Zmiany składu gatunkowego i struktury syntaksonomicznej zespolu Phyllitido-Aceretum Moor 1952 na Roztoczu Ukraińskim

Abstract

Phyllitido-Aceretum Moor 1952 is a rare association of sycamore mountain in Europe and is protected by the Natura 2000. The occurrence of this association is related to the mountain areas of central and southern Europe, but only a few localities are also present on upland areas. In the area of Ukraine, Phyllitido-Aceretum only occurs in the Carpathians, while his position found in the Ukrainian part of the Roztocze is the only and the most easterly of its range. The study evaluated changes in species of composition and syntaxonomic structure of the association Phyllitido-Aceretum in the years 1986-2016. It has been shown, that Phyllitido-Aceretum in the Ukrainian part of Roztocze is formed with mountain vegetation, especially beech forests, but also from class ASPLENIETEA RUPESTRIA Br.-Bl. 1934 in Meier et Br.-Bl.1934. Trend of the development of association Phyllitido-Aceretum demonstrates its transformation into fertile beechwood Dentario glandulosae-Fagetum W.Mat.1964 et Guzikowa et Kornaś 1969, which is caused by the anthropogenic factor.