This study examined the impact of climate, altitude and landforms on humic acids (HA) optical properties (E4/E6, ∆logK, RF indexes) in Serbian Rendzina soils. HA humification degree of calcareous and decarbonated Rendzinas under natural vegetation (forest and grassland, separately) decreased with altitude increasing. This particular rule was not ma...

By Svjetlana Radmanović, Nataša Nikolić, Aleksandar Đorđević

The research and determination of diatoms (Bacillariophyta) have been carried out in the area of Semberija (Bosnia and Herzegovina) in several locations, which included 35 open shadoof wells incurred by the anthropogenic activity many decades ago, and they represent artificial fresh water ecosystems. The algological material has been collected from...

By Milenko Ćurčić, Dragica Milinković, Olivera Petrović-Tomanić, Dijana Đurić

Levels of SO2 in air samples from urban zone of Banja Luka were determined at locality Center in Banja Luka (administrative center of the Republic of Srpska, in Bosnia and Herzegovina) which is highly populated area, with intensive traffic and industry. Through experimental measuring, daily and weekend variation of SO2 concentration was determined....

By Predrag Ilić, Dragana Nešković Markić, Ljiljana Stojanović Bjelić

Noise pollution may have negative impacts on human health and environmental. The primary aim of this study is was to determine and mapping the noise pollution in the urban part of the city Banja Luka in Bulevar Cara Dušana by evaluating noise levels in the boulevards. The aim of this investigation is also compare measured noise levels in the boulev...

By Predrag Ilić, Dragana Nešković Markić, Ljiljana Stojanović Bjelić

The Aladza Mosque in Foca was built in the middle of the seventeenth century and it was destroyed during the war in Bosnia and Herzegovina. Given that it is a monument protected by the state and included in the World Heritage by UNESCO, it is necessary to carry out its rehabilitation. It is essential to construct the religion building of the same m...

By Neđo Đurić, Dijana Đurić

The main goal of the research was to determine to which extent the copper (Cu) is dominant in the topsoils of Tuzla's area. Considering the defined goal, the detailed soil analyze for the presence of this element in the area of Tuzla, was carried out. The terrain work was based on soil sampling (240 samples) from the area of about 303 km2 . The sam...

By Željka Stjepić Srkalović

Mineral resources as natural resources constitute the backbone of the development of the national economy of each country, and their valorization should be classified into its strategic development plans. Polyvalent industrial branches of the economy today are unthinkable without adequate supply of raw materials, analysis of raw material base, thei...

By Damir Baraković

Research presented in this paper considers the problem of the Synagogue restoration in Subotica, built in 1902, which has been deprived of its basic function, left without financial means for maintenance due to the changes in the social, economic system and great changes in the population structure during the First and Second World War. Lack of fin...

By Viktorija Aladžić

Novi Sad and its surroundings are rich with the most diverse natural values that are good for the development of health tourism and recreation activities on their territory. Being in nature, next to water surfaces, forests and all green favorably affects on psycho – physical condition and improves life quality in urban environments. Aim of this wor...

By R. Milovan Pecelj, Milica Lukić, Milica Pecelj, Danijela Srnić, Dijana Đurić

The paper presents the impact of the construction site of a part of the Banja Luka – Doboj motorway, section 1: Banja Luka – Prnjavor, in the settlement of Miloševac, on the quality of water in the rivers Vrbas and Crkvena. Before the construction of a new bridge, the zero state was determined in the direct vicinity and at locations downstream from...

By Dušica Pešević, Nebojša Knežević