The shrub and Black Locust communities of chosen parts of the Hron downs, the Slovak Republic

Abstract

The scrubland and Black Locust phytocoenoses belong to the substitute communities which constitute an important component in present cultural landscape. They arose and evolved according to certain rules. Their presence and arrangement is mainly dependent on the type of agricultural land. In the study area, around the Arborétum Mlyňany, these systems have become a permanent component of the vegetation. In our article there are given phytocenological and ecological characteristics of scrubland and Black Locust forest stands in the municipalities of Vieska nad Žitavou, Tesárske Mlyňany and Slepčany. Within the scrubland we determined association Ligustro-Prunetum R.Tx. 1952 with the ecological variations of Prunus spinosa and Vitis vinifera and within the Black Locust we determined association Chelidonio-Robinietum Jurko 1963, with ecological variant with Hedera helix and with facias with Rubus caesius and Vinca minor and association Bromo sterilis- Robinietum Jurko 1963 prov. For the allocation of communities were used numerical methods (JUICE, TWINSPAN), ecological analysis was conducted in the program JUICE. On the basis of the performed ecological analysis we can conclude that the communities are very similar in their ecological claims.