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  • Author: Marcin Sykuła x
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The aims of the study were to characterize shoreline soil development and evolution and to determine land use changes (19th to 20th centuries) in the direct catchment of the completely vanished Gardeja lake. The study was based on pedological research and analysis of cartographic materials. The main factor determining the current development of shoreline zone soil cover at the former Gardeja lake was human activity (lake dewatering, further drainage and human-induced erosion). Studied soil profiles were developed from mineral, non-lacustrine materials (upper parts of the slopes) and lacustrine sediments covered with colluvium. The analyzed soil catenas are representative for the undulated young glacial landscape of Northern Poland. The biggest changes of the land use were observed for the class of grasslands that is combined with shrubs (increase of cover area).


The paper aims to assess the land use changes and the dynamics of the landscape pattern of the Grójec Valley in the scope of diverse anthropogenic impacts. The study site is located in the border of the Koło Basin and Kujawy Lakeland, Central Poland. This area was originally covered with wetlands. Since the beginning of the 20th century it has been influenced by intensive agricultural use, peat extraction and open-pit mining. The research is based on cartographic materials from 1941, 1981 and 2012. The most relevant finding was that in the first study period (1941–1981) the most common changes in land use (transformation of wetlands into grasslands with shrubs) took place. These were caused mainly by a change in hydrological conditions due to drainage for agricultural use (meadows and pastures) and peat extraction. The study confirmed that these land use changes significantly influenced the landscape structure in each of the analysed parameters (patch density and size, edge, shape and diversity metrics).