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The recent investigations of zooplankton and its dominant group Copepoda in the South Adriatic [Montenegro]
2006
Regner, D. (Institut za biologiju mora, Kotor (Montenegro)), E-mail: dregner@cg.ac.yu
In this paper the results of zooplankton investigations (and its dominant group Copepoda) were presented from the part of the Boka Kotorska Bay with more intensive circulation with the open sea, from summer of 2005. Some results from the open South Adriatic were given, too - from the frontal zone exposed to anthropogenic eutrophication of Bojana and Drim rivers, and the impact of oligotrophic South Adriatic, simultaneously.
Afficher plus [+] Moins [-]Phytoplankton situation in the outer part of Boka Kotorska Bay [Montenegro]
2006
Vuksanovic, N. (Univerzitet Crne Gore, Kotor (Montenegro). Institut za biologiju mora), E-mail: nvuksanovic@ibmk.org | Krivokapic, S. (Univerzitet Crne Gore, Podgorica (Montenegro). Prirodno-matematicki fakultet, Studijska grupa za biologiju)
In this paper, results of phytoplankton investigations were performed in June 2005. The investigated positions are located near the entrance of Boka Kotorska Bay: two positions in the outer part (Zanjica and Mamula island) and two positions in the inner part of the Bay (Njivice and Tivat bay). In this area the influences of the open sea and the land are expressed to the phytoplankton community. As a consequence of that quantities of phytoplankton are lower in the outer part and higher in the inner part. The most dominant species is diatom Pseudo-nitzschia delicatissima which is very frequent in the eutrophic area.
Afficher plus [+] Moins [-]Application of ANFIS method in a course of simulation of expert opinion for oil spill pollution of Boka Bay aquatorium [Adriatic sea, Montenegro]
2006
Doklestic, O. (Vodacom, Kotor (Montenegro)) | Kovac, N. (Fakultet za pomorstvo, Kotor (Montenegro))
Oil spill phenomena occur very often in the Boka Aquatorium. By studying the occurrence of oil stain on the sea surface the analyses of the Boka Bay pollution is represented in this document. Also represented is an evaluation or stimulation of expert opinion in a case of oil spill occurrence, in relation to the air temperature with the obvious consequences of carbon hydrogen appearance/presence.
Afficher plus [+] Moins [-]Phytoplankton biomass of the Danube river [Serbia]
2006
Cadjo, S. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia)), E-mail: scadjo@hidmet.sr.gov.yu | Miletic, A. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia)) | Bugarski, R. (Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia))
A great floristic variety has been noted according to qualitative analysis of phytoplankton. The presence of 187 taxa from 7 divisions of algae has been noted. The results of quantitative analysis show the dominance of centric diatoms. The high values of biomass that point out on the trophicity increase are noted on the strech from Nestin to Zemun (Serbia) with the maximum at Centa (Serbia) with 15,885 mg/cubic dm. Downstream Zemun, it has been noted gradual decrease of biomass up to Pancevo (Serbia), and afterwards downstream the considerable reduction all the way up to Brnjica (Serbia), where the value of algal biomass was 1,697 mg/cubic dm.
Afficher plus [+] Moins [-]Phytoplankton and ecological potential of the Hydrosystem Danube-Tisza-Danube [Serbia]
2006
Nemes, K. (Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet, Departman za biologiju i ekologiju), E-mail: karolina@ib.ns.ac.yu | Simeunovic, J. (Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet, Departman za biologiju i ekologiju) | Matavulj, M. (Univerzitet u Novom Sadu, Novi Sad (Serbia). Prirodno-matematicki fakultet, Departman za biologiju i ekologiju)
Phytoplankton composition of the Hydrosystem Danube-Tisza-Danube (HS DTD) and isolated peaks of chlorophyll a in summer months of 2003 and 2004 revealed moderate ecological potential in Banat and Backa region (Serbia). Investigated HS DTD water pointed out to a slighty better ecological potential in 2004.
Afficher plus [+] Moins [-]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.
Afficher plus [+] Moins [-]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.
Afficher plus [+] Moins [-][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.
Afficher plus [+] Moins [-]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.
Afficher plus [+] Moins [-]Quality of the spring waters with regard to the level of lead, cadmium and zinc on territory of the Northern Kosovo and Metohija [Serbia]
2006
Babincev, Lj.M. (Fakultet tehnickih nauka, Kosovska Mitrovica (Serbia))
This is the presentation of the content of heavy metals (Pb, Cd and Zn) originating from the several representative locations of the natural water springs in the Northern Kosovo and Metohija . For the determination of presence and content of Pb, Cd and Zn in these spring waters the Potentiometric stripping analysis (PSA) method was used as a high-sensitive and selective electroanalytical technique.
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