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The contribution to the knowledge phosphorus balance in the Crnojevica river water [Montenegro, Serbia&Montenegro]
2003
Djuraskovic, P. (Hidrometeoroloski zavod Crne Gore, Podgorica (Serbia and Montenegro)) | Kojovic, A. | Vujovic, A. | Filipovic, S.
The paper gives the contribute to analyses of the problem of Crnojevica river (Montenegro, Serbia&Montenegro) water pollution. The analyze surround measurement the next parameters: pH, conductivity, oxygen balance, sanitary parameters, content of different form of phosphorus. These measurements are carried out over five sampling series, at the seven stations, including underground flow rate in the Obod cave. Our estimations are confirmed the continuity of the Crnojevica river pollution, by municipality and strain water from Cetinje urban area. Nutrients, especially phosphates, from the pollution emission, attend conditions (together with many natural factors) for production biomass quantity. The opposite processes, the inhibition processes, exist. Phosphorus in the water attends increase level of the water pollution (over increase eutrophication degree), so the water is out of the legal class, because its usage is limited.
Afficher plus [+] Moins [-]Water quality examination of water source Zagoric [Montenegro, Serbia&Montenegro]
2003
Djurovic, D. | Karajic, M. | Delevic, V. (Institut za zdravlje Crne Gore, Podgorica (Serbia and Montenegro))
Water quality examination of water source Zagoric, was conducted with aim to determine water quality on the bases of physico-chemical parameters, in dry and rainy period. Water supply system in Podgorica scopes several water supply sources out of which Mareza and Zagoric have the greatest capacity. The aim of this study was to determine hygienic quality of water in operational and dug wells on representative locations in flow areas, and on the basis of obtained results to estimate its influence on population health.
Afficher plus [+] Moins [-]Water quality of Moraca river [Montenegro, Serbia&Montenegro] from chemical aspect, in the period 1998-2002, in the light of the existing regulation
2003
Tomic, N. (Hidrometeoroloski zavod Crne Gore, Podgorica (Serbia and Montenegro)) | Vulovic, Lj. | Vujovic, A. | Filipovic, S.
The results of the regular water quality monitoring in the river Moraca (Montenegro, Serbia&Montenegro), are presented in this paper. Thirty samples have been processed from six measuring station along the river's flow. The data relevant quality indicators (conductivity, dissolved oxygen, chemical oxygen demand, five days biochemical oxygen demand, ammonia, nitrites, nitrates, and phosphates) have been processed in the light of the existing regulations. It has been confirmed that the water quality, from the physical-chemical aspect, varies depending on the measuring location and the hydrological situation. The evaluated condition shows that the water quality gets worse, in the period of the five years, on the profiles of downstream places from Podgorica. The level of decrease gets to deviation from the requested A2CII class. It is particularly shown in the changes of the values for the nutrients and the relevant indicators of the organic pollution (dissolved oxygen, five days biochemical oxygen demand, chemical oxygen demand), which we presume can be consequence of the effect of the algaes during the period of the "low level water".
Afficher plus [+] Moins [-]Management of [water] reservoir outflow
2005
Curcic, S. E-mail:curcics@kg.ac.yu | Ostojic, A. | Comic, Lj.(Prirodno-matematicki fakultet, Kragujevac (Serbia and Montenegro). Institut za biologiju i ekologiju)
Man-made lakes cause direct and indirect changes in environmental conditions downstream of the water reservoir. Management must consider these water quality and environmental effects as well as uses of the river below the water reservoir.
Afficher plus [+] Moins [-]Phytoplankton contents, physico-chemical and saprobiological characteristics of Danube river, on Bezdan locality [Serbia (Serbia and Montnegro)]
2005
Cadjo, S.(Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia and Montenegro)) E-mail:scadjo@hidmet.sr.gov.yu | Djurkovic, A. | Miletic, A. | Bugarski, R.
The results of the examination point out on heterogenity of the phytoplankton community. The presence of 212 taxa has been noted. In the way of quality the green algae are dominant. In all the aspects of the quantitative analysis the domination of Bacillariophyta has been noted, first of all the centric forms. The amount of nutrients on the locality of border with Hungary is considerable, thus during low water and high temperature, the intensive algae development is usual.
Afficher plus [+] Moins [-]Water quality changes in the chanel network
2005
Belic, S. | Savic, R. | Belic, A.(Poljoprivredni fakultet, Novi Sad (Serbia and Montenegro). Departman za uredjenje voda)
Aspiration to multipurpose use of built drainage systems structure in Vojvodina, total length about 20,000 km, must be followed by detailed investigation of influence of water stream through detailed canal network (DCN) from water source to the final consumer. Typical cases of two purpose use of DCN is supply canal of drainage / irrigation system on region Middle Banat, Zrenjanin, characterized by taking water from Begej river and long stream to the final consumer. Influence of long stream through DCN to water quality change are investigated on mentioned localities during 2004. Obtained results are pointed out water quality decrease in these conditions. Decrease is expressive in case of smaller flow. This paper deals with estimation of water suitability for irrigation taking into consideration possible undersirable effects of this water to irrigated soil.
Afficher plus [+] Moins [-]Algal and saprobiological characteristics of river Crnojevica [Montenegro (Serbia and Montenegro)] water in summer period of 2004. Preliminary investigations
2005
Obuskovic, Lj.(Institut za bioloska istrazivanja Sinisa Stankovic, Beograd (Serbia and Montenegro)) | Djuraskovic, P.(Hidrometeoroloski zavod Crne Gore, Podgorica (Serbia and Montenegro))
The river Crnojevica is a subject of lasting manny years physicochemical and microbiological investigations, which show worring pollutants presence into the water current. This work represent preliminary investigations of Crnojevica river water algal flora (phytoplankton and phytoperiphyton), carrying out over summer period of 2004. Aim of the investigation was to point, based on algal analysis, as reliable indicators of water quality and ecological status of an aquatorius, the need to protect the river from permanent communal and industrial waste water pollution. The hyperproduction of phytoplankton in the investigation period was stated, but it varys along the current, in accordance with efluent inflow. On the base of saprobiological analysis of phytoplankton, determinated water quality was in class 2, till the worse was noted at T2 measure place, on the inflow place of Rijeka Crnojevica settlements sewage.
Afficher plus [+] Moins [-]Estimate of the emission of phosphorus from inundation zone of accumulation lake Rovni [Serbia (Serbia and Montenegro)]
2005
Manojlovic, D.(Univerzitet u Beogradu, Beograd (Serbia and Montenegro). Hemijski fakultet) E-mail:manojlo@chem.bg.ac.yu | Krsmanovic, V. | Golubovic, R. | Savic, S.
Eutrophication is one of the main problems of water deterioration in accumulation lakes. Phosphorus is considered as the key factor for eutrophication of lacustrine water. Its concentration in lakes originates from external input and the emission from the sediment. It was necessary to determine the substrates of phosphorus by sequential extraction in order to determine the dynamics and bioavailability of phosphorus. On the basis of results obtained the proposals for the preparation of land were made in order to minimise the input of phosphorus.
Afficher plus [+] Moins [-]Determination of lead content in stream water of river Ibar [Serbia (Serbia and Montenegro)] by potentiometric stripping analysis (PSA)
2005
Babincev, Lj.M.(Fakultet tehnickih nauka, Kosovska Mitrovica (Serbia and Montenegro)) E-mail:babicev@ptt.yu | Novakovic, I.D. | Rajakovic, Lj.V.
Potentiometric stripping analysis (PSA) is highly sensitive electroanalytical method for determination of traces of heavy metals. In this paper detection limit and linearity of potentiometric stripping analysis for lead was investigated. Method was successfully used for determination of traces of lead ion (detection limit 5 microgram/cubic dm) in stream water of river Ibar, before and after joint of potential pollutant.
Afficher plus [+] Moins [-]Contents of nitrogen and phosphorus in the DTD [Danube - Tisza - Danube] canal Vrbas - Bezdan [Serbia (Serbia and Montenegro)]
2005
Krcmar, D. E-mail:dejan@ih.ns.ac.yu | Dalmacija, B. | Ivancev-Tumbas, I. | Becelic, M. | Roncevic, S. | Pesic, V. | Kuzmanovic, S.(Prirodno-matematicki fakultet, Novi Sad (Serbia and Montenegro). Departman za hemiju)
In the frame of the project Revitalization of the Big DTD Canal and preparation for introducing modern wastewater treatment plants for the towns and industry in the Backa region, an all-inclusive program has been prepared for monitoring quality and quantity of water in the Big Canal and pertaining lateral canals. The paper presents results obtained for contents of nutrients (N and P) that indicate a poor quality of the Canal water, especially in the segment from the triangle to the hydrological node Vrbas. In many cases, measured concentrations of nitrogen and phosphorus were several times higher than maximal tolerable levels, so that it is necessary to undertake urgent measures with the aim of preventing further degradation of the Canal water, and eventually its revitalization.
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