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Microbiologial aspect of water quality of reservoir Bocac and its tributaries [Bosnia&Herzegovina]
2003
Bobic, M. (Institut za vode d.o.o., Bijeljina, Republika Srpska (Bosnia and Herzegovina))
In the scope of complex physical-chemical and biological water examination of Bocac water reservoir, the river Vrbas and trbutaries Ugar and Crna Rijeka, examination of standard microbiological indexes of water quality (aerobic organotrophs at 22-26 deg C and 37 deg C, total colliforms and colliforms of fecal origin) was performed during 2002 (March-November). Number of examined microbiological parameters was mainly in the scope of the 2nd water category (beta-mesosaprobic water) with worse water quality in upstream part of the reservoir. Ugar tributary had the best water quality, while Crna Rijeka had the worst status with obvious anthropogenic influence.
Afficher plus [+] Moins [-][Seasonal dynamic of phytoplankton and zooplankton and saprobiological analysis of water quality of Bocal lake and tribut areas [the Republic of Srpska (Bosnia&Herzegovina)]
2003
Bobic, M. | Zaric, I. (Institut za vode d.o.o., Bijeljina, Republika Srpska (Bosnia and Herzegovina))
In scope of complex physical-chemical and biological examination of water quality of the Bocac lake, the river Vrbas and tributaries Ugar and Crna Rijeka, examinations of phytoplankton and zooplankton were performed during 2002 (March-November). In qualitative structure of phytoplankton 7 division were registered, with 93 taxa from 49 genera in total. In warmer period extreme domination have fire algae (Pyrrophyta). In zooplankton structure (Rotatoria, Cladocera, Copepoda) 78 taxa were registered from 36 genera, with distinct domination of Rotatoria group. According to saprobiological analysis species of olligo- and beta-mesosaprobic character are prevailing.
Afficher plus [+] Moins [-]Influence of the ash basin "Drazeljevo" on the reservoir Vrba water quality [The Republic of Srpska (Bosnia&Herzegovina)]
2003
Vasiljevic, M. (Institut za zastitu zdravlja Srbije "Dr Milan Jovanovic Batut", Beograd (Serbia and Montenegro)) | Maljevic, E. | Karadzic, V. | Vasiljevic, V. | Nikic, Z.
According to the plans, the town of Gacko tends to be water supplied from the water reservoir Vrba located at the river Vrba. About 150 to 200 m away is located ash basin. All ash basin area is oriented to the water reservoir and leaking water going directly to the water reservoir. The leaking water has high pH value, alkalinity, high content of sodium, potassium and sulphates. There are some heavy metals, but their concentrations are not significant. The influence of those contaminated water on the lake water quality is only little evident because of the high dilution rate.
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