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The role of aquatic macrophytes in phytoremediation of heavy metals
2007
Ilic, P.,Institut zastite, ekologije i informatike, Banja Luka (Bosnia and Herzegovina) | Pajevic, S.,Prirodno-matematicki fakultet, Novi Sad (Serbia) | Maksimovic, T.,Prirodno-matematicki fakultet, Banja Luka (Bosnia and Herzegovina) | Matavulj, M.,Prirodno-matematicki fakultet, Novi Sad (Serbia) | Tepic, S.,Institut zastite, ekologije i informatike, Banja Luka (Bosnia and Herzegovina)
Aquatic macrophytes are exceptional accumulations of heavy metals and they are very important in phytoremediation of the pollutants. The aim of the survey was to show according to content of heavy metals in aquatic macrophytes DTD (Danube-Tisza-Danube) canal complex, at localities under great human influence indicate the situation of chemical contamination these localities and to define test species, actually the ones that have the greatest accumulation. Plant material was prepared according to the Standard Methods for Examination of Water and Wastewater of the American Health Association. Analysis of heavy metals in the plant tissue samples was done by standard methods using atomic absorption spectrophotometry. The best accumulator of majority of heavy metals is Ceratophyllum demersum. The results show that mentioned species can be used for removal of heavy metals from water, what means that it has the ability of phytoremediation of pollutants.
Show more [+] Less [-]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)
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