Zbiorowiska z dominującym udziałem traw występujące na nieużytkach powstałych w wyniku przerobu rud cynkowo-ołowiowych
Journal Title: Łąkarstwo w Polsce - Year 2016, Vol 19, Issue
Abstract
The aim of studies that were conducted on flotation settlings was to show the diversity of vegetation with dominance of grasses, as well as, to show habitat preferences of species that can be important in terms of the reclamation of post-industrial areas. The floristic composition and percentage coverage of species according to Braun-Blanquet scale was determined in 56 sample plots. The classification of dataset with the use of Ward’s method enabled to distinguished 10 plant communities. Moreover, DCA analysis with passively projected Ellenberg’s indicator values was performed in order to show the diversity of vegetation and to detect some environmental gradients. The floristic composition of those communities is mostly based on a dominance of one species that gives them a specific physiognomy such as Arrhenatherum elatius, Agrostis capillaris, Molinia caerulea, Festuca arundinacea, F. rubra, Calamagrostis epigejos, Deschampsia caespitosa,Solidago gigantea, Melilotus alba.The higher values of fidelity to a given cluster (measured by phi coefficient) was recorded in case of such species as: Phragmites australis (95,3), Molinia caerulea (87,7), Festuca arundinacea (70,2), Melilotus alba (79,8), Solidago gigantea (62,7), Cala-magrostis epigejos (59,7) and Festuca ovina (59,1). From 3 to 13 grass species occurred in recorded plant communities. Their share in coverage of vegetation reached from 25% to 90%. The more species diverse were communities dominated by such grasses: Festuca arundinacea (H = 2,03),Deschampsia caespitosa (H = 2,07), Arrhenatherum latius, Festuca rubra (H = 0,83) and the low diverse with higher share of Phragmites australis (H = 0,83).
Authors and Affiliations
K. Ryś, Agnieszka Kompała-Bąba
Keywords
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