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	Procesy desertifikace na jižní Moravě a jejich vliv na vybrané půdní vlastnosti Bartlová, Veronika Diploma thesis Effect of desertification on selected soil properties is focused on studying changes in soil properties during desertification. Experimental research was aimed at the evaluation of effect of soil conditioners (Agrisorb, Zeolite, and Lignite) on selected soil properties. Object of study was Aeolic Dystric Regosol (Hodonin, Czech Republic). Results showed that application effect depends on soil properties, character of soil conditioners, plant cover, and climatic conditions. Detailed record
	Vliv poškození lesa pastvou na aridizaci krajiny v severním Mongolsku Hudzieczek, Jaroslav The theme of this thesis (Effect of grazing for forest damage and related aridization of northern Mongolia) is mainly focused to study and assess the impact of excessive forest grazing on the ability of natural regeneration with consequent negative impact on increase of aridization and desertification elswhere in northern Mongolia. The research was focused on sites Goricho, Barun Bayan and Dzun Bayan in the national park Khan Khentii Strictly Protected Area and the area of the National park Khowsgol Nur Lake. The significant damage of larch forests was found and studied in all four study areas. The main role have livestock grazing, and to a lesser extent also a wildlife. Among the most affected young trees dominated tree species: Larix sibirica, Betulaspp. and Pinus sibirica. Studied forests of the Goricho display high mortality, and their natural regeneration is strongly reduced due excessive forest grazing. Locations Barun Bayan and Dzun Bayan are due to their remoteness damaged to a lesser extent than Goricho. Natural regeneration at the site Khowsgol Nur is subjected to heavy grazing pressure, especially from goats and sheep, regeneration is severely damaged. Larix sibirica was examined at this Khowsgol Nur site as damaged in lesser extent (damaged individuals outweighed healthy individuals). Due to the high damage raid on Goricho and Khowsgol Nur is the decreased ability of vegetation to restore forests naturally. All these areas are highly vulnerable to increasing aridization and desertification. The process of desertification, which is among the planned priority and dealt with development aid projects in Mongolia, is currently very topical in other arid parts of the world and this is the main reason why the present research is realized. Both aridization and desertification along Northern Mongolia is documented by significant signs of water and wind erosion and increase of annual temperature and context of lower water supply. Detailed record
	Význam a možnosti hodnocení biodiverzity systému rostlinné produkce v zemědělských podnicích Bartoš, Přemysl Detailed record

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