Control of odor pollution of atmospheric air (review)
N.V. Syrchina, L.V. Pilip, T.Ya. Ashikhmina
Section: Theoretical problems of ecology
Monitoring odor pollution (OP) of air is a complex analytical problem. Standard gas analysis equipment can be used to detect and measure the concentration of individual odor-forming substances (OFS) in the air. However, the presence or absence of odor on the basis of instrument readings is practically impossible to prove. The reasons are the subjective perception of odors, the complex multicomponent composition of the OP, the effects of synergism, masking, neutralization, which are manifested in the combined effect of various OFS on the human olfactory system. Today olfactometric method is used to measure the concentration of odors (group of experts are used as sensors). Measured by the olfactometric method the concentration of odor is expressed in odor of units per cubic meter (OU / m3). The most objective information about the OP can be obtained on the basis of a combined approach, including olfactometric and physicochemical research methods. The results of olfactometric research can be used to construct mathematical models of the dispersion of odors and to establish standards for OP. In addition to instrumental methods for monitoring the OP are used methods that do not require special equipment. There are methods of public opinion, analysis of complaints people about OP and method Citizen Science. Citizen Science is scientific work (collection of information, analysis of array of information, joint decision-making and so on). Citizen Science is carried out by citizens (volunteers) together with scientists or under the guidance of scientists. The experience of various countries shows that regulations aimed at control and minimization of OP can be established at the regional level. This approach will allow to maximally take into account the socio-economic characteristics of specific territories and optimize the costs of the budget and enterprises – sources of OFS for the implementation of measures to protect the environment and the people from OP.
Trees are very important components of an ecosystem which act as key elements of biodiversity which also provides
countless benefits and protection from adverse events such as climate change. This study focused on the assessment of
diversity and carbon storage potentials of tree species in Barangay North Poblacion and Barangay South Poblacion in
Dipaculao, Auorora. The study covered a 100% inventory of the trees with diameter at breast height of at least 5 cm. The
area was found to have a high overall diversity (H’ = 3.278; 1-D = 0.963) with 68 morpho-species of trees, 1290 individuals
and 23 families. The most abundant species were Swietenia macrophylla King, Mangifera indica L., and Gmelina arborea
Roxb. Ex Sm. collectively with 465 individuals. Ecological status assessment revealed 32 indigenous, four threatened (IUCN
[18]), six threatened (DAO 2017-11 [19]), and three invasive species. Notable among the species were the three Philippine
endemics – Artocarpus blancoi (Elmer) Merr., Ficus pseudopalma Blanco, and Drypetes falcata (Merr.) Pax & K. Hoffm.
The overall tree biomass estimates were 2367.60 tons using Brown formula while 2328.90 tons using the equation of Chave.
For carbon storage potential, the overall estimated values of two barangays were 1183.8 tons (16.28 t/ha) using Brown and
1164.45 tons (16.01 t/ha) using Chave. Samanea saman (Jacq.) Merr. had the highest carbon storage potential of 407.4
tons using Brown and 342.2 tons using Chave. The results of the study can serve as a guide to the local government in
the planning the conservation and protection measures for the tree species in the area.
Keywords: developed areas, Philippine trees, tree carbon stock, tree diversity, urban trees
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-198-208
Views: 31
Microsatellite analysis of populations of the ussuri sika deer acclimatized in the European part of Russia
In the Russian Federation, the indigenous population of sika deer (C. nippon hortulorum, Swinhoe, 1864) lives only in a small area of the Primorsky Kray. Since the beginning of the twentieth century, along with measures for the conservation of sika deer, they began to acclimatize it, with settling over a large territory and creating new habitats. Currently, up to 40% of the total population of sika deer in the Russian Federation is concentrated in the European part. Despite the long period of existence in the new ecological conditions, molecular genetic methods were not used in the study of sika deer. The presented work presents for the first time the results of microsatellite analysis of two populations of sika deer from Tver (Tver population) and Kaluga (Tarusa population) regions. F-statistics calculated for 12 STR-loci (BMS1788, Rt1, C143, OheQ, FCB193, C217, Rt24, C32, BMS745, NVHRT16, T40, C276) indicate a lack of heterozygous genotypes and indicate a weak divergence of populations. In the interpopulation comparison, the Tver population was distinguished by a greater allelic diversity and a significant number of private alleles. Genetic variability in observed and expected heterozygosity for the Тver population was HO 0,47 and HE 0,51 and for the Tarusa population – HO 0,52 and HE 0,49, respectively. At the same time, both studied populations of sika deer were characterized by a decrease in allelic diversity and heterozygosity relative to the “maternal” aboriginal Far Eastern population. Accordingly, at the present stage of hunting resource management, a reasonable artificial expansion of the range of rare and economically especially valuable animal species due to their dispersal and acclimatization is impossible without a genetic analysis of populations using highly polymorphic molecular markers and the use of standard estimated indicators of dynamic processes in populations. According to the results of the study, it can be concluded that the genetic diversity of the studied acclimatized populations of sika deer in the Tver and Kaluga regions does not differ significantly, and the observed difference in private alleles suggests an independent development of the gene pools of the populations under consideration.
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-130-137
Views: 14
Utilization of wastewaters as a nutrient medium for the accumulation of microalgal biomass
A.V. Gogonin, T.N. Shchemelinina, E.M. Anchugova
Section: Population ecology
Cultivating microalgae using wastewater nutrients is a potential approach to realize resource recovery that can contribute to circular economy. However, wastewaters discharged from pulp and paper mills contain high concentrations of recalcitrant compounds such as metal ions, phenols, nitrogen compounds, sulfur, phosphorus, that exceed quality standard values, that is why microalgae-based approaches are a solution to cope with wastewater treatment and simultaneous biomass accumulation. To address those problems, we investigated microalgal cultivation fed with nutrients from wastewaters, synthetic, and semi-synthetic media. This study employed the species of Chlorella genus adapted for technologies of algal ponds and stepwise bioprocessing approaches. Biotechnological properties of Chlorella vulgaris f. globosa strain were evaluated in a series of laboratory experiments testing a range of regimes and conditions. Results showed that C. vulgaris f. globosa grew well on both semi-synthetic Liuk’s medium and synthetic conventional media because of its similar nutrient profile to a common algal growth medium, but wastewaters were found to be the most appropriate for scaling up of beneficial acclimatized biomass production. Microalgae inoculation affects the content of major pollutants while treating real wastewater of Mondi Syktyvkar JSC. Nutrients, metal ions, and other recalcitrant pollutants were effectively removed by this strain with removal efficiencies of 74–79% NH4+-N, 42–44% NO3--N, 25–50% total phosphorus, 6.4% total sulfur, and 62–70% of phenols, respectively. After microalgal cells having been deposited and harvested, chemical parameters of the wastewater processed were in compliance with quality standards for fishery waterbodies. It might be useful, in a framework of further studies, to assess toxicity of the biomass harvested and its applicability for agriculture.
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-109-115
Views: 28
To the question of methodological support for determination of rare earth elements for industrial inspection
T.S. Ulanova, M.V. Volkova, G.A. Veikhman, A.V. Nedoshitova
Section: Ecologization of industry
The purpose of the study is the development of methodological support for the determination of rare earth elements (REE) in workplace air and biological media (blood) of workers. New methodical guidelines for the determination of REE in the workplace air and whole blood in a wide range of concentrations by the method of inductively coupled plasma mass spectrometry are presented. It is proposed to use these methods for production control at the
enterprises of mining and metallurgical industries. Also it is recommended to use the test for the determination of
REE in biological media (blood) of workers to assess the sufficiency of measures for organizing safety and reducing
harmful production factors, along with monitoring the air quality of the working area. The methods are included in
the Federal Register of Measurements: FR.1.31.2018.31642 for the cerium group; FR.1.31.2018.31641 for the yttrium group in the air of the working area, patent No. 2697479; FR.1.31.2019.32618 for the determination of REE
in blood, patent No. 2696011.
The developed methods meet the modern requirements of standardization and metrological certification, they have
high sensitivity and selectivity. The methods have been successfully approbate at a metallurgical enterprise for determining the concentrations of REE in the blood of workers and in the workplace air.
Keywords: rare earth elements, toxicity, workplace air, blood, mass spectrometry with inductively coupled plasma
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-101-108
Views: 17
The effect of dried blueberries and food products enriched with them on metabolic parameters of carbon tetrachloride intoxication
The aim of our study is to estimate the efficiency of using functional food supplements enriched with blueberry (Vaccinium uliginosum L.) powder to reduce carbon tetrachloride intoxication manifestations. The influence of the inclusion of
dried blueberries on the indicators of protein metabolism, as well as food products based on bread and cottage cheese with
the dried blueberries in their recipe, was investigated. Those parameters were evaluated by the content of total protein,
medium molecular peptides, De Rittis coefficient and oxidative balance (assessed by the content of TBA-active products,
ascorbic acid and total antioxidant activity index) in the blood plasma in rats intoxicated with carbon tetrachloride. The
biological effect of including blueberry powder was achieved by replacing an equivalent part of the standard vivarium
diet with dried blueberries, white bread and cottage cheese enriched with blueberry powder for 14 days. All animals were
divided into twelve groups, six of which remained intact and six were simulated total body intoxication by subcutaneous
injection of 66% tetrachloromethane solution. The control group consisted of animals kept on a standard vivarium diet.
It has been established that the addition of blueberries to the diet both in a free form and as a part of the functional foods
has a significant positive effect on the metabolism. It is confirmed by studying the protein exchange state (increasing
values of total protein and decreasing of average molecular peptides) and the oxidant balance (decreasing the concentration of TBA-active products, increasing of ascorbic acid and total antioxidant activity). Inclusion of blueberries in the diet
during the introduction of carbon tetrachloride significantly reduces the severity of intoxication, which was expressed in
higher values of De Rittis coefficient and lower concentration of medium molecular peptides and TBA-active products.
Using enriched cottage cheese is the most effective way to reduce the manifestations of intoxication. It is confirmed by
changes of indicators’ level in comparison with the vivarium ration group: the De Rittis coefficient is increased by 39.6%
(p < 0.001), total protein – by 39.8% (p < 0.001), ascorbic acid – by 3.12 times, total antioxidant activity – by 29.6%
(p < 0.001). The indicators of average molecular peptides are decreased by 19.1% (p < 0.001), TBA-active products – by
35.2% (p < 0.001).
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-070-076
Views: 20
Distribution features of Xanthogaleruca luteola (Coleoptera: Chrysomelidae) in the protective plantings of the Lower Volga
O.S. Filimonova, M.N. Belitskaya, I.R. Gribust
Section: Population ecology
Presented data on the features of ecology of economically dangerous pest - Xantogaleruca luteola (Coleoptera: Chrysomelidae). The development of leaf beetle occurs exclusively on woody plants of the Ulmus L. ancestral complex, which account for about 80% of the total composition of dendroflora in the Lower Volga. In the conditions of the study region, phyllophage is recorded on U. glabra, U. pumila, U. laevis. The greatest degree of foliage damage is noted for hornbeam elm, in the crown of which the defoliation level reaches 93%. This species prefers to populate the lower tier of the crown of trees, where when illumination is no more than 1500 lux, the maximum density of leaf food is recorded (more than 40 individuals per 100 leaves). The quantitative abundance of the pest is subject to significant fluctuations under the influence of weather conditions. During the drought period, there is a sharp hanging of the population density due to the weakening of trees. The regulatory factor limiting the growth of leaf beetle is the aggravation of intraspecific relations with an increase in population density, which entails a decrease in the potential for reproduction. So, the number of eggs in the clutches of females after leaving the diapause fluctuates at the level of 21-23 pcs/100 leaves. When the pest is restored, the number of eggs in the clutches of the II generation decreases by 22.1%. It was revealed that the number of clutches and eggs in the clutch varies significantly from a species of woody plant. The Imago mainly lays eggs in the crown of U. glabra, while the number of eggs in the clutch is minimal. The established differences are obviously related to the preference of hornbeam elm as a fodder plant, which entails an increase in population density and the number of masonry on the leaves in the crown of this type of elm. The decrease in the number of eggs in the clutch is due to the development of stress in females with a high frequency of contacts between individuals. Thus, the presence of mechanisms for regulating the abundance of ilm leaf beetle indicates the successful adaptation of the pest to the conditions of the Lower Volga.
Keywords: phyllophages, Xanthogaleruca luteola, Ulmus, Lower Volga
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-124-129
Views: 8
Maximum entropy modelling for predicting the potential distribution of methanogens in Sundarban mangrove ecosystem, India
N. Das, A. Mondal, S. Mandal
Section: Methodology and research methods. Models and forecasts
The production of methane (CH 4 ) by methanogens (Mgen) in mangrove sediments is known to contribute significantly to global warming. In such an estuarine environment, the abundance and population assemblage of Mgen are not well understood. Recently, there has been an increase of interest to understand about the properties of habitat distribution and the main environmental factors that influence mangrove suitability. Here, we used a maximum entropy (Maxent) species distribution model and a geographic information system (GIS) to determine the current habitat suitability distribution of Mgen in the Sundarban mangrove ecosystem in India. The Worldclim elevation (elev), precipitation (precp), solar radiation (srad), average temperature (tavg), maximum temperature (tmax), minimum temperature (tmin), water vapor pressure (vap) and the wind speed (wind) data and 36 spatially well-dispersed species occurrence points were used to predict the potential distribution of Mgen in the 14,317 km2 study area. The results indicated that Mgen has a high potential distribution at the deforested areas adjacent to the riverine system in the Indian Sundarban mangrove ecosystem. Jackknife test was used to evaluate the importance of the environmental variables for predictive modeling. The prcp is the most important environmental variable which influences the distribution of Mgen in mangrove sediments. With an AUC (area under curve “Sensitivity vs. Specificity”) of 0.826, the Maxent model was extremely accurate. The study shows that Maxent could be a useful tool for species rehabilitation and biodiversity conservation planning in the face of climate change.
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-042-047
Views: 25
Bacterial consortium as a model for studying the response of the microbial community of the Verkhnekamsk salt mining region to combined pollution
L.N. Anan, I.А. Kosheleva, E.G. Plotnikova
Section: Population ecology
The unique ecosystem of industrial development area of the Verkhnekamsk salt deposit (VSD) (Perm krai, Russia) is characterized by the combined effect of salinization and contamination by organic pollutants, including polycyclic aromatic hydrocarbons (PAH). The purpose of the present study was to examine the degradative potential in relation to naphthalene, as a model PAH, under different salinity of bacterial consortium SMB3, previously isolated from soil of the VSD region, as well as the effect of long-term exposure to high salinity on the taxonomic composition of the consortium. The consortium SMB3 was able to grow on naphthalene both in the presence of NaCl up to 90 g/L, and in its absence. With an increase in the concentration of NaCl to 90 g/L, the growth rate of the consortium decreased by 2.1 times (compared with that of the consortium in a salt-free medium), and the naphthalene utilization estimated after 72 hours of cultivation decreased by 22.9 times. As a result of long-term cultivation in a mineral medium with naphthalene in the presence of 70 g/L NaCl, moderately halophilic strains Halomonas sp. SMB31 and Salinicola sociusSMB35T, not using naphthalene as the sole source of carbon and energy, and naphthalene degraders Rhodococcus spp. SMB37 and SMB38 were shown to preserve in the consortium, while strains Glutamicibacter sp. SMB32, Microbacterium sp. SMB33, ‘‘Thalassospira permensis’’ SMB34T, not growing on naphthalene, were eliminated. Thus, using the model experiments with the bacterial consortium SMB3, it has been shown that the soil autochthonous microbocenosis in the VSD salt-mining area is able to degrade persistent toxic organic compounds in a wide range of salinity, and prolonged exposure to a high salt concentration leads to a decrease in species richness.
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-116-123
Views: 10
Actualization of the “green” image for territorial development
A.A. Sozinova, V.A. Bondarenko, М. Smokova, N.G. Rumyantsev
Section: Social ecology
The article explores the importance of forming a “green” image of the territory for the purpose of its successful
development in the context of the formation of a “green” model of the economy. The study characterizes the situation
of transition from the “brown” to the “green” economic model within the framework of generally accepted sustainable
development targets. In this regard, the views of scientists on the use of marketing solutions are disclosed: “green” branding, “green” marketing strategies, “green” image in terms of enhancing territorial development. The need for a trinity
of efforts for “green” development on the part of the authorities, business and the population has been clarified. Data on
the development of a number of areas of environmental goods and services in Russia and abroad are given.
In the Russian context, for the full manifestation of positive global trends in terms of the “green” development of the
economy and the “green” positioning of territories for an appropriate positive image, it is necessary to carry out comprehensive work, coupled with the efforts of the authorities to form an appropriate institutional environment, the necessary
infrastructure and actively implement “green” state procurement, as well as encouraging businesses that implement
“green” marketing strategies and involve the population in conscious responsible consumption.
The authors substantiate the need to form a “green” image of the territory, based on the involvement of the local
population in the goals of the ecological development of the region, the growth in demand for environmental goods and
services, the combination of the interests of government and business in this process based on the conjugation of the
tasks of attracting investments and other resources, as well as growth satisfied local communities.
The approach proposed by the authors can become the basis of marketing decisions in building a “green” image of
Russian territories, which in the long run will form the basis of consumer satisfaction, the competitiveness of territories
in terms of attracting various resources and conducting an environmentally oriented business.
Keywords: “green” image, “green” model of the economy, involvement of the population, “green” purchases, territory, development
Article published in number 2 for 2022 DOI: 10.25750/1995-4301-2022-2-228-233