Presja turystyki wodnej w ekotonach leśno-jeziornych na przykładzie jeziora Bełdany

The aim of this study was to recognize the threats to waterside stands and their ecotones growing on the banks of the Bełdany Lake heavily utilised by tourists. The method applied included of stand and bank inspection along 33 300 m of the shoreline, as well as polling tourists. The signs of damage caused by tourists were found every 330 meters of the shoreline, on average. The reed belt was most threatened. The places of its depletion can be spotted every 450 meters. Also waterside stands are exposed to penetration. A belt of 50 m or more in width is penetrated by about 60% tourists. The damage caused consist of soil compaction, disappearance of natural herb layer species, harvesting of wood for making fires, damage to trees, leaving litter in forests, or making fires.