Abstract
The gross and average contents of 15 metals (Al, As, Cd, Co, Cu, Ge, Fe, Mn, Mo, Ni, Pb, Sn, Ti, V, and Zn) in samples of Hypogymnia physodes collected from a reserve area in Tver Region were determined using inductively-coupled plasma atomic emission spectroscopy (ICP-AES). Apparently, most of these elements appeared as a result of transboundary transfer. Their concentration in lichens depended on the atmospheric humidity. An excess of moisture in ecotopes located near rivers and swamps increased the gross concentration of separate elements in the lichens. The average contents of most elements in the specimens were within permissible limits, which allowed possible baseline element concentration ranges for this region to be established.
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