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Suitability of irrigation water on potential water resources as detail canal network | Upotrebljivost voda za navodnjavanje sa potencijalnih izvorišta na detaljnoj kanalskoj mreži
2012
Vranešević, M., Poljoprivredni fakultet, Novi Sad (Serbia) | Belić, S., Poljoprivredni fakultet, Novi Sad (Serbia) | Belić, A., Poljoprivredni fakultet, Novi Sad (Serbia)
Constant and highly productive agricultural productivity in the last decades has a tightly connected to irrigation. It is necessary to monitor the irrigation water quality in order to prevent or mitigate negative consequences on yield, soil and irrigation equipment. Besides the major waterways, the detailed canal network has great potential as a water resource. Peculiarities of this kind of water resources require monitoring of water suitability. During a three-year period of research, water was sampled on some localities in Backa and Banat (Serbia). The results of the research indicate that the water quality does not meet the demands proposed by the classifications. This proves the fact that during the irrigation period, it is necessary to monitor the irrigation water quality.
Show more [+] Less [-]Risk assessment in the sediment/water system based on the metal content in sediment | Procena rizika u sistemu sediment/voda na osnovu sadržaja metala u sedimentu
2012
Krčmar, D., Prirodno–matematički fakultet, Novi Sad (Serbia) | Dalmacija, B., Prirodno–matematički fakultet, Novi Sad (Serbia) | Dalmacija, M., Prirodno–matematički fakultet, Novi Sad (Serbia) | Pešić, V., Prirodno–matematički fakultet, Novi Sad (Serbia)
The paper presents the results of different methods of sequential extraction of metal in sediment of the Great Backa canal in order to obtain data on the total, available and potentially available contents of heavy metals as well as risk assessment in aquatic systems. Based on the results of sequential extraction of metals was found that sediment does not have the risk to the environment in terms of Cr, Cu and Pb concentration while the contents of Ni, Zn and Cd sediment indicates a moderate risk. Results of sequantial extraction of metals indicate that the risk to the aquatic ecosystems decreases in risk assessment based on the pseudo total metal content in the sediment. Thus the results suggest that not all detected metals are bioavailable and that not only on the basis of total metal content of the actual risk may be overestimated.
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