of the results of toxicological analysis of environmental components. We propose three directions for evaluation and optimizing bioassay approaches and methods. First, we propose an algorithm for selecting protocols of bioassay. This algorithm is based on the ranking of sensitivity of bioassay methods to the most important pollutants in the territory of research. This approach will allow using only the most informative and sensitive bioassay protocols in the further researches. The second direction in optimization of bioassay methods is strict standardiza - tion of maintenance conditions of test-organisms. We recommend verification of the influence of abiotic and biotic factors on the test culture during the entire life cycle of individuals of a biological species. Life expectancy and ability of individuals to reproduce are universal criteria of health for many animals. The third part of our work is the development of a system of test-functions for laboratory animals consistently evaluated during a toxicological experiment. This approach allows tak - ing into account the different effects (lethal, sublethal, chronic and delayed) in the process of testing various substances or aquatic environments. We tested this system of bioassay using Daphnia magna . The system of test-functions includes 14 response effects, which we took into account in three generations of crustaceans. The earliest responses of D. magna are estimated from changes in motor activity and trophic activity of crustaceans. Delayed effects are diagnosed by changes in fertility in the F 2 and F 3 generations, as well as the emergence of abortive eggs. Implementation of the proposed directions of bioassay optimization will allow taking into account the multiplicity of obtaining objective results of ecotoxicological analyses. Researchers can consistently use three parts of evaluation and optimizing of bioassay approaches at the planning stage of enviro
Keywords bioassay, bioassay methodology, methods of bioassay, test-function, laboratory test-organism
DOI:10.25750/1995-4301-2018-3-019-026
Views:7

Issue: 3
Year: 2018
Title Reducing the environmental threat of motor vehicles by converting engines for operating on natural gas
Section Research methods. Models and projects
Сontributors V. Romanyuk, V. A. Likhanov, O. P. Lopatin
Abstract The article explains the necessity of using natural gas (NG) for motor vehicle diesel engines, which makes it possible to reduce their environmental threat and to save motor oil fuel. The composition of the NG used and its physic-chemical properties are presented in the article. In order to determine and to optimize the amount of the NG supplied for motor diesel engines, the authors of the article have tested them on the electro-brake testing bench SAK-N670, which has a balanced pendulum and the weighing machine “Rapido”. At the same time, the toxicity level of the exhaust gases (EG) was determined using an automatic gas analysis system “ASGA-T”, and the smoke intensity of the exhaust gas was estimated using an optical-electric reflectometer “Bosch EFAW-68A”. It has been experimentally established that for the NG using in the tested motor vehicles diesel engines, it is necessary to maintain the following ratio of components: gas should be 80%, diesel fuel filling should be 20%. When converting diesel engine 4F 11.0/2.5 installed on trucks and tractors of urban public utilities to NG, and while the simultaneous use of exhaust gas recirculation (EGR) in it at a rate of 20% (EGR is applied to eliminate the increased nitrogen oxides as a result of using NG), the content of nitrogen oxides (NO x ) in EG is reduced by 30.0–30.1%, carbon soot is reduced by 82.0–88.7%; carbon dioxide (CO 2 ) is decreased by 31.6–35.6%. When converting a diesel engine 4FC 11.0/12.5 installed on city passenger buses to NG, in the EG a decrease in NO x content by 5.5–35.1% occurs; carbon soot decreases by 88.2–92.0%; carbon monoxide (CO) decreases by up to 21.6%. The conversion of these motor diesel engines to work on NG, in addition to improving the environmental performance of their EG indicators, also helps to save oil motor fuel in the amount of 80%.
Keywords natural gas, exhaust gases, diesel, ecology of city

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DOI:10.25750/1995-4301-2018-3-027-032
Views:8

Issue: 3
Year: 2018
Title Military activity influence on some metals content in the Saur-Mogila soil, Donbas
Section Monitoring of anthropogenically disturbed areas
Сontributors A. S. Alemasova, Y. I. Penkova, A. S. Pivovarova, R. V. Ostapenko
Abstract Soil samples were collected from funnels after artillery shelling (summer 2014) on burial mound Saur-Mogila (Donbas, Ukraine) as well as from urban garden soil near motorway in the Donetsk central district in order to determine the concentration of 11 toxic metals total content, acid-soluble forms and mobile forms. The concentrations of toxic met - als Cd, Pb, Sr, Mo, Zn, Cu, Ni, Co, Ga, Mn, Tl were compared with maximum permitted concentration and background level. The results quality was controlled by standard addition method. The mean concentrations of Cd (2 samples) and Co (one sample) exceeded the guidelines while the other metals did not exceed. The level of Zn, Cu, Mn, Pb, Ni, Cd total and mobile forms in funnels soils was 2–7 times lower than in polluted urban garden soil. The sources of toxic metals in Donetsk garden soil may be from traffic and industrial emission. The total pollution index (Z c ) is much lower than the “permissible” category. The index of metals mobility (S n ) indicates their insignificant mobility with the exception of lead acid-soluble forms. The obtained results testify to the need for further systematic monitoring of the soils of battlefield in Donbas. These results refuted the hypothesis as for soil toxic metals content influence on observable state of vegetation in “Donetskiy Kryazh” landscape park near Saur-Mogila burial mound.
Keywords toxic metals, total content, mobile forms, soils, funnels from artillery shelling, urban lawn soil
DOI:10.25750/1995-4301-2018-3-033-039
Views:4

Issue: 3
Year: 2018
Title Comparative analysis of artesian water quality
Section Monitoring of anthropogenically disturbed areas
Сontributors T. N. Ashurbekova, N. G. Isaeva, A. N. Murzaeva, E. M. Musinova, Z. G. Gadzhimusaeva, R. А. Abduragimov
Abstract Water quality is an essential part of a human life. The availability of high-quality drinking water is one of the main issues in Russia. One of the most important directions of economic and social development of the Chechen Republic is to provide the population with clean drinking water. The paper presents the results of research of drinking water quality in artesian wells in the Chechen Republic. Artesian well water in stanitsa of Chervlyonnaya in Shelkovskoy District, stanitsa of Naurskaya in Naursky District and stanitsa of Petropavlovskaya in Groznensky District of the Chechen Republic contains heavy metals, such as cadmium (Cd), lead (Pb) and arsenic (As). The presence of heavy metals in the above-mentioned artesian wells can be attributed to the geological structure of the territory of the Chechen Republic situated on the rocks of Jurassic and Paleogene age. As confirmed by measurements, samples of water were found to have cadmium levels above the maximum permissible concentration (water taken from wells in stanitsa of Chervlyonnaya – 5 times, stanitsa of Naurskaya – 7 times and stanitsa of Petropavlovskaya – 9 times). The content of lead in all the samples exceeded the MPC by 4–5 times. The samples also contained arsenic at levels that exceeded the maximum permissible concentration by 4.8 times in stanitsa of Chervlyonnaya, by 1.5 times in stanitsa of Naurskaya and by 6.2 times in stanitsa of Petropavlovskaya. Arsenic, lead and cadmium are toxic elements and long-term exposure to them is known to cause cancer. Multi-year studies of public health in the Chechen Republic show increase of cancer rates among the population.
Keywords artesian water, heavy metals, lead, cadmium, arsenic, maximum permissible concentration, oncologic diseases
DOI:10.25750/1995-4301-2018-3-040-047
Views:4

Issue: 3
Year: 2018
Title Development of plankton communities in the anthropogenic hydrothermal conditions
Section Monitoring of anthropogenically disturbed areas
Сontributors N. A. Tashlykova, E. Yu. Afonina
Abstract An electric power plant induced increase in water temperature substantially affects aqueous medium. Any hydraulic facility zones to be artificially heated and used by power plants may be considered as peculiar “anthropogenic hydrothermal systems”. Interrelation properties of specific abiotic and biotic parameters of such extreme ecosystems shall be studied at large for understanding hydraulic facility ecosystem biological efficiency and trophic status alteration factors. This paper applies to analysis of relations between hydrothermal zone environment factors and basic characteristics of the plankton population in the Kharanorskaya State District Power Station (Trans-Baikal Territory) cooling reservoir. The population of planktonic animals and plants were studied at a thermal zone of the cooling reservoir by using standard hydrobiologic methods for the period of February to October, 2013. Hydrochemical samples were processed at the industrial sanitary laboratory of INTER RAO-Electroenergy JSC, Kharanorskaya SDPS branch using common techniques. It was found that phytoplankton contained 40 taxonomic groups of algae and 25 invertebrate species of animal plankton. Chlorophyta, Bacillariophyta and Crysophyta dominated in algocenosis amounted to 80% of the total taxonomic groups. As for Rotifera, it dominated in animal plankton cenosis amounted to 40% of the total species. It is demonstrated that the dominated complex varies seasonally. Quantity of phytoplankton and animal plankton has been specified. The algal species diversity has drastically reduced and quality of inver - tebrate animals has fallen down within the period when water was maximally warmed up since temperature values jumped up and oxygen content come down. With some aquatic organisms (i.e. algae and invertebrate animals) taken as an example, it was found that the offset and extension of organism growth periods induce a primary reaction to particular thermal load increase factors. Inverse temperature correlation was identified at surface and natural water layers to have specific abiotic parameters in relation to clear water and nitrate levels in water. As provided by biotic plankton sampling statistical data, it was found that temperature, cation and anion water composition, as well as suspended solid concentration are the main factors that affect growth of organisms in the anthropogenic water reservoir of the hydraulic facilities.
Keywords phytoplankton, zooplankton, abundance, biomass, anthropogenic hydrothermal, principal component analysis, cooling reservoir of Kharanorskaya electric power station

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DOI:10.25750/1995-4301-2018-3-048-054
Views:5

Issue: 3
Year: 2018
Title Migration of pollutants and contamination of groundwater when mining iron ore
Section Monitoring of anthropogenically disturbed areas
Сontributors Yu. A. Babushkina, N. N. Nazarenko
Abstract The article considers the problem of migration of chemical pollutants into the aquatic environment of iron ore mining area on the example of JSC “Sokolovsko-Sarbaiskoye Ore-dressing Production Association” (Kazakhstan). The materi - als of the study where samples of groundwater selected at the plant for the extraction of magnetite ore, on the border of the sanitary protection zone and beyond. Sampling of water was carried out in accordance with Russian State Standard GOST 31861-2012 in the period 2012–2016 years. Analysis of samples was carried out by an accredited laboratory on such factors as pH, dry matter, suspended mat - ter, calcium, magnesium, sulfates, chlorides, phosphates, bicarbonates, nitrates, nitrites, ammonia nitrogen, total iron, oil, aluminum, lead, zinc, nickel, cobalt, manganese and boron. The results shows that the magnitude of the concentration of sulfates, chlorides, nitrates, dryness, nitrites, ammonia nitrogen, boron, manganese in underground water directly in the production area exceed their maximum permissible values. The critical points of impurities were identified such as a lower sump of quarry, upper sump pit and drainage ditch with the highest rates of sulfates, chlorides, nitrates, dryness, nitrites, ammonia nitrogen, boron, calcium, magnesium and bicarbonates. The main trends of groundwater pollution in the area of the location of the iron ore mining enterprise are revealed. For the vast majority of pollutants, sharp annual fluctuations of indicators are not observed, the level of pollution is stable, and there is no tendency to reduce the level of groundwater pollution. At the same time, no excess of pollutants was detected outside the sanitary protection zone of the enterprise. This indicates that migration of pollutants beyond the sanitary protection zone of the enterprise is not observed
Keywords migration of chemical pollutants, mining enterprise, iron ore, technogenic pollution, groundwater

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DOI:10.25750/1995-4301-2018-3-055-061
Views:2

Issue: 3
Year: 2018
Title Ecology and structure of Goodyera repens (L.) R. Br. (Orchidaceae) coenopopulations in the Northern Urals
Section Population ecology
Сontributors I. A. Kirillova, S. V. Degteva, Y. A. Dubrovskiy, A. B. Novakovskiy
Abstract Data on ecology, phytocoenological preferences and population structure of the species Goodyera repens (L.) R. Br. of Orchidacea family in the Northern Urals are considered. Investigations were carried out during 2000–2016 in the three protected areas: Pechoro-Ilychsky reserve, Un’insky complex sanctuary and Yugyd Va national park. 23 coenopopulations were studied. 72 releves with G. repens were used to study phytocoenotical preferences and eco - logical parameters of the species. The species has wide phytocoenotical range establishing various forest formations and forest types – green moss, herb and sphagnum, being more often in the communities of association Piceetum myrtilloso-hylocomiosum . The species establishes mainly ecotopes with medium humidity and weakly acid poor soils, and refers to the semi-shadow group of plants according to Ellenberg’s scale. The studied coenopopulations are small and full up to 500 individual shoots. Spatial structure of G. repens coenopopulations was determined by occurrence of well-developed isolated clusters resulted from prevailing vegetative reproduction of the model species. In the Komi Republic, such clusters ranging from 1 to 3–6 m 2 size consist of several tens or hundreds of individual plants with an average density from 9 to 224 shoots per m 2 . All the coenopopulations under study were full and their ontogenetic spectra were similar with the prevalence of immature or adult vegetative shoots. Average ontogenetic spectrum of all the coenopopulations under study was as follows: juvenile shoots – 8.7%, immature – 39.8%, adult vegetative – 37.7%, generative – 13.8%. It corresponds to the basic spectrum of the species that is the evidence of the stable population’s state. We suggest that G. repens is well adapted to the Northern Urals where there are many suitable ecotopes in the large arrays of intact forests.
Keywords Goodyera repens (L.) R. Br., orchids, coenopopulation structure, the Northern Urals

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DOI:10.25750/1995-4301-2018-3-062-068
Views:3

Issue: 3
Year: 2018
Title Anthropogenic adaptation of reproductive biology of conditional-synanthropic birds
Section Population ecology
Сontributors L. Kuchar, Е. S. Ivanov, А. V. Baranovskiy, D. V. Vinogradov, Ja. Leśny, А.V. Schur
Abstract The article is devoted to studying mechanisms of synanthropization and ecological segregation of birds in an - thropogenic landscapes. The paper presents data on the adaptability of the anthropogenic specifics of nesting behavior of the spotted flycatcher, a conditional-synanthropic bird species. This species is generally liable synanthropization, however, it does not occur in the most urbanized parts of the cities, preferring moderately modified habitats. It is shown that anthropogenic landscape contributes to the formation of new forms of birds’ behavior, which are a response to the environment. But not all of these forms are adaptive and some are peculiar ecological traps. Such peculiarities of behavior do not increase, but even decrease the reproductive success of birds, which is not always easy to establish, because as a whole the results of the synanthropic population breeding may be higher than in the wild, due to different intensity of the influence of the limiting factors of the environment. Data on the analysis of nesting and reproductive success of wild and synanthropic populations are presented. It is pointed out that the spotted flycatcher has specific main reproductive parameters in the anthropogenic landscape, which is the result of the reaction of birds to the features of synanthropic ecosystems and the unequal effect of the same environmental factors on them in natural and anthropogenic biocenoses. It manifests itself primarily in changing the time of the reproductive period and the widespread use of anthropogenic bases for nests fastening. There is also a higher reproductive success in the anthropogenic landscape, which we associate with more favorable microclimate and the ratio of specialized and non-specialized predators (prevalence of the latter), different than in nature.
Keywords adaptation, birds’ segregation, ecosysems, nesting, ecology, spotted flycatcher, population
DOI:10.25750/1995-4301-2018-3-069-077
Views:2

Issue: 3
Year: 2018
Title Specific character of soil “blooming” in agricultural and urbanized territories
Section Population ecology
Сontributors L. V. Kondakova, L. I. Domracheva, I. A. Kondakova
Abstract Specious content and quantity characteristics of microorganiams which lead to soil “blooming” in natural, anthro - pogenic, and urbanized ecosystems are shown in the article. In natural ecosystems algae and cyanobacteria communities develop in gradual succession stages, from unicellular green algae and Xanthophyta, filamentous green algae and non- heterocyst cyanobacteria to heterocyst cyanobacteria. Agricultural soil “blooming” has some peculiarities, irrespective of the place, season, soil type, dominating groupings. Among the “blooming” dominants cyanobacteria and green algae of the geni Cylindrospermum, Nostoc, Anabaena, Klebsormidium etc prevail. In agro-coenoses there is a direct connection between doses and terms of fertilizer treatment and the stage of development of the surface growth. Urban soils suffer from more intensive and diverse impact, as compared with agricultural and natural ecosystems soils. The specious content of phototrphs shows that in late summer surface biofilms represent many-species communities with different species of cyanobacteria and diatoms dominating. Cell density in “blooming” films is very high, it varies from 18 to 47 million cells per cm 2 . Various city pollutants provide diversity of phototrophic groups.
Keywords soil “blooming”, soil algae, cyanobacteria, micromycetes, bioindication

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DOI:10.25750/1995-4301-2018-3-078-085
Views:4

Issue: 3
Year: 2018
Title Biodegradation of vegetable waste and obtaining fruit bodies in cultivation of Hericium erinaceus
Section Agroecology
Сontributors A. А. Shirokikh, Yu. A. Zlobina, I. G. Shirokikh
Abstract Development of technologies for biodegradation of plant wastes in order to obtain new useful products can not only reduce pollution of the environment, but also provide a raw material base for biotechnology. The possibility of using the basilial xylotrophic fungus Hericium erinaceus as a destructor of plant wastes with simultaneous production of economically valuable secondary products was studied. As a nutrient substrate for the production of fruiting bodies of the fungus, mixtures of straw, oak sawdust and oat grain were used in various proportions. The productivity of the raw compacted substrate was calculated as the ratio of the mass of fruiting bodies of fungi obtained from one vessel to the initial mass of the substrate. The intensity of decomposition of the substrate was judged by the decrease in its biomass during the period of cultivation of the fungus. It is shown that in order to achieve a high degree of biodegradation of cellulose and lignin-containing waste and to obtain the maximum harvest of fungi, it is necessary to include a readily hydrolysable grain component in an amount of not less than 30% by volume in the nutrient substrate. By varying the concentration of the grain, it is possible to regulate the growth rate of the mycelium, the yield of the fruiting bodies and the degree of biodegradation of the substrate.
Keywords Hericium erinaceus , lignocellulosic waste, artificial cultivation, nutrient substrate, yield of fruit bodies, productivity of substrate, degree of decomposition

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DOI:10.25750/1995-4301-2018-3-086-092
Views:3

Issue: 3
Year: 2018
Title Method for processing lignin-containing wastes from the paper industry to produce sorbents for wastewater treatmen
Section Ecologization of industry
Сontributors Y. I. Vaysman, I. S. Glushankova, E. S. Shirinkina, S. F. Davletova
Abstract Pulp and paper mill requires large amount of resources and energy. Technological processes of pulp and paper mill are associated with high water consumption (10–20 m 3 per ton of final product) and high consumption of wood raw materials and electricity (1080–1100 kg of raw materials and 300–350 kWh of electricity per ton of final product). The most environmentally hazardous objects in pulp and paper mills are cellulose production, which is followed by the formation of liquid waste – waste liquors containing lignosulfonates, the treatment of lignosulfonates is a compli - cated technological problem. Lignosulfonates are practically not subjected to biological degradation and the extraction of liquor together with industrial wastewater into biological treatment facilities leads to a significant reduction in the efficiency of water purification and increase contamination of hydrosphere objects. Despite the possibility of using liquid lignosulfonates as surfactants, reagents for the preparation of drilling muds, a binder in the production of wood chipboards, fiberboards, the scale of their use is limited due to the volatility of the composition and structure of the waste. The disposal of waste at landfill sites leads to long negative impacts on environmental objects, incineration of waste will be followed by emissions of toxic substances and it would be necessary to use expensive waste gas purification technologies. One of the directions of lignosulfonates treatment is their thermal destruction with the production of carbon sor - bents, which allows not only treating waste, but also obtaining cheap sorption materials for wastewater and gas emissions treatment. The paper presents the results of thermochemical pyrolysis process researches of lignosulfonates formed during the production of cellulose from birch chips, the results of obtaining carbon sorbents, determining the main factors affecting the yield of the sorbent, its physicochemical and sorption properties: the pyrolysis temperature, the processing time, the ratio of lignosulfonate: hydroxide potassium. Determination of the sorbents porous structure parameters and the specific surface was carried out on the basis of an analysis of nitrogen adsorption isotherms at a temperature of 77 K (-196 о C) obtained from the Quantum Hydrocarbon Analyzer NOVA 1200e and calculated using the metod BET (Brunauer, Em - mett and Teller) of the polymolecular adsorption theory and the Dubinin-Radushkevich eq
Keywords lignosulfonates, carbon sorbents, porous structure, sorption activity, ion-exchange capacity, chromium ions
DOI:10.25750/1995-4301-2018-3-093-099
Views:3

Issue: 3
Year: 2018
Title Modified sorbents based on soda production sludge for extracting ions of heavy metals from aqueous solutions waste water
Section Ecologization of industry
Сontributors I. S. Glushankova, E. V. Kalinina, E. N. Demina
Abstract The purification of industrial and surface wastewater from heavy metal ions (HMI) to requirements for the discharge of treated wastewater into natural waters is one of the most complicated environmental and technological problems. For the deep purification of waste water from the HMI, the use of cheap sorbents obtained from production waste is the most promising. One of the many-tonnage wastes of technology of inorganic substances is the sludge formed in the production of soda by the ammonia Solvay,s method. Currently, sludge is stored in sludge accumulators and is a long-term source of pollution of environmental objects. Scientific developments in the utilization of slimes with the production of building materials, etc., have not found wide practical use, which is due to the heterogeneity of the granulometric and chemical composition of the waste. Carried out X-ray phase analysis and studies of the physicochemical and chemical properties of waste samples showed that its main components are calcium carbonate (calcite) and calcium hydroxide (portlandite). It is known that the natural mineral limestone efficiently extracts HMI from aqueous solutions with the formation of less soluble basic salts, carbonates, and hydroxy carbonates of HM. It has been established that sludge samples have high sorption activity when copper(II) and zinc ions are extracted from low concentrated solutions (sorption capacity for copper ions is 35.0 mg/g, sorption capacity for zinc ions is 40 mg/g). To increase the operational properties, a method has been developed for the production of a modified granular sorbent based on the sludge of soda production, consisting in treating with sodium silicate. The effect of a dose of sodium silicate in the sorbent composition on the mechanical strength and sorption properties of the obtained samples was studied. It has been established that the introduction of 8,6% SiO2 into the sludge leads to an increase in the mechanical strength by 50–80%, and does not have a significant effect on the sorption activity of the material. The kinetic and sorption regularities of extraction of copper(II) ions and zinc on modified sorbents are revealed. Based on the analysis of the adsorption isotherms obtained, the adsorption equilibrium constants and maximum adsorption values (Amax (Cu2+) = 50.8 mg/g; Amax (Zn2+) = 97.1 mg/g) were determined. Obtained sorption materials can be recommended for wastewater treatment from HMI.
Keywords heavy metals ions, soda production sludge, calcium carbonate, sorbents, sorption capacity
DOI:10.25750/1995-4301-2018-3-100-108
Views:2

Issue: 3
Year: 2018
Title Production of environmentally safe building materials on the basis of the waste foundry sand
Section Ecologization of industry
Сontributors Ya. I. Vaisman K. G. Pugin, L. V. Rudakova, I. S. Glushankova, K. Y. Tyuryukhanov
Abstract The object of the research was the waste foundry sand of one of the typical steelmaking enterprises. Estimation of pollutant emissions from the composition of waste foundry sand has shown their low emission and biological activity, which allowed to develop a technology for its utilization with obtaining environmentally safe construction material. The granulometric composition of the waste foundry sand was determined with an average grain size of 0.38 mm. Based on the results of the analysis of buffer extracts, the content of heavy metals in the samples of waste foundry sand in mobile form was determined. Heavy metals (lead, zinc, chromium, nickel, manganese), as well as phenol and formaldehyde, were chosen as the indicators. Samples of waste foundry sand contain formaldehyde in mobile form exceeding the limits for soil. It has been proposed to use formaldehyde-containing sand in a dense and hydrophobic structure, such as asphalt concrete, to reduce the formaldehyde emission. Investigations of the physical and mechanical properties of waste foundry sand showed that it is suitable for use as a mineral aggregate in the production of asphalt concrete mixtures. The conducted studies of asphalt concrete samples in the composition, which as a fine mineral filler used waste foundry sand, showed that it meets the requirements of Russian standard GOST 9128-2013. Physico-mechanical characteristics of the asphalt-concrete mixture correspond to asphalt concrete of B type I grade. The proposed recycling technology is possible without significant capital investment in most steel mills. The implementation of this technology will reduce the industrial impact on the environment in the locations of the steel plant.
Keywords sand waste, recycling, asphalt, industrial waste, construction materials
DOI:10.25750/1995-4301-2018-3-109-115
Views:2

Issue: 3
Year: 2018
Title Population and biological preconditions for the cattle retroviruses’ expansion
Section Social ecology
Сontributors D. Abdessemed, E. S. Krasnikova, V. A. Agoltsov, A. V. Krasnikov
Abstract This research was aimed at studying of population and biological aspects of cattle retroviruses’ expansion, such as breed and age of animals, form of head ownership, retroviruses biology. Bovine leukemia virus ( BLV ) and bovine immuno - deficiency virus ( BIV ) are retroviruses which cause chronic incurable diseases of cattle. These agents have a phylogenetic relationship with similar pathogens in humans. There is a possible danger of viral entry to humans through the consump - tion of infected foodstuffs. 773 blood samples from Black-and-White, Holstein, Simmental, Kazakh White-headed and crossbred cattle of different districts of the Saratov region were analyzed by polymerase chain reaction (PCR). Studies reveal that bovine immunodeficiency and bovine leukemia viruses are spread widely in cattle of the Saratov region: 30.5% and 39.8% on average, respectively. The infection rate varies considerably depending on age-sex group affiliation and cattle ownership. BIV and BLV infection rates increase with the animals age, especially among farm herd. Significant epizootic feature of retroviral infections in cattle in the Saratov region is a high level of retroviral coinfection – 25.2% on average. The clinical complications of BIV infection, confirmed by laboratory studies, were most frequently recorded in cattle aged 5–10 years. For analysis of diagnostic accuracy of serological and molecular genetic methods for enzootic bovine leucosis diagnosis, 271 cattle blood samples were studied by PCR and AGIDT (agar gel immunodiffusion test) in parallel. The comparative analysis shows that diagnostic efficiency of AGIDT in comparison to PCR is 30.8%. Taking into account the retroviruses biological features, the PCR assay can be recommend as a screening method for BLV -infection revealing, especially when the imported cattle are quarantined at the place of keeping. In herds with high BLV -infection level, cattle should be tested for BIV presence to stop the cattle retroviruses’ expansion.
Keywords polymerase chain reaction, agar gel immunodiffusion test, retroviruses, enzootic bovine leucosis, bovine immunodeficiency, expansion, diagnostics
DOI:10.25750/1995-4301-2018-3-116-124
Views:4

Issue: 2
Year: 2018
Title Formation and assessment of the phytoregulatory potential of multispecies biofilms based on Fischerella muscicola
Section Chemistry of natural environments and objects
Сontributors L. I. Domracheva, I. G. Shirokikh, E. V. Tovstik, S. G. Skugoreva, E. N. Reznik
Abstract The results of experiments on the study of the features of the formation of biofilms on the basis of two- and threecomponent associations of microorganisms with the participation of Fischerella muscicola 300 cyanobacteria, Streptomyces wedmorensis streptomycete 38.11 and Fusarium avenaceum 7/2 micromycete are presented in the article. When microorganisms are introduced into sterile soil, over the three months of exposure to light, in variants with a monoculture of cyanobacteria and with a three-component association, growths (biofilms) with a population density of a phototrophic component exceeding 50 million cells/cm2 are formed. In biofilms formed by two-component associations, cyanobacteria experienced inhibition by partners, reducing the number of cells 2.4–7.0 times, and the length of filaments 3.6–7.0 times, depending on the nature of the associate. The growth of the fischerella was limited by the streptomycete culture to a greater degree than by the fungus. In ground biofilms formed on the basis of cyanobacteria Fis. muscicola, the phytopathogenic fungus F. avenaceum, in the saprotrophic phase of development, is able to unite into single structured complexes with other participants in the multi-species consortium of microorganisms, including their antagonists. Aggregation of cells in biofilms is associated not only with the isolation of polysaccharide mucus cyanobacteria, but also with the creation of a net-thread structure of growth due to threads of cyanobacteria and mycelium of heterotrophic partners, the total length of which can reach values exceeding 400 m/cm2. The development of such biofilms on the soil surface significantly increases its ability to retain moisture and prevent erosion. The two-component association of cyanobacteria and streptomycete can be considered as promising for biocontrol of fusarium infection. At the same time, under specific conditions of the rhizosphere, the nature of the interaction of the cultures of microorganisms under investigation may differ from that described for sterile soil lacking root exudates. Nevertheless, in experiments with the inoculation of Triticum aestivum L. seeds, it has been established that the two-component association of Fischerella muscicola + Streptomyces wedmorensis in perspective can be used as a biological agent to limit the development of fusarium infection in the higher plant rhizosphere.
Keywords cyanobacteria, streptomycetes, micromycetes, biofilm, density of populations, rhizosphere, microbial inoculation
DOI:10.25750/1995-4301-2018-2-117-124
Views:61

Issue: 2
Year: 2018
Title Degradation of Acid Orange 7 in a persulphate-bisulfite system under visible light
Section Nature management and natural resources consumption
Сontributors Heng Zhong, Jia Fang, Lei Sun, Hui Zhao, Aihua Xu, Dongsheng Xia, A. V. Nevsky
Abstract Textile industry is one of the most significant manufacturing sectors that produce large volumes of highly polluted and toxic wastewater. Dyes represent an important part of waste effluents. In this study, the degradation of Acid Orange 7 dye (AO7) in a persulfate-bisulfite (PS-BS) system under visible (Vis) light (wavelength more than 420 nm) was performed. All batch experiments were conducted in a 100 mL undivided glass beaker containing 50 mL solution at about 25 оC without irradiation or under irradiation by a direct exposure visible light power supply (CHF-XM-500W) from Beijing Trusttech Co. (China). After the desired amounts of AO7 and PS in 50 mL of the aqueous solution were added into the reactor, the reaction was initialized by adding BS. To monitor the degradation process of AO7, solution samples were taken out at given reaction time intervals and measured immediately on a METASH UV-5500PC spectrophotometer under the maximum absorption wavelength (484 nm) to record the temporal UV-vis spectral variations of the dye. The related reaction progress was monitored using the UV-vis absorption spectra of AO7 in terms of the percentage of degraded azo-dye. The activities of different systems including BS/Vis, PS/BS, PS/Vis and BS/PS/Vis were evaluated. It was found that the efficiency of PS/Vis system was negligible, and almost 29 and 40% of AO7 was oxidized by BS/Vis and BS/PS within 30 min, and it was further improved to almost 94% within 30 min by BS/PS/Vis system at room temperature. Various operational parameters, such as PS concentration, BS concentration and initial pH were investigated to optimize the process.
Keywords Dye’s degradation, Acid Orange 7, Bisulfite, Persulfate, Visible light, Inorganic negative ions

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DOI:10.25750/1995-4301-2018-2-113-116
Views:19

Issue: 2
Year: 2018
Title Some aspects of aluminum detoxifying in plants: phytotoxic and genotoxic effects
Section Ecotoxicology
Сontributors B. I. Synzynys, L. N. Ulyanenko
Abstract The separate and combined impacts of aluminum, manganese and silver ions on onion (Allium cepa L.) have been studied. The experiments have been performed in several series with different solutions of metal salts: AlCl3 • 6H2O,KMnO4, MnCl2 • 4H2O for the first and second series and Al(NO3)3 and AgNO3 – in third series. The ion concentrations of all studied metals amounted to 1 MPC according to the Russian health legislation and were 0.5 mg/L for Al,0.1 mg/L for Mn and 50 mg/L for Ag. The phytotoxic effect and genotoxic effect (such as mitotic index and the frequency of chromosome aberrations) were estimated. It was showed that aluminum ions promote negative processes in all our experiments. We found that manganese in combined presence in solution with aluminum reduced the phytotoxic and genotoxic effects aluminum on Allium cepa: the coefficients of antagonism calculated for frequency of aberrant cells and mitotic index are equal to 0.2. We have the same tendency for the silver ions. Taking into account our previously obtained data (the reducing of genotoxic effect of aluminum ions by iron ions) it is possible to conclude about similar mechanism for manganese (regardless of valency) and silver. Thus our results demonstrated this unique and at the same time universal mechanism of interaction between two metals (aluminum and other) and their detoxification effect in plant. We anticipate our assay to be a new starting point in investigation of detoxification mechanisms for heavy metals in plants: it is found that a combination of several metals reduces the negative action of each of them.
Keywords aluminum, manganese ions, silver ions, barley, separate and combined action, phytotoxicity and cytogenotoxicity of aluminum, antagonism indicies
DOI:10.25750/1995-4301-2018-2-107/2-112
Views:20

Issue: 2
Year: 2018
Title Comprehensive chemical-toxicological research of copper(II) sulfate solutions containing reduced glutathione
Section Ecotoxicology
Сontributors E. I. Lyalina, A. I. Fokina, T. Ya. Ashikhmina, A. S. Olkova, E. V. Beresneva, L. V. Darovskikh, A. S. Yarmolenko
Abstract The composition and toxicological properties of copper(II) sulfate solutions containing reduced glutathione (GSH)have been studied. It was found that complex compounds Cu2+ with GSH are formed in the solution in the Cu(II):GSH molar ratios 1:1, 1:2, 1:3, 1:4. Simultaneously with the formation of complexes in solutions, oxidation-reduction reactions occur, accompanied by the formation of active forms of oxygen and oxidized glutathione (GSSG). All the described processes lead to a decrease in the active concentration of Cu2+. The toxicological properties of solutions with a molar ratio of Cu(II):GSH 1:1, 1:2, 1:4 were determined. For this purpose, test objects of different systematic accessory were used: cyanobacterium Nostoc linckia 271, crustaceans Daphnia magna Straus, infusoria Raramecium caudatum Ehrenberg and bioassay “Ecolum” . The chemical composition of solutions was correlated with toxicity. Reduced glutathione has a protective effect on daphnia, which is most pronounced in the variant 1Cu(II):4GSH. However, the level of viability of cyanobacteria, in contrast to hydrobionts, decreases in the 1:1 → 1:2 → 1:4 range. The decrease is due to the bioaccumulation of copper, which increases with the increase in the fraction of reduced glutathione. Such an effect may be formed by complex compounds, which is consistent with the literature data. For D. magna, such a relationship is not observed, the resulting compounds and reduced glutathione do not affect the accumulation of metal.
Keywords reduced glutathione, copper(II) ions, bioassay, active forms of oxygen
DOI:10.25750/1995-4301-2018-2-101/2-107/1
Views:16

Issue: 2
Year: 2018
Title Assessment of soil contamination in the recreational areas of the city by the industrial compounds of heavy metals and arsenic
Section Ecotoxicology
Сontributors T. A. Trifonova, A. A. Podolets, O. G. Selivanov, A. A. Martsev, A. A. Podolets
Abstract The article presents the results of determination of total content of heavy metals (HM) and arsenic in urban soils of recreational areas in the city of Kolchugino of Vladimir Region. The most polluted recreational areas of the city that are close to the industrial area and in the Central area. According to a spatial correlation analysis, the elements Pb, As, Zn,Cu, Ni, Co and Cr contained in the soils of the city are in approximately equal ratio in all reference areas that may indicate the joint intake of these pollutants. With the aim of obtaining justified results of anthropogenic accumulation of HM and arsenic in the soil, an analysis of ratio of the content of pollutants in the upper layer to its content in the bottom was conducted using the radial differentiation coefficient (R). It is established that the pollutants are concentrated mainly in the upper layers of the soil, and their accumulation has an anthropogenic character. To identify priority of pollutants, the index of accumulation was used, which decreases in the series: Cu > Zn > Pb > Ni > As > Co = Cr > V > Sr. On the calculated level of soil pollution by separate pollutants, the the excess over maximum permissible concentration was revealed in the following series: Zn > Cu > As > Pb > Ni. The highest values of the hazard coefficient were noted in the area of the plant “Kolchugtsvetmet”. The correlation analysis between the pollutant concentrations revealed statistically significant positive dependences (p < 0.05) between Pb, As, Zn, Cu, Ni, Co and Cr. Based on this, it can be assumed that these elements enter the soil of the city from one source.
Keywords heavy metals, gray forest soil, recreational areas, the coefficient of radial differentiation, the rate of accumulation, the hazard ratio
DOI:10.25750/1995-4301-2018-2-094-101/1
Views:34

Issue: 2
Year: 2018
Title Technology for conversion of whey into organic-mineral fertilizers with amino acids
Section Ecologization of industry
Сontributors Yu. N. Terentyev, N. V. Syrchina, T. Ya. Ashikhmina, А. V. Sazanov, M. L. Sazanova, V. A. Kozvonin, D.V. Petukhov
Abstract Rational processing of whey is one of the most important problems of the dairy industry. Less than 50% of this waste is processed in Russia. Unprocessed whey is discharged into the sewage systems, which significantly increases the degree of contamination of the process waste water. Basically, processing of whey in commodity products is limited by economic factors. At the enterprises of small and average capacity high costs of introducing processing technologies do not pay off proceeds from realization of the received products. The authors of the research have used the method of cryogenic concentration (freezing) which provided the complete conservation of bioactive substances (proteins, vitamins,enzymes) in whey. Proteins of the received concentrate were subjected to enzymatic hydrolysis to free amino acids. The mineral salts complex (which contains plant-available forms of nitrogen, phosphorus, potassium, magnesium and trace elements) was dissolved in the hydrolysate. As a result, the researchers have got a marketable product – liquid organicmineral fertilizer with natural amino acids. Whey-fraction that remained after cryogenic concentration contained no more than 1.2% of dry substances. For its removal there was used glauconite-containing efel as sorbent (the waste of phosphorite ore enrichment, it is a quartz-glauconite sand containing up to 45% glauconite). The waste sorbent was dried up and used as the second commercial product – solid organic-mineral fertilizer (S-OMF). The S-OMF included only natural ingredients, which made this product suitable for use as a fertilizer in natural farming systems. The simplicity and high market value of the received marketable products make it economically viable to introduce the proposed technology into practice. The calculated payback period of the offered technology at the enterprises of a mean power is less than two years.
Keywords whey, organic-mineral fertilizers, fertilizers with amino acids, sorbents, glauconite, non-waste technologies

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DOI:10.25750/1995-4301-2018-2-087-093
Views:10

Issue: 2
Year: 2018
Title Modification of the sludge from soda production for producing oil sorbents
Section Ecologization of industry
Сontributors E. V. Kalinina, I. S. Glushankova, L. V. Rudakova
Abstract At present, the volume of accumulated sludge from soda production is more than 50 million tons and the issue of their utilization is topical. The paper presents the results of studies on the production of oil sorbents based on soda production sludge, the main component of which is calcium carbonate. Reagent modification of sludge from soda production allows obtaining materials that have sorption activity to oil and petroleum products. It is established that the oil capacity of samples of initial sludge of soda production is 0.95 for gasoline; on engine oil – 0,9; for oil – 0.75 g/g. Reagent treatment of soda production sludge by sodium methylsiliconate or potassium methylsiliconate increases the petroleum capacity on gasoline by 30%; on engine oil – by 80%; for oil – by 73%. Obtained sorbents can be used for liquidation of oil and oil product spills from solid surfaces. For the liquidation of oil and oil product spills from the surface of water bodies, soda production sludge of less than 0.1 mm fraction obtained by modification with sodium methyl siliconate or potassium methylsiliconate with a working dose of 1.5–1.8% by weight of active substance and heating to a temperature of 90 °C may be recommended. Based on the results of the research, two environmental objectives can be achieved: new oil sorbents are obtained and a method for the utilization of sludge from soda production is proposed. The cost of oil sorbents based on waste will be low, due to the zero cost of the raw materials – waste products of soda production.
Keywords оil products, sorption capacity for oil, calcium carbonate, sodium methylsiliconate, potassium methylsiliconate
DOI:10.25750/1995-4301-2018-2-079-086
Views:5

Issue: 2
Year: 2018
Title Thermotechnical properties of municipal solid waste depending upon component and fractional composition
Section Ecologization of industry
Сontributors S. V. Polygalov, G. V. Ilinykh, V. N. Korotaev
Abstract Thermotechnical properties of municipal solid waste (MSW), in particular their moisture, ash content and heating value, determine the effectiveness of methods of thermal utilization of waste, interest in which is currently growing in Russia. The MSW heterogeneity leads to difficulties in determining their thermotechnical properties and causes the urgency of carrying out complex researches of MSW fractional and component composition with the isolation of sufficiently homogeneous components, the selection and laboratory researches of samples of such components. The article presents an approved methodological approach to MSW analysis, which includes full-scale field investigation of MSW component and fractional composition and analysis of their moisture and ash content in a laboratory with the subsequent calculation of the thermotechnical properties of the MSW flow as a whole. A distinctive feature of this approach is the provision of representative samples of MSW and individual components, consideration of seasonal and weekly fluctuations in waste composition, as well as the allocation of a large number of MSW components and separate investigation of their moisture and ash content in fractions of different sizes. Moisture and ash content of individual components within the same category differ significantly from each other and depend on the component’s material, properties and size. Heating value an individual component category depends on the component composition within the category and vary with the same water and ash content of the individual components. The obtained results allow modeling of MSW composition, heating value and other properties after different treatment technologies, including mechanical, manual and optical sorting, and select technologies and equipment for achieving specified waste quality parameters.
Keywords component composition of waste, fractional composition of waste, moisture, ash content, heating value
DOI:10.25750/1995-4301-2018-2-070-078
Views:6

Issue: 2
Year: 2018
Title Assessment of the composition and the microstructure of aluminiumcontaining waste for the substantiation of the directions of its use
Section Ecologization of industry
Сontributors A. A. Martynova, G. M. Batrakova
Abstract Complex recycling of industrial wastes involves the extraction of valuable components and the use of waste as secondary material resources. Implementation of resource-saving technologies reduces the anthropogenic load on the environment. In the process of thermal destruction of calorific materials, waste with a high content of aluminum oxide is generated. In order to determine the directions of usage of alumina-containing waste the initial study of its composition and structure was made. The methods of scanning electron microscopy and quantitative physicochemical analysis were used. The following samples were studied: construction samples with waste additives (15 and 30%), and a series of samples purified with mineral acids and water. The mineral composition of the alumina waste corresponded to the requirements for raw materials for use as a reinforcing additive in cement mixtures, heat-resistant concretes and for the manufacture of binders. Compaction of the structure by spherical particles Al2O3 affects the strength characteristics of gypsum binder samples. A comparison is made between the physico-mechanical characteristics of samples with different waste content and control sample of gypsum. A study of the microstructure and element analysis of waste, purified by mineral acids, was made. The analysis showed an inhomogeneous composition of impurities. Treatment of waste with acids and water is effectively remove impurities, at the same time mass content of aluminum in the purified samples is increasing. The results of evaluation of waste structure and composition can be used for explanation of materials formation with new structure on aluminum-oxygen basis and ceramic materials formation that can be manufactured using this type of waste.
Keywords aluminum-containing wastes, aluminium oxide, sludge, energy-dispersive microanalysis

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DOI:10.25750/1995-4301-2018-2-062-069
Views:3

Issue: 2
Year: 2018
Title Production of organic matter and carbon stock in ground vegetation of spruce and birch phytocenoses in the Foothills of the Subpolar Urals
Section Monitoring of anthropogenically disturbed areas
Сontributors T. A. Pristova, S. V. Zagirova, A. V. Manov
Abstract The reserves of phytomass and carbon in the ground cover of spruce and birch phytocenoses in the foothills of the Subpolar Urals in Komi Republic are determined. The concentration and carbon stocks of these forests are currently poorly understood. Three types of forest were studied: bilberry green moss spruce forest, sphagnum spruce forest, polytric birch forest. These forests consist of spruce, birch and fir, stands of different ages and low productivity. It is established that the concentration of carbon in plant species varies from 39 to 50% of absolutely dry matter. High concentration of carbon in bilberry shrubs, low in horsetail, medium in herbs. Carbon content in plants of one species or group of species growing in different forests was similar. Ground vegetation plants accumulate 512–960 g/m2 organic matter, including carbon 250–409 g/m2. Carbon accumulation in ground vegetation plants of the sphagnum spruce forest was the highest. More than 50% of the phytomass carbon concentrated in aboveground part of plants. The aboveground parts of shrubs accumulated carbon 8–49 g/m2, herbs – 54–68 g/m2, mosses – 62–140 g/m2. Aboveground phytomass contents 44–62%,underground phytomass – 31–36% of the total carbon reserve in annual production, 86–95% of it returns to the litter. The leading role in the accumulation of carbon in the growth of ground cover belongs to grasses. Annual carbon stock in ground vegetation of spruce forests is 11–20 gC/m2, in birch forest – 9 gC/m2. Thus, a significant part of the carbon accumulated in annual production of plant cover is included in the destructive process of the carbon cycle.
Keywords Subpolar Urals, spruce and birch forest, ground vegetation, organic matter, carbon stock
DOI:10.25750/1995-4301-2018-2-053/2-061
Views:6

Issue: 2
Year: 2018
Title The response of lichens to the environmental pollution under the bauxite mining in the taiga zone
Section Monitoring of anthropogenically disturbed areas
Сontributors T. K. Golovko, M. А. Shelyakin, I. G. Zakhozhiy, G. N. Tabalenkova, T. N. Pystina
Abstract The activity of the mineral complex enterprises resulted in the pollution of the biosphere by the products of mining and processing of minerals. The open method of mining is the most vulnerable for the landscapes. Northern ecosystems have relatively low capacity of self-purification and self-healing, which increases their vulnerability to anthropogenic impact. The functional status of the three lichen species (Hypogimnia physodes, Lobaria pulmonaria and Peltigera aphthosa)from the areas with different degree of pollution in the zone of influence of the largest in Eurasia Middle Timan bauxite mine was studied. It is shown that the bauxite dust pollution led to the accumulation of metal compounds in the thalli,especially aluminum and iron. Their content in the lichen samples collected on the plot located near the concentrating mill, reached 16000–20000 μg/g of dry weight (DW). It is 40 times more compared to relatively clean (background)site. The significant part of the metal compounds was localized in the surface fraction. In the intracellular fraction it was detected from 3–10% (Mn, Fe, Al, Cr, Pb) to 40% (Cu) of their total amount. The content of organogenic elements (carbon, hydrogen and oxygen) was lower by 10–15% in the thalli from impact areas. These thalli showed a high level of lipid peroxidation and increased activity of antioxidant enzymes that indicate the development of oxidative stress. The lipid peroxidation, and superoxide dismutase, and peroxidase activities were increased by 1.5–2 times. Judging by these parameter values, the reaction of three-component cyano-lichens L. pulmonaria and P. aphthosa to pollution were expressed more strongly in comparison with chloro-lichen H. physodes. It was concluded that the application of physiological approaches increases the efficiency of lichenoindication and allows us to identify the first signs of defects long before significant reduction in vitality and taxonomic diversity of lichens will become apparent.
Keywords lichens, lichen-indications, bauxite dust, metals, compartmentalization of elements, oxidative stress, lipid peroxidation, superoxide dismutase, peroxidase

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DOI:10.25750/1995-4301-2018-2-044/2-053/1
Views:2

Issue: 2
Year: 2018
Title Characteristics of cryogenic calcite from cave Grandioznaya (V. A. Anufrieva), Southern Ural
Section Monitoring of anthropogenically disturbed areas
Сontributors O. I. Kadebskaya, Y. V. Dublyansky
Abstract Cave Grandioznaya, discovered in 1999 in Republic Bashkortostan is one of the largest natural caves in Ural Mountains.Speleological research of the cave is conducted by the Salavat club of speleologists (Republic of Bashkortostan).Unusual calcite formations were found in the cave in 2016, as on large blocks, and on a clay bottom in free space were discovered. Using the temperature data logger HOBO Water Temp Pro v2, it was found that stable positive temperatures are observed throughout the year in the grotto where calcite was found (fluctuations do not exceed 0.5 оC). On the basis morphological, chemical and stable isotope studies, as well as the 230Th/234U dating, this calcite was found to be of cryogenic origin. Crusts are aggregates (up to 6 cm in size) of differently oriented calcite crystals with clay primers. The color tone of the crusts depends on the amount of clay particles. Finding of such calcite, formed on the transition from Younger Dryas to the Preboreal stage of the Holocene epoch is indicative of the presence of degrading permafrost in this part of Ural at the time. During this, rather sharp, warming of the climate, an active thawing of the permafrost existed, which is a prerequisite for the formation of cryogenic calcite in caves. Methods of identification of cryogenic calcite, as well as other speleothems that remained after disappearance of underground ice, developed by the authors allows assessing the extent of ancient permafrost and its effect on karst ecosystems in the study region.
Keywords carbonates, caves, cryogenesis, isotope composition, geochronology, paleoclimate

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DOI:10.25750/1995-4301-2018-2-038-044/1
Views:4

Issue: 2
Year: 2018
Title Identification of the thickets of Heracleum sosnowskyi using Earth remote sensing data
Section Research methods. Models and projects
Сontributors E. V. Tovstik, T. A. Adamovich, V. V. Rutman, G. Ya. Kantor, T. Ya. Ashikhmina
Abstract Sosnowsky’s hogweed (Heracleum sosnowskyi Manden.) is one of the most dangerous invasive plant species,common in the European part of Russia and some European countries. Its spread threatens the biological diversity of natural ecosystems. The danger of H. sosnowskyi for the human health lies in its ability to cause skin burns. Large populations of H. sosnowskyi can be found in uncultivated fields, meadows, on the banks and in the vicinity of watercourses and reservoirs, on the outskirts of forests, and along roads. Currently in Russia, in connection with the massive spread of H. sosnowskyi, the question is raised about the need to create a special federal target program to control this dangerous species. The data of the Earth remote sensing can provide essential assistance in planning the measures to control the spread of H. sosnowskyi. Satellite imagery provide information about localization and areas of plant communities in large areas. To monitor the distribution of H. sosnowskyi, it is possible to use multispectral as well as monochrome satellite images of high and medium resolution. In our study we used images from the Sentinel-2 satellitewith a resolution of 10 m. The detection of the foci was carried out on the territory of certain districts of the Kirov region of Russian Federation. The populations of Sosnowsky’s hogweed are well recognized visually on synthesized color images using either three channels of the visible range (blue, green, red), or two visible (blue and green) and near infrared channel. Both variants give very close results, providing reliable identification of thickets of the hogweed.
Keywords Heracleum sosnowskyi, invasion, remote sensing data, Sentinel 2

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DOI:10.25750/1995-4301-2018-2-035-037
Views:13

Issue: 2
Year: 2018
Title A multi-factor model as the basis for the environmental quality management of urban аreas
Section Research methods. Models and projects
Сontributors E. V. Sokolskaya, B. I. Kochurov, Yu. A. Dolgov, V. A. Lobkovsky
Abstract The article considers mathematical approach to environmental quality management to improve the ecological comfort of living for the population. The problem of environmental management is described using a multi-factor model of quality of the environment with the weight coefficients of the importance of its components: atmospheric air, acoustic impact, soil, water resources, and green spaces, accessibility of natural and recreational areas. The values of weight coefficients of importance of influencing factors for environmentally comfortable living are determined by the method of expert assessment. A multi-factor model is used for detailed assessment of the ecological quality of the urban environment. The proposed quantitative approach also allows to compare the environmental comfort of the different residential districts or to study the dynamics of environmental comfort of specific urban area. Much attention is paid to scientific and methodological principles of management and the formation of the concept of «environmental quality». The strategy of environmental management with ecological foundation of various practical solution is shown. The plan of measures on organization of optimal management of quality of the environment to improve comfort of living for the population of the residential microdistrict of Tiraspol is presented. Graphical scheme of the results of integral analysis of various environmental indicators and assessments for improving the comfort of the environment is given. Realization of environmental quality management of the urban areas on the basis of a multi-factor model contributes to the gradual change of dangerous ecological conditions of environmental factors, to increase a comfort of the territory taking into account the real preferences and needs of the population.
Keywords environmental quality management, environmental factors, ecological comfort, generalized desirability function, expert assessment, complex indicator
DOI:10.25750/1995-4301-2018-2-026-034
Views:13

Issue: 2
Year: 2018
Title Analysis of Kramer’s coral-reef food web model
Section Research methods. Models and projects
Сontributors M. Solomonovich, I. Bica, L. Gao, А. Hailu
Abstract The model of a coral reef ecosystem, proposed by D.B. Kramer and published in Ecology and Society in 2008, explored the implications of changes in biological parameters and changes in economic and social interaction variables governing the fishing behaviour of anglers targeting the two fish species included in the model, herbivore and piscivore fish. This model is parametrized based on evidence provided in the literature. The recognition of multiple species in the model as well as the inclusion of adaptive harvesting behaviour may supposedly allow to explore policy or management options. This paper reviews, extends and sharpens the analysis undertaken in original article, and reveals both mathematical and interpretational mistakes in it. We use analytical and numerical methods to show that, contrary to the assertion in discussed article, some of the equilibrium outcomes are independent of the parameter values that were identified as important in this paper. At the same time the model is highly sensitive to the setting of some parameter values as well as to the structures representing interactions in the model. We suggest ways in which the model can be modified so that it would become interpretable.
Keywords coral reef ecosystems, dynamical system, ecosystem simulation, equilibria, fisheries management, socio-economic values
DOI:10.25750/1995-4301-2018-2-016-025
Views:3

Issue: 2
Year: 2018
Title Genetic engineering in solving “unsolvable” problems of soil remediation
Section Theoretical problems of ecology
Сontributors A. A. Gulevich, E. N. Baranova, I. G. Shirokikh, A. A. Shirokikh
Abstract Many centuries of cultivation of plants allowed human civilization to significantly increase the population of the planet. However, as a result of economic activity, many areas have turned into waterless deserts, salt heaths, dumps and waste pits that remain after mining. Classical technology has been developed for many decades, but this has not led to an effective solution of the problems that have arisen, and humanistic values do not allow for the reduction of the population. In this review, new approaches are considered that can significantly improve the efficiency of remediation. The solution involves combining biotechnologies: genetic engineering of plants, fungi and microorganisms; in the compartment with the application of nanotechnology recultivation and creation of artificial analogues of soil and new materials of geoplastics for the creation of an artificial landscape. The principal possibility of creation of plant complexes and microbes-rescuers on the basis of potentially resistant organisms capable of effective interaction is considered. The review deals with the genetic modification of plant and bacterial organisms that allow to accelerate in principle the formation of biogenic matter on disturbed and remediated soils, including man-made soils. This can restore the ecology of the abandoned lands destroyed by mankind over the centuries of its existence.
Keywords soil degradation, waste pollution, ecobiotechnology, phytoremediation, rhizosphere microorganisms, genetic engineering, landscape reconstruction

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DOI:10.25750/1995-4301-2018-2-005-015
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