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An interest to bacteriocins as natural alternative for antibiotics and chemical preservatives is grow at present. The selection of novel strains producing antimicrobial peptides is in focus. The probiotics are preferable because they are recognized as safe and thereby can be applied in medications, foods, feeds. Moreover, the benefits of probiotics for human and animal health is proved. The growth kinetics of industrial probiotic strains Lactobacillus plantarum B-11007, Lactobacillus salivarius B-2214 ? Lactobacil...

The exodus of young people from rural areas in Romania, corroborated with the decrease of the population at national level is a major problem of the country. The Common Agricultural Policy integrates this issue, finding several forms of support both in Pillar I, on direct payments, and in Pillar II, on rural development. This paper proposes the analysis of support for young farmers in the second pillar. Thus, the measures related to the support of young farmers through the National Rural Development Program will b...

By studying the dendrometrical indices and vitality of introduced woody plants grown in an arboretum, it is possible to conclude about the success of their adaptation in country's climatic conditions. Growth indicators of introduced woody plants growing in Latvian arboretums can be used to study the introduction and adaptation of woody plants, in accordance with the influence of climatic conditions. The aim of the work was to describe the taxonomic composition and quality of the trees of the Arboretum Lacupite. Th...

The article summarizes the total number of technogenic mineral formations in Kazakhstan, which occupies the 9th place in the world over the territory, which has huge mineral reserves. The presented material gives the properties of the waste, its particle size distribution, storage conditions, as well as the approximate volume of secondary raw materials. The integrated use of mineral resources is a very difficult task, including technical, economic and environmental issues, the solution of which requires the joint ...

Soil saprophytic nitrogen-fixing nodule bacteria (rhizobia) of the Sinorhizobium meliloti species are formed symbiosis with alfalfa and can also be a host of bacteriophages. Rhizobia have a symbiotic and saprophytic life phase?s cycle. Nodules formed by rhizobia on alfalfa roots are destroyed at the end of the growing season and bacteria surviving in nodule threads and did not transformed into bacteroids are released into the soil microbiome. The last is enriched in bacteriophages, which can significantly decrease...

Students offer a sight both towards society and to the core of creative academic scope. They represent a segment of the population and also an academic canvas. This dichotomy is reflected in the creative outcome guided in academic spectrum. On the one hand, these typologies show the social ?taste? for beauty and society?s view upon interior architecture and design. On the other hand, they show guided directions and academic accepted models. Interior architecture didactic projects of 4th-year architecture students ...

Currently, CRISPR/Cas systems are actively studied bacterial systems, due to the possibilitpossibility to apply them for targeted editing of eukaryotic genomes. CRISPR/Cas systems are belonged to adaptive immun immune system of bacteria and archaea acting against invading mobile genetic elements (MGEs: bacteriophages and integrative conjugative elements ). Curre Currently CRISPR/Cas systems were detected in genomes of 75% of known archaea and 36 % of bacteria strains . However, there are still quite less knowledge...

Nodule bacteria (rhizobia) forming nitrogen-fixing symbiosis with legumes have a multicomponent genome represented by chromosome and a number of plasmids of different sizes. Genes related to symbiotic activity of Sinorhizobium meliloti are located predominantly on two megaplasmids SMa and SMb (1.35 and 1.68 Mb, correspondingly). Genomes at about 80% of native rhizobia nodulating alfalfa contained cryptic plasmids with sizes varied from 7 up to 450 kb. Functional role of this class of plasmids remained unclear up t...

From the analysis of documents of strategic planning for the development of the region, it follows that the Arkhangelsk region assigns tourism one of the priority areas of development. At present, the region is one of 8 key zones of economic development of the Russian Arctic, where along with industrial and transport nature management, recreational, in particular tourism, is also considered a priority. The article considers the main factors in the development of ecotourism in the Arkhangelsk region. The analysis a...

The analysis of development systems used in mining in coal pits of the permafrost zone is carried out. The intensive development of deposits over the past decades has led to large-scale landscape disturbances, the reasons for which are a significant increase in the scale of open pit mining, surface disruption by mining, dumps, technological sites, hydraulic structures, as well as environmental pollution for a long period. Attempts to reduce landscape disturbances using land-saving technologies, systematizing trans...

Energy, which determines the progress of social production, continues to have an adverse impact on the environment. The result of any energy entity is to provide consumers with high-performance ecologically pure kind of energy that objectively defines influence of industrial activities of energy companies on the environment: emissions of pollutants into the atmospheric air, effluents of polluting substances in water objects, placing of production wastes, and also negative effects of noise, heat, vibration, electro...

Biohydrometallurgical technologies based on the oxidation of sulfide minerals by iron- and sulfur-oxidizing acidophilic microorganisms are widely used to extract non-ferrous and noble metals from sulfide ores and concentrates. Acidophilic microorganisms oxidizing sulfide minerals include autotrophs, heterotrophs, and mixotrophs. Therefore, studying of the effect of different carbon sources on biooxidation of sulfide minerals is relevant issue. The goal of the present work was to study the effect of different organ...

Relevance of results and scope. Energy, which determines the progress of social production, continues to have an adverse impact on the environment. The result of any energy entity is to provide consumers with high-performance ecologically pure kind of energy that objectively defines influence of industrial activities of energy companies on the environment: emissions of pollutants into the atmospheric air, effluents of polluting substances in water objects, placing of production wastes, and also negative effects of...

In the Ropazu district at Latvia, a set of dolomite excavation quarries is located. Because the quarries must by drained by pumping out groundwater, depression cones appear in the quarry areas and around them. The research targets were investigation of the interaction between the quarries, evaluation of adverse changes caused by them in the groundwater regimes of the nature reserve wetland area «Lielie Kangari» and in flows of hydrographical network. The research was carried out by applying the hydrogeological mod...

It is no longer a novelty that for the socio-economic development of the society in which we live, the main resource is represented by information. Of the data and information that society faces on a daily basis, most have spatial reference. Thus, the field of Geographic Information Systems has become an interactive way of viewing and accessing the components of the geographical environment. For the management of natural disasters, a multi-temporal spatial data is required. Satellite remote sensing is the ideal to...

The river is the consequential landscape ? forming element as it is rinsing and transporting the weakest rocks, scraping the bed and accumulating the sediment. During these processes in the river, diverse ecosystems are forming in various areas that provide habitats for a wide range of plant and animal species. In almost every river there is occurring a natural process as erosion. River erosion assessment should be considered in river management and included in management measures, as erosion can be determining fa...

The need to take into account the temperature regime as one of the main factors determining the stability of natural and artificial slopes in the permafrost zone is caused by the dependence of the strength properties of rocks on their temperature. In the frozen state, almost all rocks have a high bearing capacity, providing the ability to select effective open-cast mining parameters based on technological requirements. Mining operations violate the thermal regime of rocks in the instrument part of the quarries. As...

Since 2003, the Complex Expedition to study the historical waterways of Russia headed by S.I. Vavilov Institute for the History of Science and Technology of the Russian Academy of Sciences in collaboration with the staff of the Faculty of Geography of Lomonosov Moscow State University performed integrated geoecological exploration of the historical waterways of the Russian Plain. The following sites were explored: the Mariinskaya and Severo-Dvinskaya water systems, Ladoga and Onega canals, the lake-canal system of...

For the rational organization of natural territories of historical and cultural significance, it is necessary: to develop a long-term strategy for nature management, to implement functional zoning and integrated landscape and environmental monitoring. The monitoring should be based on a detailed large-scale landscape-ecological research of the territory, including the compilation of a cadastre of landscape and landscape-historical complexes, an assessment of their ecological state and the identification of the mai...

The purpose of this study is to address and consider ancient manor complexes as landscape objects, and to identify the linkages between their formation, location and environmental conditions. Ancient manors are unique monuments of the spiritual and material culture of Central Russia. The landscape has the imprint of the historical and cultural heritage of the past, which, in turn, largely determines its current state and appearance. We consider the manor as a landscape-historical estate complex, which was formed d...

In order to properly manage water resources in a river basin, it is necessary to identify trends in the evolution of rivers flow. Long-term trends analysis for river flow in north eastern part of Romania is based on two different methods: non-parametric rank-based Mann?Kendall (MK) test and innovative trend analysis (ITA). These two methods were applied for 7 hydrometric stations located in river basins unaffected by hydro-technical works, with hydrological observations on the average flow for the period 1950-2017...

The climate in Latvia is moderately warm and humid. To provide optimal groundwater heads (levels) for plant and tree growth, agricultural and forest melioration systems (AMS and FMS) have been set up in many places. Reconstruction of the FMS ?Zamelu-Tisu mezs? will be carried out. To assess the reconstruction impact, hydrogeological and hydrological conditions in and around the FMS territory were studied. To accomplish this task, specialists of Riga Technical University for the study area developed and used the lo...

Fields that are in the late stages of development have low potential and opportunities to solve the accumulated technical and environmental problems due to insufficient profitability of their operation, lack of sources of financing. This fully applies to the fields of the Orenburg region, among the main problems of which should be noted: the growth of the share of hard-to-recover hydrocarbon reserves in low-permeable reservoirs, the share of high-viscosity oil; the low level of utilization of associated petroleum ...

Currently, one of the priorities for sustainable development is human life getting better with functional foods. Non-dairy matrices are considered as promising alternative for production of foods and beverages with probiotic microbes. The development of these new products appears to be a hot area in which probiotic cereal beverages occupy a special place. The corn, buckwheat, oats, rye, wheat and barley flour was studied. Two-stage enzymatic hydrolysis of the water suspensions of the flour with amylases and protea...

Current problems of Russian subsurface users (volatility of the global energy market, ambiguity in the behavior of traditional consumers, an increase in the share of alternative energy sources in the global fuel and energy balance, low level of technological efficiency of fixed assets, insufficient processing depth, high losses of hydrocarbons, lack of technologies for recycling resources, methane emissions, etc.) reduce the environmental and economic efficiency of production, which, in turn, this leads to a deter...

The paper deals with the problem of avoiding karst and suffosion development upon projecting engineering structures in the areas of covered karst. It is shown that in case the depth of subsurface part of buildings with deep-seated foundations may be varied depending on the geological structure, the choice of foundation depth should be aimed at preventing possible karst and suffusion development. This approach is exemplified by the case of Bol?shoi Theater building reconstruction in the center of Moscow. A well-gro...

Anthropogenic activities disrupt hydrological regime (e.g. lake water level, river flow), and water quality changes due to pollution and affect ecosystems by disrupting the cycles of substances and water cycle. The composition of natural surface waters can be altered for a many reasons, for instance climatic, geographic as well as anthropogenic. Agriculture depends on a use of fertilizers, a use of pesticides, and a transport which turn agricultural land into a nonpoint source of surface water pollution. The agglo...

A current global concern is environmental protection. Many of the human activities affect the environment and implicitly have economic repercussions. Economic and social development must be achieved so that economic activities cause as little damage to the environment as possible. The financial amounts allocated depend on the economic situation of each country. Expenditures for environmental protection represent an indicator regarding the actions undertaken by economic agents and the public administration concerni...

Nitrous oxide N2O is one of the major contributors to global warming and ozone depletion in the stratosphere. Management of agricultural soils is the largest source of N2O emissions in agricultural sector, therefore simultaneous and accurate measurement of N2O concentration is necessary. Nitrous oxide emission is formed within nitrification and denitrification processes in agricultural soils. The agricultural sector is one of the largest sources of greenhouse gas emissions in Latvia as it accounted for 24.6 % of t...

Monumental trees are characterized by extraordinary dimensions, long life, fantastic visual effects, and a socio-cultural values in the context of local history, folklore and mystical believes of the people living around. Taxus baccata L., commonly known as yew, English yew or, European yew, is an evergreen tree or shrub and it is considered to be one of the most distinguished monumental trees identified in the world. In this study were determined and recorded the monumental common yew trees distributed in the cen...

As a result of increasing concentrations of total nitrogen and total phosphorus, surface water chemical pollution and eutrophication is a problem of raising concern worldwide. Chemical quality of surface water gives an impression about different geochemical, geological, hydrological and biological processes, as well as intensity of anthropogenic load in river catchment area. The total length of Svete River is 123 kilometres, of which 75 kilometres are in the territory of Latvia. Main part of river?s drainage basin...

The article considers various factors contributing to the development of tourism in the Arctic zone of the Russian Federation (AZRF). On the example of the Murmansk region, the indicators of tourist flow, as well as the impact of tourism on the economy and, accordingly, on the sustainable development of the region, are analyzed. Problems of sustainable development at the regional level were studied in the Kirov-Apatity district of the Murmansk region, where the scientific base of the geographical faculty of Moscow...