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Ecology of bryophytes in post mining sites
 Fatková, Lucie ; Frouz, Jan (advisor) ; Mudrák, Ondřej (referee)
Mining sites offer a mosaic of spoil heaps of different age, with diverse substrate characteristics. Especially problematic for vegetation development can be toxic spoil heaps with substrate from the Tertiary rocks characterized by low pH values and a high content of heavy metals. Under such conditions, bryophytes survive amongst other groups of organisms. In the frame of this master thesis occurring bryophyte species were analysed on toxic, nontoxic and recultivated spoil heaps of different age. Soil parameters (pH, conductivity, content of heavy metals, organic matter and percentage carbon and nitrogen content) were tested and further environmental variables like coverage of vegetation layers were recorded to analyse the importance of these factors for bryophyte community composition on differently managed spoil heaps. In total 37 species of bryophytes were identified on spoil heaps in Sokolov. On old non-toxic spoil heaps bryophytes reached the highest diversity. Young non- toxic recultivated spoil heaps contained the lowest number of species although they were holding the highest coverage of bryophytes. Toxic spoil heaps bore less diversity than non- toxic spoil heaps. In early stages of succession short living life forms and short functional groups of bryophytes dominated. Successional...
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1 FATKOVÁ, Lydie
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