Abstract
The objective of this study was to perform a comprehensive botanical analysis of shore and littoral vegetation of a model mesotrophic lake and investigate their effectiveness as a phytogeochemical barrier against biogens of various origin. A lake catchment was characterised by natural (forests) as well as anthropogenic land use (extensive agriculture and stationary and unorganised recreation), generating a determined variability in the load of biogenic substances to lake waters. High potential effectiveness of the phytogeochemical barriers of the analysed phytocoenoses in the assimilation of biogenic substances was found to be particularly related to: species richness, diversity of life forms, presence of specific groups and species of plants and width of the buffer zone. This situation results from the natural properties of the habitat and the modifying effect of anthropogenic transformations in the catchment, affecting the biocoenotic composition of the shore and littoral vegetation of the lake, and therefore shaping the structure of its buffer zones. The morphometric parameters and hydrological conditions of the catchment, combined with variable human pressure and modified by the effectiveness of ecotone biogeochemical barriers, contribute to the mesotrophic limnological status of the lake.
Subject
Water Science and Technology,Aquatic Science,Geography, Planning and Development,Biochemistry
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