The interest in the research of heavy metals content in the vegetation is caused by a significant role of these elements in natural processes of plants metabolism. The results of the research of heavy metals quantitative content (Cr, Mn, Fe, Ni, Cu, Zn, Cd, Pb) in the water sampling of the Kazym river, inundated and water separate lakes located in borders of especially protected territory of Beloyarsky Region of Khanty-Mansy Autonomous Area Yugra Natural park “Numto” and also coastal and water vegetation of the analyzed reservoirs are presented in the study. Water and coastal-water vegetation sampling are done during complex ex-pedition on the territory of the natural park in July-August, 2016 on trial platforms of the model reser-voirs coastal zone with the low level of technogenic influence. The research of the background content of the chosen metals in the water bodies and vege-tation of Carex aquatilis Wahlenb. was carried out by the atomic absorption method. It has been es-tablished that Carex aquatilis reveals resistive properties in relation to high natural concentration of iron in the environment and the effect of accumu-lation in relation to nickel. The excess of maximum permissible concentration (MPC) in the iron water tests up to 17.8 the maximum permissible concen-tration limits doesn't lead to the increase in the con-tents of Carex aquatilis herbage. At low content of nickel dissolved in water (not higher than 0.03 max-imum concentration limits), the effect of its accumu-lation in vegetation is noted. The greatest excess of nickel content in the plants biomass in comparison with the water of corresponding reservoir is 5.6 times.
», heavy metals, water objects, coastal and water vegetation, accumulation, Carex aquatilis Wahlenb, Natural park “Numto”
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