Study of the action of heavy metals (Zn, Cd, Pb, Cu) on the growth and development of E. sanadensis in model experiments

Abstract

Aquatic plants irrespective of whether they belong to various environmental groups in the process of their life can accumulate items in fairly
high concentrations. Research of the aquatic plants is a necessary component of monitoring of water bodies, as components of nature show a different response to technoge noninterference. The ability of accumulation of
chemical elements is important in assessing water quality. The purpose of
research was to study the sensitivity and ability of Canadian elodea (Elodea
canadensis) to the accumulation of some heavy metals (Cd2+,Cu2+, Pb2+
,Zn2+) in the laboratory. Based on the results of the study, it was found that
cadmium and copper at high concentrations perniciously operates plants
E. сanadensis, compared with zinc and lead, maximum concentrations of
metals, where there are signs of vitality of plants: lead-10 MPC, copper-5
MPC, zinc-10 MPC, for cadmium-5 MPC. On the level of accumulation in
plants of E.сanadensis of heavy metals can be positioned in the following
series: Cu >Zn >Pb>Cd. The possibility of using plants E. сanadensis
purification from heavy metals.
Key words: higher aquatic vegetation, heavy metals, Elodea canadensis, LPC.