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Změny krajinného krytu na území Národního parku Podyjí
 PĚNKA, Tomáš
In this diploma thesis, I studied land use and land cover changes in the territory of Podyjí National Park during a period of almost 80 years. The background data were obtained from black-and-white aerial pictures from 1952, 1974 and 1989 further supplemented by two vectorized layers from 1938 and 2014. The main trends in the studied areas were a substantial growth of forest areas, decrease of permanent grasslands, and the agricultural areas. Analyses using landscape metrics showed that closed forest cover increased from 66% to 75% between 1952, 1974 and 1989. Moreover, during the same time period the area of open woodlands decreased by 3% (from 10% to 7%). The obtained results also indicated the gradual homogenization of the landscape, with changes in forest management having the greatest impact. Such trend might be dangerous especially for rare species associated with open forest habitats.
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