Пігментний склад Chlorella vulgaris за дії селеніту натрію та іонів металів

Author(s): O. I. Bodnar,H. B. Viniarska,O. V. Vasilenko,V. V. Grubinko / Language(s): Ukrainian Issue: 1/2016

We investigated the content of pigments in Chlorella vulgaris Beij. (Chlorophyta) under the influence of sodium selenite in concentrations based on Se4+ 0.5, 5.0, 10.0 and 20.0 mg/dm3 during one, three and seven days and under the influence of the simultaneous action of selenite in concentrations 10 mg Se4+/dm3 and ions of Zn2+, Mn2+, Co2+,Cu2+, Fe3+ in concentrations 5.00, 0.25, 0.05, 0.008 and 0.002 mg/dm3over seven days. This research was carried out to establish the conditions for obtaining algal lipidis substance enriched with selenium and biogenic metals in the aquaculture. The content of pigments was determined spectrophotometrically, the cellular walls were separatedby centrifuge in the percoll gradient and investigated microscopically. The pigments content in the Ch. vulgaris increased by 1.5–2.5 times in comparison with the control sample under the influence of 10 mg Se4+/dm3 with and without metal ions, in all variants of experimental influence due to binding of SeО32– with proteins and lipids. We found that selenium was included in all lipid fractions (triacylglycerols, dyacylglycerols, phospholipids, nonetherified fatty acids); the maximum amount of selenium-containing lipids wasrecorded in chloroplasts. The increase in the contents of carotenoids caused by the actions of experimental factors played an exceptional role in the mechanism of antioxidant protection that prevents destruction of chlorophyll and, accordingly, increases its amount in cells. Changes in the functioning of the photosynthetic apparatus of Ch. vulgaris affect the whole complex of metabolic transformation. Thus, the successful cultivation of chlorella, enriched with selenium and biogenic metals, is possible within seven days under the influence of 10 mg Se4+/dm3 and the above-mentioned concentration of metal ions.

Прогноз розвитку аграрного сектору і економіки Кіровоградської області в умовах зміни клімату

Author(s): Yuriy Kernasyuk / Language(s): Ukrainian Issue: 31/2017

The purpose of the article is to develop and substantiate a model for predicting the dynamics of the gross regional product of the Kirovograd region, which assumes an assessment of the state of development of agricultural production and the volume of development of capital investments in agriculture, forestry and fisheries. The peculiarity of forecasting at the regional level is the need to take into account the available innovative potential, exogenous, and endogenous factors of influence. For forecasting, it is advisable to identify an analytical dependence, to construct a regression space-time model. The factors of development of the agrarian sector of the economy that affect the dynamics of the gross regional product are determined. The forecast of the gross regional product has been carried out, taking into account the analysis of the impact of the volume of development of capital investments in agriculture and the variability of agricultural production in the face of climate change. By results of researches on the basis of application of a method of econometric modeling the methodical approach to construction of model of forecasting of a total regional product is developed. The essence of the proposed approach is based on a combination of multifactor forecasting methods and the production function tool.

Проект „Локални бедствия и качество на живот: Културни стратегии в преодоляване на природни, технологични и биологични катастрофи“

Author(s): Petya Bankova / Language(s): Bulgarian Issue: 3/2018

ПРОИЗВОДСТВО, СБЫТ И ПОТРЕБЛЕНИЕ В САНКТ ПЕТЕРБУРГЕ: ПЛОДОРОДНАЯ ПОЧВА ДЛЯ РАЗВИТИЯ КОРОТКИХ ЦЕПОЧЕК ПОСТАВОК ФЕРМЕРСКИХ ПРОДУКТОВ?

Author(s): Olga Gromasheva,G. Brunori / Language(s): Russian Issue: 2/2014

Currently in developed countries there is growth of initiatives which are aimed to reconnect farmers and consumers whose relationships in the last century became as distant and detached as they had never been before (due to industrial food production, centralization of the market, etc.). The state-of-art and recent trends in agricultural production, distribution and consumption in Russia, and St. Petersburg in particular, are analyzed in the article (mainly from the prospective of supply and demand for local products). The aim of the paper is to understand whether the current conditions are favorable towards development of such reconnection initiatives, which in the western literature are most frequently referred to as “short food supply chains” (or “alternative food networks”).

Промене броја становника, густине насељености и домаћинстава у насељима општине Рашка 1948–2002. године

Author(s): Ivana Penjišević,Aleksa Popadić / Language(s): Serbian Issue: 8/2011

The tendencies in the changes of number of population, changes of number of households and changes of population density in Raska municipality were effected by natural, historic and economic factors, as well as its geographical position. The continious population number decrease lead to population dencity decrease. Population number decrease is not followed by household number decrease, because patriarchal family is disappearing. Population is mainly concentrated in urban areas, so rural areas of Raška municipality are affected by depopulation. According to Cencus data since 1961 to 2002, population of Raška municipality is affected by negative demographic procesis. In this research different methods are used (cartographic, statistics, analytics and synthetics), and results could be used in various science researches, such are population geography, tourismology and spatial planning researches.

Промене у биолошким и економским структурама становништва општине Рашка

Author(s): Ivana Penjišević,Milena M. Nikolić,Aleksa Popadić / Language(s): Serbian Issue: 9/2012

The importance of studying population structures and their changes is reflected to the possibility of performing qualitative and quantitative analysis of the achieved population development of Raška municipality. Statistical analyzes were performed in two census years (1961 and 2002). This analyzes show that the negative demographic trends are expressed primarily through the constant decline in the rate of population growth and fertility on the one hand and the growth index and the coefficients of aging on the other hand. Such demographic situation in Raška municipality is particularly pronounced in the last decade of the 20th and the first decade of the 21st century. Therefore, it is necessary to stimulate positive demographic trends with appropriate population policy measures, in order to mitigate negative tendencies present in certain population structures of the municipality of Raška.

Промене у животној средини и еколошке миграције

Author(s): Aleksandra Ljuština / Language(s): Serbian Issue: 163/2017

Migration is one of the oldest and most used strategies for overcoming negative social issues. Despite the fact that it is historically deeply rooted, environmental migration as a social phenomenon has only recently become the subject research of numerous scientific fields. However, the study of current environmental migration is characterized by a number of issues, such as absence of an adequate definition and multi-causality of environmental migration. In this paper, through conceptual framework, author analyzed two main questions: who are environmental migrants and what reasons cause environmental migration. Due to the destruction of the global environmental balance, as well as accumulated environmental disturbances, it is likely that environmental migration will increase in future and there is nowhere you cannot make more use of scientific and professional projection of the future than in demographic and environmental spheres of human life. There is no doubt that our future is unpredictable. However, the environmental factors influencing the pattern of human interaction with the environment must be taken into account when projecting future development of the modern society. Such is the context in which the complex relation among migration, change and the environment has to be studied. In order to establish the basis for controlling environmental migration caused by negative changes in the environment, it is necessary to adopt a consistent strategy instead of ad hoc activities that are being used. In this paper, author analysed societal respoonse for the chalenges caused by environmental migration, specificaly regarding actions related to governing environmental migrations.

Промысел пернатой дичи русским населением Тарского Прииртышья в XVII—XIX вв.: письменные и археологические источники

Author(s): Larisa V. Tataurova,Aleksey E. Nekrasov / Language(s): Russian Issue: 6/2021

Bird hunting as a type of economic activity of the Russian population in the 17th—18th centuries is analyzed on the basis of archeozoological collections and complexes from the cultural layers of rural sites. The composition and ratio of different types of commercial birds, methods of passive and active hunting are determined. The results obtained are compared with written sources of the 19 th century and archaeological materials from other regions. As part of the inventory of archaeological sites, in addition to the bow and arrowheads, a set of clay balls of different sizes and weights was identified, which were used as projectiles for slingshot in hunting flocking birds.

Промысловые и непромысловые виды рыб рек липецкой области

Author(s): V. G. Tereshchenko,V. P. Ivanchev,C. S. Sarychev,E. J. Ivancheva,O. V. Sarycheva,L. I. Tereshchenko / Language(s): Russian Issue: 2/2011

The list and fish assemblage species structure of 13 rivers of the Lipetsk region were analyzed. Classification of the fish fauna from the viewpoint of fishery and nature protection was made for the working out of the concept of rational nature management. Important protected and threatened species was found in the Lipetsk area. It is established that not all species included in the regional Red Data Book correspond to their real nature protection status.

Просторовий розподіл популяцій турунів-міксофітофагів в умовах промислового міста (на прикладі м. Нікополь)

Author(s): V. V. Bolgarin / Language(s): Ukrainian Issue: 1/2010

The influence of abiotic factors on species of Amara, Ophonus, Harpalus in the urban environment has been studied. The features of the ground beetles distribution in the districts of Nikopol have been analysed. The influence of roadway on the vital functions of ground beetles has been cleared up. Quantitative data of Amara, Ophonus, Harpalus numbers in the town of Nikopol have been discussed. The advantage of natural factors over anthropogenic ones for the existence of soil mesofauna in industrial town has been established.

Пространственно-временная динамика твердости рекультивированных почв, сформированных в результате добычи полезных ископаемых открытым способом

Author(s): A. V. Zhukov,G. A. Zadorozhnaya / Language(s): Russian Issue: 2/2016

On the basis of studying the spatio-temporal dynamics of soil penetration resistance we proved the existence of the technozem ecomorphs as above horizon soil formations. Research was carried out at a research center for study of recultivation processes in Ordzhonikidze city. Measurement of soils penetration was made in field conditions using an Eijkelkamp penetrometer on a regular grid at depths of up to 50 cm with intervals of 5 cm. Calculation of average values and degrees of variation was performed by means of descriptive statistical tools. The extent of soil penetration spatial dependence was assessed and the existence of ecomorphs was proved by means of geostatistical analysis. The degree of associativity of spatial distribution of indicators of a soil body in different years of research was established by means of correlation analysis. The level of variation in space and in time of technozem penetration generated on loess-like loams, grey-green, red-brown clays, and also pedozems was revealed. The degree of spatial dependence of technozem penetration within soil layers and also the linear sizes of ecomorphs as above horizon soil structures was established. The time dynamics of penetration of various recultozems were described. As a result of research into the spatio-temporal dynamics of penetration of technozems, data confirming the hypothesis of the existence of ecomorphs as above horizon morphological soil formations were obtained. An ecomorphic approach to the study of the morphological structure of technozems is proposed. The comparative characteristics of ecomorphs from various types of technozem are presented. The results obtained solve the problem of combining the higher and lowest levels in the hierarchical system of soil organisation as a natural body, which should raise the efficiency of the analysis of relations of morphological elements as a basis for detailed reconstruction of recultivation processes, soil formation, and study of their regimes and functions.

Пространственное распределение алтайского османа oreoleuciscus potanini в вечернее время в оз. Баян нур, монголия

Author(s): L. I. Tereshchenko,B. Mendsaihan,Y. V. Slynko,D. P. Karabanov,V. G. Tereshchenko / Language(s): Russian Issue: 3/2009

Distribution of the altay osman in one of the lakes of Mongolia was studied in summer. Indications of the sonar GPSMAP 178 were fixed with digital camera. Analysis of fish horizontal distribution had shown that the maximal concentrations and minimal variability of fish density were registered in the areas with depths of 6–15 m. Analysis of vertical distribution of pelagic rarefied fish aggregations has revealed two fish concentration zones (2–4 m and from 10 m to deeper). Between those zones the fish scores were sparse. On the contrary, dense aggregations of fishes locate at the middle water strata in the core.

Пространственный анализ видового разнообразия геосистем в границах национального парка «Браславские озёра»

Author(s): Viktoria Andreeva / Language(s): Russian Issue: -/2019

In this paper, studied the species diversity. it is a weighted average number of species per unit area within the types of land (geosystems). At the same time, the share of participation of each species in the structure of the geosystem was taken into account. The object of research is geosystems as territorial units, identified within the boundaries of the national park „Braslaw Lakes“. The performed spatial accounting and analysis of species diversity allows judging about the environmental features of a natural area with a special management status, and the possibility of comparing geosystems identified by a single criterion, but different in size, configuration and location, allows making forecasts for development prospects.

ПРОСТРАНСТВО МЕЧТЫ: ЖИЗНЬ ЗА ЗАБОРОМ

Author(s): Olga Shaburova / Language(s): Russian Issue: 3/2014

Мечты о лучшем всегда оформлялись в раз- личных пространственных проектах и утопиях — от Города солнца до Голубых городов в советском дискурсе. Разные формы «пространства мечты» знает наша отечественная история, при этом од- ной из главных разметок социального простран- ства оставалось деление на город и деревню. В со- временном урбанизированном мире это важное социальное различие трансформируется и порож- дает новые типы оформления и взаимодействия пространств. Какие пространства в большей сте- пени воплощают современную мечту о счастье на земле — фантастический умный город или старая идиллия сельского рая?

Протекторний ефект хлориду натрію при адаптації рослин вівса посівного до надлишку cульфату купруму

Author(s): M. М. Vakerich,V. I. Nikolaychuk,H. M. Denchilja-Sakal,Y. Hasynets,O. Tkach / Language(s): Ukrainian Issue: 2/2011

Mechanism of increasing tolerance to copper sulfate by way of preliminary adaptation to excessive saltiness was investigated. It is detected that short-term (twenty-four hours) influence of NaCl (400 mM) on the oat plants reduces the further toxic effects of CuSO4 (25 and 50 µM).

Проучване на ученическите нагласи за агресията и нейните прояви в училище

Author(s): Gergana Maneva / Language(s): Bulgarian Issue: 6/2020

The current work presents a study of some attitudes of high school students about the aggression and their knowledge of the subject. The article discusses some of the main features of the aggression and its manifestations at school. The concept of preventing and building tolerance in the educational environment is concerned. A questionnaire survey of 90 high school students was proposed to outline their attitudes about school aggression and the causes of its manifestations. On the base of the critical analysis of the research results, there are formulated conclusions and recommendations for a possible model of practical pedagogical intervention. This model involves working with pupils in order to develop and deepen social skills and competencies related to dealing with aggression and overcoming challenging behavior at school.

Психолого-педагогически предпоставки за формиране на отношение към природата, като към ценност на културата (предучилищна разновъзрастова група)

Author(s): Nadzife Changalova / Language(s): Bulgarian Issue: 9/2016

The present article conveys the psychological and pedagogical prerequisites for familiarization of children at pre-school age with the natural environment to the effect of forming an appreciative attitude to nature as a cultural value. The basic structural components of the concept of attitude are outlined. Pedagogical arguments have been advanced which prove the necessity for developing a theoretical and methodical model for the formation of an appreciative attitude to nature as a cultural value.

ПУТИ УЛУЧШЕНИЯ КАРЕЛЬСКОГО СОРТА-ПОПУЛЯЦИИ PHLEUM PRATENSE L. ОЛОНЕЦКАЯ МЕСТНАЯ

Author(s): Ivan V. Evstratov,Lyubov P. Evstratova,Elena V. Nicolaeva / Language(s): Russian Issue: 4 (165)/2017

The article presents the results of the individual selection of 1006 P. pratense plants from the homotypical plant stand of Olonetskaya local, Karelian sort according to the number of leaves, the length of the stem and inflorescence. The received reproductive samples (1720 items) were studied with consideration of the form, leafage, width of lamina, length, number of stems, phytomass, and anthurus length. The structure of interrelation among the above-mentioned variables was evaluated with the help of the factor analysis. The unidirectional change of the herbage crop factors (taken by the years), the number of stems per one plant, foliage and formation of more narrow blades for the plants with sprawling forms were established. The use of the combination of the cluster and recursive discriminatory analysis revealed the presence of 6 groups of reproductive samples, including the second group with maximum factors for the stem length, taken by the years herbage crop, and the number of stems per one plant with the upright form of the plant and increased foliage values for the anthurus length. One can make a conclusion that this method is promising for the subsequent selection of more productive forms. The selected reproductive samples (20,4 %) are of interest for further evaluation of seminal productivity.

Радіоактивні відходи: проблеми правового регулювання

Author(s): M. Kintykova / Language(s): English,Russian,Ukrainian Issue: 10/2016

The problems of legal regulation of radioactive waste management in Ukraine. It is proposed to make some changes in the classification criteria for a specific activity and supplement it with a new category - very low level waste.

Радманићи – расељено сеоско насеље код Бања Луке

Author(s): Dragica R. Gatarić,Srboljub, Đ. Stamenković / Language(s): Serbian Issue: 3/2006

Radmanići village, which was located 25 km southwest of Banja Luka, next to the main road Banja Luka–Čañavica–Mrkonjić Grad, belongs to the group of settlements that have been expatriated (depopulated) according to the plan. It was expatriated (depopulated) from 1971 to 1976, when population mostly emigrated to Vojvodina, to the settlements in Srem. At the place where village was situated, building and areas (now covering 65 km2, including parts of the territories of neighbouring, also depopulated settlements – Šljivno and some areas in Dobrnja and Vilus) of special assignments have been built during time. This article embraces main characteristics of the settlement and the population before the expatriation (depopulation).