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Oligochaeta community of river Tisza [Serbia]: saprobiological water quality assessment
2006
Miljanovic, B. (Prirodno-matematicki fakultet, Kragujevac (Serbia). Institut za biologiju i ekologiju), E-mail: bane@ib.ns.ac.yu | Jurca, T. (Prirodno-matematicki fakultet, Kragujevac (Serbia). Institut za biologiju i ekologiju) | Pankov, N. (Prirodno-matematicki fakultet, Kragujevac (Serbia). Institut za biologiju i ekologiju) | Jovanovic, D. (Ministarstvo poljoprivrede, sumarstva i vodoprivrede Republike Srbije, Beograd (Serbia))
Recent surveys of river Tisza (Serbia) have shown that class Oligochaeta is commonly present as dominant member of benthic macroinvertebrate community. Knowing the fact that this class is very good indicator of organic upload in aquatic ecosystem, in this paper it is used for saprobiological water quality assessment of middle and lower stream of river Tisza in summer of 2002, 2004 and 2005. Results presented as saprobiological indices, showed that water quality of river Tisza (Serbia) was alfa-mesosaprobioc (the third class) during research period.
Show more [+] Less [-]Analysis of water quality in accumulations in Serbia in terms of treshold values under 75/440/EEC Directive
2006
Veljkovic, N. (Ministarstvo nauke i zastite zivotne sredine Republike Srbije, Beograd (Serbia). Agencija za zastitu zivotne sredine) | Jovicic, M. (Ministarstvo nauke i zastite zivotne sredine Republike Srbije, Beograd (Serbia). Agencija za zastitu zivotne sredine)
The paper considers legal framework for the surface waters quality control as per our Regulation and Directive 75/440/EEC in terms of required quality of surface waters intended to be used for the drinking water production. Research has been done in eight accumulations designed for water supply in Serbia, and water quality index has been determined using WQI method during the period 2000-2004. The water quality in these accumulations was within the treshold values in relation to the required quality.
Show more [+] Less [-]Microbiological and saprobiological characteristics of the river Moraca [Montenegro] and Skadar lake [Montenegro] during 2004/2005
2006
Radonjic, D. (Institut za javno zdravlje, Podgorica (Montenegro)), E-mail: drazanar@yahoo.com | Krivokapic, M. (Univerzitet Crne Gore, Podgorica (Montenegro). Prirodno-matematicki fakultet, Studijska grupa za biologiju), E-mail: marijanak2006@yahoo.com
Microbiological and saprobiological characteristics of river Moraca and Skadar lake for period of 2004/2005 are done at localities: Pernica, Moraca estuary and Vranjina (Skadar Lake). The objective of the research is to establish quality of water of these aquatic ecosystems based on microbiological and saprobiological analyses, as well as, to show need for protection of these water ecosystems from permanent contaminations, mainly by sewage should be pointed out. Saprobiological index is determined based on Gulyas Pal, and Pantle Buck is used to determine saprobiological level.
Show more [+] Less [-]The results of five year monitoring the sediment quality of the Djerdap [water] reservoir [Serbia, during the period 2001-2005]
2006
Milenkovic, N. (Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia)) | Popovic, L. (Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia)) | Janac, M. (Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia))
One of the key issues related to the water quality in the Iron Gate reservoir is the pollution of the sediment. Sediment deposits retained in the Iron Gate reservoir originate from a wide river basin with more then 80 million inhabitants and highly developed municipal and industrial infrastructure. Besides mineral river sediment, various organic and inorganic matters entered and deposited within the Iron Gate reservoir. Sediment research objective was to assess the content of contaminants and nutrients which potentially could enter the water column.
Show more [+] Less [-]Content of nutrients in some protected areas in Vojvodina [Serbia]
2006
Maletic, S. (Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet), E-mail: snezanak@ih.ns.ac.yu | Dalmacija, B. (Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet) | Trickovic, J. (Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet)
During spring of 2005, referent monitoring of the chemical quality of surface waters and sediments in some protected areas in Vojvodina (Serbia) was conducted as a supplement to the Regular monitoring program. The aim of the study was to establish the chemical quality of surface waters and sediments regarding nutrient content. It is shown that the water quality satisfies the criteria of the 1st/2nd class according to our legislation, with the exception of the Ludos location, which showed a contamination with nitrogen matter in water and sediments. With regard to the contamination of water with phosphorus, almost all locations may be considered as potentially problematic.
Show more [+] Less [-]Drinking water quality in small water supply system regarding to arsenic concentration in district of Northern Backa [Serbia]
2006
Jovanic, S. (Zavod za zastitu zdravlja Subotica, Subotica (Serbia)), E-mail: sale@eunet.yu | Stanic, A. (Zavod za zastitu zdravlja Subotica, Subotica (Serbia)), E-mail: sale@eunet.yu
Determination of total arsenic and As(III) was performed in untreated and treated water samples collected in some small water supply systems in Northern Backa district (Serbia). Concentration of total arsenic in treated water was between 71 and 115% of total arsenic in untreated water (0.001-0.168 mg As/cubic dm). In untreated water concentration of As(III) was between is less than 0.001 and 0.078 mg As/cubic dm. However, during the water treatment (chlorination process) As (III) concentration decreased significantly to the level of 1 to 2% of start concentration in untreated water. Influence of conservation water sample with HCl increased with consumption of KMnO4 on determination of As(III).
Show more [+] Less [-]Phytoplankton contents and saprobiological characteristics of Tamis river on Jasa Tomic locality [Serbia]
2006
Djurkovic, A. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia)), E-mail: adjurkovic@hidmet.sr.gov.yu | Crnkovic, N. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia)) | Cadjo, S. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia))
This paper presents the results of the examinations of phytoplankton community of the Tamis river from March 2003 till December 2004. During the investigation it was determined 136 algal taxa from 6 divisions: Cyanophyta (10 taxa), Chrysophyta (1 taxa), Bacillariophyta (66 taxa), Pyrhophyta (4 taxa), Euglenophyta (14 taxa) and Chlorophyta (41 taxa). The contents and the structure analysis of phytoplankton as well as saprobiological valorization of water quality, has been carried out in the Republic Hydrometeorological Service of Serbia. Results of quality and quantitative analysis point to domination of Bacillariophyta and Chlorophyta. The index of saprobity given on the basis of Pantle-Buck method indicated that the quality of water of Tamis river on Jasa Tomic border locality belonged to beta and beta-alfa mesosaprobic category.
Show more [+] Less [-]The use of biomanipulation in water reservoirs - yes or not?
2006
Milenkovic, P. (Zavod za zastitu zdravlja Timok, Zajecar (Serbia)) | Ivanc, A. (Prirodno-matematicki fakultet, Sarajevo (Bosnia and Herzegovina)) | Miljanovic, B. (Prirodno-matematicki fakultet, Novi Sad (Serbia). Departman za biologiju i ekologiju), E-mail: bane@ib.ns.ac.yu | Istatkov, Z. (JKP Vodovod, Zajecar (Serbia)) | Bajic, A. (JKP Vodovod, Zajecar (Serbia)) | Nakic, S. (JKP Vodovod, Zajecar (Serbia))
There are some water reservoirs on the territory of Zajecar district area (Serbia). Their purpose and time of building are very different. It is also different the organic matter production in those reservoirs. Water reservoirs for supplying with drinking water are very specific because the increased of organic products makes some difficulties in process of refinement reservoir water to drinking water. In this paper we are trying to explain, taking the reservoir Grliste for the example, if the biomanipulation exerts on water quality in the reservoirs.
Show more [+] Less [-][Nutrients determination in the river Tisza [Serbia] sediment during the period of 2004-2005]
2006
Crnkovic, N. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia). Sektor zastite zivotne sredine, Laboratorija i Kvalitet voda) | Mijovic, S. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia). Sektor zastite zivotne sredine, Laboratorija i Kvalitet voda)
Within the pollutant analysis in sediments the total organic carbon (TOC) content is determined, as well as nutrients such as nitrogen and phosphorus. In addition to this form carbon may be present as elemental or inorganic ones, as the crucial issue for sample preparation. Total phosphorus content was determined after sample digestion with sulphuric and perchloric acid. Organic nitrogen values were determined according the Kjeldahl method. Concentrations of TC, TOC, TIC, total P, organic N and total N in river Tisza sediment samples from sites Martonos, Novi Becej and Titel during 2004 and 2005 were presented.
Show more [+] Less [-]Conditions of physico-chemical and microbiological characteristics of agricultural soil of groundwater source of city Smederevska Palanka - Trnovce [Serbia]
2006
Pivic, R. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Rasulic, N. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Nikolovski, M. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Popovic, V. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu
In the frame of the project Water Supplying of the Cities and Protection of the Groundwater Quality in the Velika Morava Valley, was obtained the analysis of potential polluters of groundwater source of city Smederevska Palanka - Trnovce. This paper presents results of water physical, chemical and microbiological characteristics of soil. According to the results of research and way of usage of the soil, it was concluded that agricultural production does not have negative influence on quality of the groundwater source.
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