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	Osobnostní rysy chování hraboše polního: Jejich behaviorální plasticita a vliv na rozmnožování URBÁNKOVÁ, Gabriela This thesis is focused on development of individual behavioural tendencies (i.e. animal personality), behavioural plasticity and its influence on reproduction succes in common voles (Microtus arvalis). Because common vole is one of our most common rodent species with huge impact in agriculture, we investigated still not studied aspects of common vole's life. The definition of personality traits implies their relative temporal stability as well as, stability under different environmental conditions. In two studies, this personality traits stability/plasticity is approached as phenotypic plasticity using behavioural reaction norm. The first study presents the result of lifelong testing of voles using four open field tests with two-month intervals. The second study, on the other hand, provides insights into the development of personality traits during three days of placing a vole in a new monitoring box environment. The third study analyses one of the possible mechanisms for maintaining personality traits in the vole population. Whether greater similarity in the behavioural personality traits of parental pairs leads to a higher number of offspring. Detailed record
	The field trips to the Šumava National Park URBÁNKOVÁ, Gabriela Detailed record
	The development of an expression of personality traits: the common vole (\kur{Microtus arvalis}) study URBÁNKOVÁ, Gabriela The aim of this study was investigate the development of behaviour of common vole in usually used personality test - Open Field test. This study also used a new behavioural approach ? behavioural reaction norms - to investigate the relationship among personality traits, behavioural plasticity and body weight and chosen social characteristic. There were found the effects of adult body weight and litter size on individual behavioural plasticity and also the negative correlation between personality traits and behavioural plasticity, signaling the different level of habituation dependent on personality traits. Detailed record
	Are life-traps selective for bank voles (\kur{Myodes glareolus}) varying in reactions to signals of threat? URBÁNKOVÁ, Gabriela The aim of the study was to examine the selectivity of life-traps-comparison of two types of life-traps: the trap so called chmelovka, strandardly used trap, and a pitfall trap. These traps were compared on basis of the reaction to predator´odor test. Detailed record

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