Species features of herbaceous plants of the city of Istra in the accumulation of heavy metals

El'cheva I., Zubkova V., Gorbunova V.

The article presents data on the accumulation of heavy metals (TM) by plants Dáctylis glomeráta, phlum pretense, Taráxacum officinále in various functional zones of the city of Istra; the contents of Pb, Cd, Cu, Ni, Zn in aboveground and underground parts of plants are established. It was revealed that the greatest concentration of the studied heavy metals in the above-ground mass occurs in Taráxacum officinále; the highest content of Zn, Pb and Ni is characterized by plants of the industrial zone, CD – residential, Cu – recreational. The distribution of TM in all plants is acropetal.

Keywords:impact pollution, heavy metals, concentration coefficients, accumulation coefficients, acropetal coefficients.