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In this paper changes in the landscape were analysed in the direct drainage area of Jeziorak Lake. They can be traced back to stages in the development of the man-environment system, that is, drawing from the ecosystem, the intensification of farming and trade and the development of tourism and building. The landscape, on which man drew for ecosystem products for his survival, was highly natural and variety was added by paying attention to fixed features of the land. The participation of country areas surrounding the lake changed its type of landscape to a natural-agricultural character. Buildings, meadows and fields were well matched with the natural flora. Structure of ecosystem is preserved but waters were polluted with fl ows from farmland. Recently tourism and building are changing the landscape in many parts disadvantageously for the landscape and ecosystem. The interference in the flora of the littoral is reducing the ability of the ecosystem to self-cleanse water and stabilize soil directly in the drainage area.
Agriculture, ecosystem products and services, landscape, sustainable development, tourism residential buildings
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