Ujházy N, Biró M: A vizes élőhelyek változásai (2013)

Ujházy N, Biró M
2013
A vizes élőhelyek változásai Szabadszállás határában.
Tájökológiai Lapok. 11 (2): 291-310.
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CHANGES OF WETLAND HABITATS IN THE TERRITORY OF SZABADSZÁLLÁS, HUNGARY
Historical landscape ecology has growing importance in the understanding of long-term ecological processes. Besides written historical data sources, interviews made with local inhabitants could be important sources of these studies. The goal of our research was to identify landscape and vegetation changes by field surveys, analysis of historical maps and semi-structured interviews.
This study was made on the Danube-Tisza Interfluve (Szabadszállás town, Kiskunság National Park). The area is situated at the border of two geographical regions, the Kiskunság sand ridge and the alluvial plain of the Danube. The most characteristic habitats of the area are Pannonian saline lakes and wetlands, and on the sand ridge dry open sand grasslands, and wetlands, especially fens, reed beds, and tussocky habitats.
Local people had detailed traditional ecological knowledge on typical wetland habitats and their characteristic species. Our field data showed the spreading of common reed (Phragmites australis) and Bolboshoenus maritimus and the loss of tussocky fen communities (Carex elata). These vegetation changes have been also perceived by local inhabitants. Interviewees explained these changes mainly by decreasing traditional land use and the drying out of the landscape. Descriptions of landscape and land-use changes of wetland habitats could provide relevant information for nature conservation and future management practices.