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Automatic measuring stations for continuous water quality parameters monitoring on main waterstreams in Serbia
2007
Mijovic, S.,Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia) | Palmar, B.,Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia) | Stevanovic, S.,Republicki hidrometeoroloski zavod Srbije, Beograd (Serbia)
It is intended the build up of three automated measurement stations for continuous measurement of water quantity and quality parameters on the rivers Danube and Tisza: water level, temperature, pH, dissolved oxygen, conductivity, turbidity, ammonium ion concentration, nitrates concentration and chlorophyll a. The purpose of continuous measurement was to demonstrate the variability in time and space of the aquatic processes, as well as remote transfer of data to the centre. The large fluctuations of the data from discrete measurements illustrated the importance of continuous measurements for the complete description and modelling of the biological processes in the river.
Afficher plus [+] Moins [-]Impact of hydromorphological alterations on ecological status of nature park Ponjavica [Serbia]
2007
Trifunov, S.,Prirodno-matematicki fakultet, Novi Sad (Serbia) | Planojevic, I.,Prirodno-matematicki fakultet, Novi Sad (Serbia) | Jurca, T.,Prirodno-matematicki fakultet, Novi Sad (Serbia) | Nemes, K.,Prirodno-matematicki fakultet, Novi Sad (Serbia) | Teodorovic, I.,Prirodno-matematicki fakultet, Novi Sad (Serbia)
Ecological status of protected area of Ponjavica water body, evaluated using hydromorphological, basic physico-chemical and selected biological quality elements, can be indicated as very bad. The accerelated eutrophication process this water body (once running now stragnant water) undergoes, leads to hypereutrophic current condition, with clear trend towards dystrophy.
Afficher plus [+] Moins [-]Distribution of components ass. Scirpo-Phragmitetum, Koch 1926, through the flow of the river Moravica [Serbia] and their indicative values
2007
Milenovic, V.,Osnovna skola Vuk Karadzic, Zitkovac (Serbia) | Randelovic, N.,Prirodno-matematicki fakultet, Nis (Serbia)
During the research of the flora of the river Moravica methodology of ass. Scirpo-Phragmitetum, Koch 1926, subass. typhetosum latifoliae, Pignotti 1953, with differential typa Typha latifolia with related marshy plants was applied. The community is developed as small units in the lower flow of the river Moravica (the part flowing through the town Aleksinac), where the anthropogenic influences are significant due to the empting of the sewage and industrial polluted waters of the town Aleksinac. Many diffuse forms of pollution are also present, particularly in the form of illegal dumps. Waste waters represent serious load on the recipient river and influence qualitative and quantitative content of the phytocenosis. Ecological index of the community shows change in water quality and presence of organic substances (above all nitrogen compounds) in the water and the riverbed ass. Scirpo-Phragmitetum, Koch 1926, subass. typhetosum latifoliae, Pignotti 1953, which indicates the riverbed loaded with organic substances (mezotrophic plants, N=3.50)
Afficher plus [+] Moins [-]Saprobiological characteristics of Skadar lake and Bojana river [Montenegro]
2007
Radonjic, D.,Institut za javno zdravlje, Podgorica (Montenegro) | Ceprnic, D.,Vodovod i kanalizacija, Herceg Novi (Montenegro)
Research of phytoplankton is conducted in different seasons during 2004 and 2005. River Bojana and Ada Bojana are analyzed on several locations. The objective of research is based on algae as reliable indicator of water quality and ecological condition of water. We would like to show the need for protection of these water ecosystems from permanent contamination, basically sewage waste. Saprobiotic index is determined by Gulyas Pal method. Pantle Buck method is used to calculate saprobiotic level. Chlorophyll A is analyzed by spectrophotometer. Presence of Cyanophytae was established.
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