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Publikacije (106)

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Zoran P. Popović, Predrag Ilić

Harmful effect of noise to the human health are various, begining from psihological to the irreversible damage of hearing. In order to prevent negative impact to the living and working environment, especially at the urban and industrial places where noise influence is the largest, at the specific location noise estimation must be performed before sources are build. Action of protection as well as reduction of the noise based on law and technical regulations, followed by detailed investigation are mostly applied in Banja Luka, the largest city of Republic of Srpska with huge dense of population and intensive traffic jam. Beside traffic noise, which has strongest effect to the human health, theoretical predictions are also performed for directional speakers, mostly temporary active in urban location during cultural manifestation. Theoretically obtained results from simulations are projected to the map of noise, where are further defined borders between places with enlarged noise in comparatione with referent levels, given by international standards but in agreement with national legislative. Review of data and their analysis in order to determine degree of the environment contamination in the Republic of Srpska with noise is the primary goal of this study. The measurement methods and theoretical assessment tools used for detection and prediction of these physical pollutants, which tend to grow permanently due to lifestyle, are also presented.

Waste is a by-product of human activities and living. With the increase in the number of inhabitants, the standard of living and urbanization, the quantities of municipal waste are increasing day by day. Every segment of waste management starting from generation, through collection, storage, transport, treatment and disposal can pose a potential hazard to human health and the environment. Waste management in Republic of Srpska is organized at the regional level. Since only waste disposal is still present in the Republic of Srpska, the regional approach implies that there is a landfill on the territory of one of the local self-government units, where all local self-government units in the region dispose of waste. In addition, waste disposal in illegal and unregulated landfills is still evident. LGUs or utility companies often face a lack of money to organize waste collection, with the result that not all households are covered by waste collection. In recent years, a lot has been invested in infrastructure, such as the filling of containers and containers and the purchase of new or newer used waste collection vehicles. Future directions of improving the waste management system in Republic of Srpska must go in the direction of sustainable waste management, ie waste management in a way to reduce the negative impact on human health and the environment, as well as avoiding leaving this problem to future generations.

Predrag Ilić, Zoran Govedar, Vojislav Trkulјa

Environmental pollution is a big problem for all countries of the world, especially developing countries. Pollution is very present in our country and manifests itself through air, water and soil pollution, but also the increased presence of noise, ionizing and non-ionizing radiation in the environment. Environmental protection is an area of great interest for citizens and competent authorities, especially in the perspective of European integration, and represents a major challenge for the authorities of each country. The environment is one of the most important chapters in the negotiations for accession to the European Union (EU). This chapter deals with EU and Republic of Srpska regulations, with an analysis of the situation in various areas of the environment. It is the obligation of Bosnia and Herzegovina and Republic of Srpska to implement the aforementioned regulations into the national legislation. A major problem of environmental management is the implementation and application of regulations due to various factors such as: the state of industrial development, national policy, financial situation, lack of trained personnel and laboratories, etc.

Predrag Ilić, Zoran P. Popović, D. Nešković Markić, L. Stojanović Bjelić, Zia Ur Rahman Farooqi

The problem of air pollution has been a challenge for modern humanity in recent times. The environment, including the air, is burdened by a large amount of pollutants that are released into the environment. The atmosphere contains primary and secondary pollutants, emitted as basic or specific pollutants. Air pollution is present in industrial areas and larger cities, with the fact that there are no areas without any impact of air pollution. Air pollution is also present in the Republic of Srpska, as is the case in other areas. Areas of increased pollution in Republic of Srpska, with high concentrations of pollution, can further worsen the impact on the population and lead to unwanted health effects.

Zoran P. Popović, Predrag Ilić

The level of radio frequency radiation is followed by the growth of the new telecommunication technologies and the needs of the user. In order to prevent increasing of exposure over doses of electromagnetic radiation permitted for the general population, it requires to planing the construction of antenna systems and examine the living as well as working environment in their surroundings. City zones are potentially the most vulnerable on the exposure to high-frequency non-ionizing radiation, described below with examples of sensitive locations in Banja Luka such as the vicinity of schools, kindergartens and the hospital center. Review of data and their analysis in order to determine environment contamination level in the Republic of Srpska with non-ionizing electromagnetic radiation is the primary goal of this study. The measurement methods and theoretical assessment tools used for detection and prediction of these physical pollutants, which tend to grow permanently due to lifestyle, are also presented.

H. Huntrieser, Theresa Klausner-Harlaß, H. Aufmhoff, Robert Baumann, A. Fiehn, P. Hedelt, K. Gottschaldt, R. Lutz et al.

The Western Balkan region is known for emitting alarmingly high sulphur dioxide amounts from coal-fired power plants. Though a number of environmental regulations have been introduced in recent years (e.g. desulphurisation installations, construction of modern power plants), the pollution burden is still much higher than recommended by the authorities. A number of different montoring systems are required to observe the growing pollution situation in the Western Balkan region, partly caused by a high energy demand from outside (e.g. Western Europe).Several of the top ten SO2 polluters in Europe are located in Bosnia-Herzegovina and Serbia. Here we present the first in situ measurements of sulphur dioxide in this region conducted with a German research aircraft in cooperation with local scientists in Bosnia-Herzegovina and Serbia. Two of the strongtest emitting coalfired power plants were selected for the measurements in autumn 2020: Tuzla in Bosnia-Herzegovina and Nikola Tesla in Serbia (Nikola Tesla). The measurements were mainly conducted in the boundary layer (below ~1 km altitude in winter). Downwind of the power plants, extremely high SO2 mixing ratios exceeding 100 parts per billion (ppb = nmol mol-1 ) were measured at a distance of ~20-40 km from the sources. The SO2 plumes from the power plants were trapped in well-defined inversion layers between ~500-1000 m altitude. The airborne measurements can be used to validate synchronous spaceborne SO2 measurements from the TROPOspheric Monitoring Instrument (TROPOMI) onboard the Sentinel-5P satellite. A first intercomparison indicates some problems with dense smoke clouds frequently covering these countries in the winter months. However, it turned out that the Nikola Tesla flight is to some extent suited for a TROPOMI-SO2 validation, since it was obtained during cloud-free conditions with a well-defined vertical extension of the probed SO2 plume (needed to estimate the Vertical Column Density, VCD, measured by the satellite). In addition, these airborne measurements accompanied by model simulations can be used to determine the SO2 emission strength of the power plants and to compare it to the source strength reported by the power plant operators. The results indicate a reasonable agreement between the airborne measurements, model results, emission inventories, and satellite measurements for the Nikola Tesla power plants.

Vojislav Trkulja, Andrija Tomić, N. Pržulj, Predrag Ilić

The concept of sustainable use of pesticides implies a series of rules, procedures and skills in the use of pesticides that are prescribed by the relevant legislation in the European Union, and which countries that are in the process of joining it are obliged to follow and apply. These prescribed norms include the development of a national action plan to achieve the sustainable use of pesticides; application of the principle of integral protection of plants; establishing a continuous training system for professional users of pesticides, distributors and advisors; establishment of appropriate conditions for the sale and distribution of pesticides; handling and storage of pesticides and disposal of their packaging and residues; regular control of pesticide application devices; keeping records and databases; informing the public and raising the level of awareness about the sustainable use of pesticides; application of measures to reduce the risk of pesticide use; the application of special practices in the use of pesticides, including aerial spraying, special measures for the protection of aquatic environments and drinking water, the application of pesticides on public and green areas, the reduction of pesticide use in certain areas, and the protection of bees during the application of pesticides, as well as the application of risk indicators, reporting and exchange of information on the sustainable use of pesticides. The purpose of this legislation is to achieve the sustainable use of pesticides and reduce the risks and negative effects from the use of pesticides in a way that ensures a high degree of protection of human and animal health, along with the protection and preservation of the environment and biodiversity, as well as the introduction of mandatory application of the basic principles of integral protection of plants for control of harmful organisms, including alternative approaches and techniques, such as non-chemical plant protection measures with the aim of achieving sustainable and competitive agriculture.

Zia Ur Rahman Farooqi, Ayesha Abdul Qadir, Predrag Ilić, N. Zeeshan, V. Tunguz, N. Pržulj

A broad range of ecological issues may be traced back to agricultural soil management methods that have a significant influence on ecosystems health across the globe. Agriculture has a major influence on the environment via soil quality deterioration or degradation. There are several types i.e., salinity, erosion, water logging and soil pollution with organic and inorganic contaminants and contributing factors to soil degradation. The inclusion of sustainable development goals (SDGs) related to the soil use as zero hunger (SDG 2), decent work and economic growth (SDG 8), climate action (SDG 13), life on land (SDG 15) contributes and important in human wellbeing via producing food crops (SDG 2), increasing economic growth (SDG 8), sequestering atmospheric emissions for climate change mitigation (SDG 13), and betterment of life on earth (SDG 13). Factors include non-suitable agricultural practices, usage of wide fields without limits to impede water flow, and improper ploughing techniques. The key element to limit the soil degradation is reducing pressure on natural resources and their over-exploitation. In this chapter, authors have discussed the soil degradation, causes and their remedies in detail.

Water is a unique and irreplaceable natural resource of limited quantities and uneven spatial and temporal distribution. All life forms and all human activities are more or less related to water, clearly showing the importance of the relationship with water. It is a necessary resource in households as drinking water, washing and food preparation, in agriculture for irrigation, and in industry it plays an important role in almost all industrial processes. Economic development and urbanization lead, on the one hand, to a large increase in water demand, and on the other hand to the threat to water resources and the aquatic environment. Water can thus become a limiting factor in development, a threat to human health and the sustainability of natural ecosystems. Until recently, there was a centuriesold illusion of water inexhaustibility, and the concept of minimum investments for the purification of used water and water protection in general appeared. Much of the water used is not purified before it is discharged into watercourses and thus pollutes the water mass and reduces the resources of drinking water. Providing enough drinking water is one of the world's most important issues today. Therefore, it is especially important for every society to balance these relations and devise policies and strategies for the regulation, exploitation and protection of water resources.

Warda Khalid, Muhammad Yousuf Jat Baloch, Asma A. Ali, M. R. Ngata, A. Alrefaei, A. Rashid, Predrag Ilić, M. Almutairi et al.

Groundwater is an essential resource for drinking water, but its contamination with potentially toxic elements and arsenic (As) is a global issue. To evaluate As and its levels in the Coachella Valley, the US Geological Survey (USGS) collected 17 groundwater samples. This study looked into the arsenic distribution, enrichment, hydrogeochemical behavior, and health risks associated with the samples. The comparative analysis between groundwater contamination in Greater Palm Springs and similar regions, could provide valuable insights into regional differences and common challenges. The hydrogeochemical facies showed the dominance of calcium and magnesium-bicarbonate-carbonate, indicating permanent hardness and salt deposits of residual carbonate. The Gibbs plot demonstrated that chemical weathering of rock-forming minerals and evaporation are the primary forces impacting groundwater chemistry. Geochemical modeling revealed saturation for calcite and dolomite, and under-saturation for halite. Principal component analysis identified the potential contributory sources for contamination of groundwater. The carcinogenic and non-carcinogenic potentials of the toxic elements arsenic, cadmium, chromium (VI), and lead were calculated using a human health risk assessment model. For both adults and children, the highest non-carcinogenic mean value was observed for arsenic (8.52 × 10−1), with the lowest for cadmium (1.32 × 10−3). Children had the highest cumulative non-carcinogenic risk from potentially toxic elements. Our research offers crucial baseline data for assessing arsenic in groundwater at the regional level, which is important for health risk reduction and remediation programs. The data show that preventative action must be taken to reduce the potential health risks in the study area from drinking groundwater, particularly for children.

P. Ilić, Manja Vitasović, Borko Katanic, Rada Rakočević, Fidanka Vasileva

The world’s leading health institutions warn that adolescents do not meet the minimum level of physical activity necessary for the proper physical development of young people, which is considered one of the main problems of public health. In addition to personal preference, environmental and cultural factors play an important role in the involvement of young people in sports. This study aimed to examine potential differences in involvement in sports, anthropometric characteristics and motor abilities, in adolescents of different residential statuses. The sample included 83 adolescents, of whom 45 (54.2%, 13.51±0.55 yrs) were from urban areas and 38 (45%, 13.45±0.50 yrs) were from rural areas in the Belgrade region. Surveying detected their involvement in sports, and anthropometric characteristics were assessed through body height (BH) body mass (BM), body mass index (BMI), and motor abilities through explosive strength of lower and upper extremities and agility. A Mann-Whitney U test has shown that place of residency impacts involvement in sports and motor abilities, while there was no impact on anthropometric characteristics. Cohen’s criteria (r) detected the level of impact. Adolescents from urban areas are more involved at sports and have better motor abilities. There is no difference in anthropometric characteristics. Considering the relatively small sample of respondents and variables assessed, the obtained results can hardly be generalized. However, this does not diminish the importance of the present study which examined the urban-rural state of sports activity, anthropometric characteristics and motor abilities of adolescents in Serbia, thus making an important contribution to this field.

Violeta Mickovski Stefanović, Predrag Brković, S. Roljević Nikolić, H. Majstorović, D. Stanisavljević, P. Ilić

Heavy metals represent a very significant group of environmental pollutants because they are potential metabolic inhibitors. Therefore, a study was conducted where the height of the wheat stem, as well as the surface of the leaves in the budding and leafing stages, were examined when contaminated with a mixture of heavy metals in concentrations of 250 and 500 ppm. The aim of the research was to determine the influence of heavy metals on the initial phenophase of wheat varieties Pobeda and Ljiljana. An experiment was carried out in volumetric flasks where two different concentrations of a mixture of heavy metals 250 ppm and 500 ppm were added under controlled conditions.

D. Stanisavljević, Aleksa Crkvenjakov, Jelica Lazić Saković, N. Milosavljević, S. Bogdanović, Violeta Mickovski Stefanović, P. Ilić, J. Ćirić et al.

Water is an indispensable part of beer and brewing practice, and therefore it is not even possible to imagine a process in which water quality is neglected. For the purposes of this experiment, several different watersamples were collected from available springs. The basis of the experiment was the colored reaction of iodine on starch, which would prove the hydrolysis of starch granules from grains. This leads to the conclusion that the mineral composition, which affects the hardness of the water, does not have a decisive influence on the work of amylolytic enzymes, at least not to the extent that would significantly affect the production process.

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