Abstract:The vegetation of the Samara Region is characterized by a relatively high content of copper. This biogeochemical feature is typical for natural and technogenic transformed ecosystems of the region. Copper is included in the group of elements of the 2nd hazard class. At certain concentrations it is necessary for the normal functioning of all organisms, but with increasing concentrations in the environment or in food it shows toxicity. The technogenic sources of copper include metalworking and machine-building e… Show more
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