Heavy metal concentrations in the dominant plant species of pasture on mt. Stara planina

Abstract

Stara Planina is one of the centers of plant diversity not only of our country, but also of the Balkan Peninsula, with 1195 plant species in 33 families and 455 genera. Throughout the region, and especially in the mountainous belt, thanks to inadequate utilization (pasture and mowing), and other anthropogenic impacts, most of the pastures are more or less degraded. Many plant species (cultivated, medicinal, spontaneous native, trees, etc.) are known as the hyper sinks of individual trace elements. The concentrations of some heavy metals (Cu, Zn, Pb, Ni, Cr and Mn) were determined in the (nine) most frequent species of the pastures of Stara Planina, locality Javor, aiming at the identification of the bioaccumulation of these elements.

Stara Planina je jedan od centara florodiverziteta ne samo naše zemlje već i Balkanskog poluostrva na kom egzistira 1195 biljnih vrsta iz 33 familije i 455 rodova. Na čitavom području, a posebno u planinskom pojasu, usled, neadekvatnog iskorištavanja (ispaše i kosidbe), i ostalih antropogenih uticaja većina pašnjaka je u manjoj ili većoj meri degradirana. Mnoge biljne vrste (gajene, lekovite, spontane prirode, drveće itd.) su poznate kao hiperakumulatori pojedinih mikroelemenata. Određivan je sadržaj nekih teških metala (Cu, Zn, Pb, Ni, Cr i Mn) visokofrekventnim vrstama (devet) pašnjaka na području Stare planine, lokalitet Javor, sa ciljem utvrđivanja bioakumulacije ovih elemenata.