Change of water properties during the process of floodplain vegetation destruction
2020
In laboratory conditions, the destruction of plant residues of floodplain plants in the aquatic environment was investigated. The subjects of the study were three species of plants that dominate the Ob floodplain: Inula salicina, Calamagrostis purpurea and Carex atherodes.Much attention was paid to dissolved organic matter (DOC), which plays a significant role in the aqueous environment. As a result of the work, species-specificity was revealed in the enleaching processes of macro and micro elements and organic matter from plants.It has been established that the process of destruction is primarily subject to representatives of the wild grasses.In the tested waters, in the structure of the DOC components, in the first fifty hours of the experiment, there was an increase in dissolved organic carbon, aroma substances and condensed carbon fragments, then the corresponding indicators were reduced, probably due to the mineralization of organic substances.
Key words: destruction, flood, water properties, dissolved organic matter
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