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REVISTA DE CHIMIE
https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie, Volume 66, Issue 1, pp. (2015)




Adrian Burada, Catalina Maria Topa, Lucian P. Georgescu1, Liliana Teodorof, Cristina Nastase, Daniela Seceleanu-Odor, Catalina Iticescu Heavy Metals Environment Accumulation in Somova - Parcheş Aquatic Complex from the Danube Delta Area

Abstract:

Heavy metals are released into environment from natural and anthropogenic sources. We measured cadmium, chromium, nickel, lead, manganese and zinc in four wetlands species (Phragmites australis, Typha angustifolia, Potamogeton pectinatus and Stratiotes aloides) collected during 6 years (2007-2012) from Somova Parches aquatic complex belonging to Danube Delta (one of the largest Biosphere reservation in Europe), and also in water and sediment samples from the same area. It is for the first time when these actions and monitoring activities are developed on these sites. We determined the metals concentrations in leaves, rhizomes, water and sediments from two sampling sites situated on two lakes (Somova and Rotundu), near a farmland (West) and a dump slam (East) situated in the vicinity of the aquatic complex. High concentrations of Cd, Pb and Ni were found in plants, water and sediments exceeding the permissible maxim values for water and sediment samples. Therefore, the study revealed that Phragmites australis and Typha angustifolia may have a high bioaccumulation potential of heavy metals and Stratiotes aloides is less suitable to be used as bio accumulator in heavy metals retention. Also it was observed that macrophytes accumulate zinc and nickel at high level of concentrations. Keywords: heavy metals, macrophytes, water, sediment

Issue: 2015 Volume 66, Number 1
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