خيارات البحث
النتائج 1 - 7 من 7
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.
اظهر المزيد [+] اقل [-]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.
اظهر المزيد [+] اقل [-]Results of the application [of] WQI method on Vojvodina [Serbia] rivers and canals and correlation with the Desmid community
2006
Stamenkovic, M. (Univerzitet u Beogradu, Beograd (Serbia). Bioloski fakultet, Institut za botaniku i Botanicka basta Jevremovac), E-mail: marie110@gmail.com
In this paper the results of the application of WQI method on Vojvodina main rivers and canals are shown. There were investigated 41 localities, from April 2002 to May 2003. There was observed high degree of correlation between the WQI values and the qualitative composition of the desmid community. Exceptions to that rule were noticed, since that WQI is not sufficient parameter of the water quality.
اظهر المزيد [+] اقل [-]Comparative review of physico-chemical analysis of river Moravica [Serbia] water and heavy metals presence in slime and herb Mentha aquatica
2006
Milenovic, V. | Janjic, L. (Univerzitet u Nisu, Nis (Serbia). Fakultet zastite na radu)
In the course of implementation of project Ecological Significance Evaluation of River Moravica Basin with Pollutants Identification, supported by REC and DRP, chemical and physical water analysis were done, as well as slime analysis. Heavy metals presence in water, herb Mentha aquatica and slime was analysed at six relevant locations downstream river Moravica. Heavy metals test results in slime and herb Mentha aquatica points out the presence of Zn, Cu, Fe, Mn, with heavy metals concentration rise from spring to mouth of river Moravica to river Juzna Morava. Chemical and physical analysis of water content, and detection of heavy metals presence in herb Mentha aquatica - as bioindicator and in slime, shows on water contamination with heavy metals as the inflow result of waste waters from numerous polluters.
اظهر المزيد [+] اقل [-]Potential impact of the Nadela [Serbia] stream water and sediments quality to arable soil
2006
Belic, S. (Poljoprivredni fakultet, Novi Sad (Serbia). Departman za uredjenje voda) | Savic, R. (Poljoprivredni fakultet, Novi Sad (Serbia). Departman za uredjenje voda) | Belic, A. (Poljoprivredni fakultet, Novi Sad (Serbia). Departman za uredjenje voda) | Pantelic, S. (Vode Vojvodine, Novi Sad (Serbia))
The paper deals with quality of water and deposits in the Nadela stream (in Banat, Serbia). This stream is outline of regional multipurpose hydrosystem within the same name. Analyses are carried out according to water usability for irrigation and properties of settled sediments from stream bottom. Their potential influence, and effect of their application to surrounding arable soil were investigated.
اظهر المزيد [+] اقل [-]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.
اظهر المزيد [+] اقل [-][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.
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