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	The effect of ants \kur{Lasius niger} (Hymenoptera, Formicidae) on pH and other soil characteristics. VACH, Petr Previous studies found differences in chemistry between ant nests and surrounding soil, but it was not clear if the ants actively alternate nest condition or select sites that already differ in soil chemistry. The aim of the study was to explore latter question. Laboratory colonies of Lasius niger were reared in sand clay and peat and changes in soil pH and K+, Na+, Ca2+, Mg2+ were measured. Detailed record
	The effect of ants predation risk for herbivorous insect DRAG, Lukáš This thesis is the first step to evaluate the relationship between ant activity (predation risk) and the leaf damage caused by herbivorous insects. Tuna baits which were used in 1, 2 and 3 hours intervals to attract different species of invertebrates. The degree of herbivory was measured as the proportion of leaves that had been chewed or mined by herbivores. The most abundant and frequent potential predators were ants. All ant species were determined and patterns of their activity analysed. Detailed record
	Influence of Ants to soil physical properties Holec, Michal ; Frouz, Jan Detailed record

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