Affiner votre recherche
Résultats 21-30 de 42
Water and sediment quality in the Tisza River [Serbia] | Kvalitet vode i sedimenta reke Tise [Srbija]
2012
Pešić, V., Prirodno–matematički fakultet, Novi Sad (Serbia) | Dalmacija, B., Prirodno–matematički fakultet, Novi Sad (Serbia) | Krčmar, D., Prirodno–matematički fakultet, Novi Sad (Serbia) | Rajić, Lj., Prirodno-matematički fakultet, Novi Sad (Serbia) | Bečelić-Tomin, M., Prirodno–matematički fakultet, Novi Sad (Serbia)
This paper presents the results of chemical analyzes of water and sediment of the River Tisza, in the section from the Hungarian border to the mouth of the Danube. According to local legislation, water quality in the Tisza is acceptable, i.e. does not exceed the maximum allowable values for Class II watercourses for most parameters at almost all sampling locations. by using the Dutch methodology, it was concluded that the sediments of the Tisza at all profiles is categorized as polluted due to the high mercury and/or nickel contents, except for the profile downstream of Senta, which is partially contaminated. All the sediments are partially polluted in terms of copper content, and the sediment in the profile downstream of the dams is also partially polluted with zinc. The results of this analysis can be used to obtain a preliminary picture of the vulnerability of the Tisza River over its course in Serbia to the large number of industrial pollutants that are present in wastewaters discharged into the river or in the lateral canals that empty into the Tisza.
Afficher plus [+] Moins [-]Comparison of measurements of selected organic pollutants in synthetic and natural water matrices | Poređenje merenja odabranih organskih polutanata u uslovima sintetičkog i prirodnog vodenog matriksa
2012
Kerkez, Đ., Prirodno–matematički fakultet, Novi Sad (Serbia) | Leovac, A., Prirodno–matematički fakultet, Novi Sad (Serbia) | Molnar, J., Prirodno–matematički fakultet, Novi Sad (Serbia) | Kragulj, M., Prirodno–matematički fakultet, Novi Sad (Serbia) | Tubić, A., Prirodno–matematički fakultet, Novi Sad (Serbia) | Tričković, J., Prirodno–matematički fakultet, Novi Sad (Serbia) | Dalmacija, B., Prirodno–matematički fakultet, Novi Sad (Serbia) | Ivančev-Tumbas, I., Prirodno–matematički fakultet, Novi Sad (Serbia)
The paper presents a comparison of measurements of selected organic pollutants in various water matrices, in order to assess the impact of the matrix on the accuracy of pollutant analysis. Selected compounds were from class of phenols (p-nitrophenol, 3,5-dichlorophenol)and organochlorine pesticides (isomers of hexachlorocyclohexane (HCH), heptachlor, aldrine, heptahloroepoxide, 4,4'-DDE, dieldrine, endrine, 4,4'-DDD, endrin aldehyde, 4,4'-DDT, endosulfan sulfate). Apart from distilled water and synthetic aqueous matrix (salt addition in distilled water according to DIN EN 12902 standard), natural matrix was also used in the analysis – surface water (River Danube in Novi Sad – DOC (dissolved organic carbon) 2-6 mg/l, suspended matter content 30 mg/l).
Afficher plus [+] Moins [-]Saprobiologicali analyse [i.e. Saprobiological analysis] of the Peštan River [Serbia] based on aquatic macroinvertebrates | Saprobiološka analiza reke Peštan [Srbija] na osnovu zajednice makrobeskičmenjaka
2012
Kračun, M., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Marković, V., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Vasiljević, B., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Atanacković, A., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Tomović, J., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Tubić, B., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Zorić, K., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Paunović, M., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia)
In this paper aquatic macroinvertebrate community of the Peštan River was presented, including the characterisation of the species with regard to saprobic conditions and preference to the mineral substrate type. Sampling was carried out during 2011 at man stream and tributaries. A total of 52 taxa have been identified. According to the ecological classification of the taxa with regard to saprobic conditions for the main stream, the most species belong to the alpha-mesosaprobic group while majority of the species from the tributaries were characterised as beta-mesosaprobic species. The most of registered species preffered substrate type characteristic for lowland river. Results of saprobiological analysis indicate poorer status of the main stream in regard to tributaries.
Afficher plus [+] Moins [-]Genotoxicity assessment on River Gradac [Serbia] in fish (Salmo truta [i.e. trutta], Barbus meridionalis) using the comet assay | Procena genotoksičnosti reke Gradac na ribama (Salmo truta [i.e. trutta], Barbus meridionalis) komet testom
2012
Sunjog, K., Institut za multidisciplinarna istraživanja, Beograd (Serbia) | Kolarević, S., Biološki fakultet, Beograd (Serbia) | Gačić, Z., Institut za multidisciplinarna istraživanja, Beograd (Serbia) | Hegediš, A., Institut za multidisciplinarna istraživanja, Beograd (Serbia) | Pucar, M., Institut za multidisciplinarna istraživanja, Beograd (Serbia) | Skorić, S., Institut za multidisciplinarna istraživanja, Beograd (Serbia) | Kračun, M., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Knežević-Vukčević, J., Biološki fakultet, Beograd (Serbia) | Lenhardt, M., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Vuković-Gačić, B., Biološki fakultet, Beograd (Serbia)
The aim of this study was to assess the water quality of the Gradac, near the town of Valjevo, on an analysis of DNA damage in different tissues of trout (Salmo trutta L. 1758) and barbel (Barbus meridionalis R. 1827). For the detection of genotoxic potential of alkaline comet assay were used three types of tissue, blood liver and gills. Among the parameters available the Olive tail moment was chosen as the most reliable to estimate the damage to DNA molecules. In all tested tissues was detected damage in DNA molecule, where the gills showed the highest sensitivity.
Afficher plus [+] Moins [-]Preliminary results of the aquatic macroinvertebrates investigation within examined sector of the Sava River between Zagreb [Croatia] and Belgrade [Serbia] | Preliminarni rezultati istraživanja vodenih makrobeskičmenjaka reke Save na sektoru između Zagreba [Hrvatska] i Beograda [Srbija]
2012
Paunović, M., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Žganec, K., Prirodoslovno-matematički fakultet, Zagreb (Croatia). Biološki odsjek | Simić, V., Prirodno-matematički fakultet, Kragujevac (Serbia) | Hudina, S., Prirodoslovno-matematički fakultet, Zagreb (Croatia). Biološki odsjek | Lajtner, J., Prirodoslovno-matematički fakultet, Zagreb (Croatia). Biološki odsjek | Gottstein, S., Prirodoslovno-matematički fakultet, Zagreb (Croatia). Biološki odsjek | Kovačević, S., Prirodno-matematički fakultet, Kragujevac (Serbia) | Tomović, J., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Zorić, K., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Lucić, A., Prirodoslovno-matematički fakultet, Zagreb (Croatia). Biološki odsjek
The aim of this work is to present preliminary results of the Sava River investigation at five sites within the reach from Martinska Ves (Croatia) to Šabac (Serbia). A total of 70 macroinvertebrate taxa from 13 groups were recorded, with domination of molluscs and oligochaetes. Among them 7 alien species were registered. Invasive clam Corbicula fluminea was recorded at all five sites, while invasive amphipod Dikerogammarus haemobaphes was not recorded only at locality Šabac. It is expected that the taxa list of aquatic macroinvertebrates within investigated reach will contain more species, after the identification of the rest of biological material and more detail identification of certain taxonomic groups.
Afficher plus [+] Moins [-]Assessment pollution loads using simulation models of transport | Procjena tereta zagađenja primjenom simulacijskih modela transporta
2012
Milišić, H., Građevinski fakultet, Sarajevo (Bosnia and Herzegovina) | Kalajdžisalihović, H., Građevinski fakultet, Sarajevo (Bosnia and Herzegovina)
In the case that water quality data or even discharge data are missing, pollution loads were calculated as application of appropriate simulation models of pollution transport. Models can be in different levels complexity. Accuracy of the results depends on the accuracy of measurement data. In this study water quality of River Neretva (prediction of BOD pollution loads) is modeled in section from Mostar to Žitomislić using numerical model MIKE 11. Model is calibrated on the basis of available experimental data. Data of another time series are used for verification of last mentioned. The comparative analysis between measured and simulated data showed that MIKE-11 is able to predict sufficiently accurate BOD and DO loads at the catchment outlet.
Afficher plus [+] Moins [-]Saprobiological analyses of the Mileševka river (the Lim river watershed; Sava river basin) [Serbia] based on macrozoobenthos community | Saprobiološka analiza reke Mileševke (sliv reke Lim, basen reke Save) [Srbija] na osnovu zajednice makrozoobentosa
2010
Tubić, B., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Vasiljević, B., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Zorić, K., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Đikanović, V., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Vranković, J., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia) | Paunović, M., Institut za biološka istraživanja Siniša Stanković, Beograd (Serbia)
The paper presents the results of aquatic macroinvertebrates community analyses of the Milesevka river (Lim river watershed; Sava river basin) with aim to evaluate saprobiological status. Sampling was carried out on five localities during 2005. A diverse community (62 taxa) has been recorded during the investigation. Results of saprobiological investigation indicate satisfactory water quality, which is, according to national legislative, within 1st and 2nd quality class.
Afficher plus [+] Moins [-]Physical, chemical and microbiological analysis of rivers Mušnica and Suški potok [Bosnia and Herzegovina] as parameter of water quality | Fizičko-hemijska i mikrobiološka analiza rijeke Mušnice i Suškog potoka [Bosna i Hercegovina] kao parametri kvaliteta vode
2010
Lolić, S., Prirodno-matematički fakultet, Banja Luka (Bosnia and Herzegovina) | Golub, D., Prirodno-matematički fakultet, Banja Luka (Bosnia and Herzegovina) | Dekić, R., Prirodno-matematički fakultet, Banja Luka (Bosnia and Herzegovina) | Matavulj, M., Prirodno-matematički fakultet, Novi Sad (Serbia) | Ivanc, A., Fakultet za biofarming, Bačka Topola (Serbia)
During the summer 2009 physical, chemical, biochemical and bacteriological analyses of water of rivers Mušnica and Suški Potok were performed. Microbiological analysis point out that waters belong to the 2nd class by Kohl. The river Mušnica had slightly polluted water, and river Suški Potok had very slightly polluted water. According to the Regulation on Classification of Surface Waters in Republic of Srpska (Bosnia and Herzegivina) all the observed parameters belong to the first or second water quality class. Only the stream Suški Potok has chloride concentration that exceeds a third-class quality. On the basis of observed characteritics it can be concluded that Mušnica and Suški Potok have a satisfactory water quality.
Afficher plus [+] Moins [-]Cu and Cd adsorption on river sediment | Adsorpcija Cu i Cd na recnom sedimentu
2009
Colic, J., Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia) | Petkovic, A., Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia)
A batch adsorption test was conducted to examine the adsorption characteristics of cadmium and copper on bed sediments of the Sava river and its relation to the concentration of dissolved metals. The adsorption of ions were studied using equilibrium technique as a function of adsorbate concentration. The adsorption data, over the whole range of concentrations used, follow the Langmuir adsorption isotherm. Cu2+ and Cd2+ adsorption isotherms were measured on some sediment samples obtained from 3 different sites.
Afficher plus [+] Moins [-]Heavy metals content in Vojvodina [Serbia] watercourses in the period 2002-2008 | Sadrzaj teskih metala u vodotocima Vojvodine [Srbija] u periodu of 2002-2008. godine
2009
Trickovic, J. | Dalmacija, B. | Krcmar, D. | Roncevic, S. | Agbaba, J. | Pesic, V. | Maletic, S. | Dalmacija, M. | Bozovic, Lj., Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet, Departman za hemiju
The results of sediment quality monitoring gathered during the period 2002-2008 were processed and shown in the current work to assess the overall sediment quality in Vojvodina watercourses regarding heavy metals content. Since Serbia does not have legislation for sediment quality, Canadian and Dutch sediment criteria were used for evaluation of sediment quality. The elevated concentrations of heavy metals in Vojvodina watercourses are a consequence of the discharge of untreated or partially treated industrial and municipal wastewaters, but also of the corosion of metal structures and constructions (Cu, Zn) as well as the influence of difussion sources, principally agriculture (Cd, Cr, Hg) and transport (Pb).
Afficher plus [+] Moins [-]