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Educational Activities for Lower and Upper Grammar School Focused on the Grey Partridge
Klapalová, Nora ; Andreska, Jan (advisor) ; Hanel, Lubomír (referee)
This diploma thesis deals with the creation of a clearly arranged calendar which summarizes basic information about the occurrence, breeding and hunting of partridges (Perdix perdix) in the years 1927 to 1960. This calendar was created on the basis of the research of archive years of the magazine Stráž myslivosti which changed its name to Myslivost in 1953. The research period starts with the year 1927 when the partridge population was abundant in the Czechoslovak Republic, and continues until 1960. By this time, the partridge population had undergone a number of changes. The most significant one was the considerable decrease in the number of individuals. The first reason of the large decline in partridges were the severe frosts in 1929 and then also in 1940 and 1941. Since that year, hunters have been trying to increase the number of partridges artificially. On the one hand by catching and releasing them, or by artificial breeding of partridge chickens. At the end of the 1940s, the population increased to half the number of pre-war occurrences. In the 1950s, however, the partridge population declined again. This decline is mainly due to the transformation of the natural agricultural landscape into a cultural landscape and the infrastructure development. Based on the calendar a total of ten...
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Population viability analysis of endangered species in Czech Republic
Šťastná, Andrea ; Helman, Karel (advisor) ; Bašta, Milan (referee)
Diploma thesis analyzes the viability of the selected species populations in the Czech Republic. The thesis is divided into two main parts. The first part contains a stochastic model simulating possible scenarios of the Eurasian lynx population size in the Czech Republic. For this model program Vortex was used. The second part is focused on Time series analysis of the Grey Partridge and the Common Kingfisher population, where data was obtained from the Czech Society for Ornithology. This analysis aims on identification of factors that may affect the viability of the two bird species.
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Nest predation risk in Grey Partridge (Perdix perdix)
Holomek, Stanislav ; Šálek, Miroslav (advisor) ; Poláková, Simona (referee)
The gray partridge (Perdix perdix) is a bird species living in hiding and nesting on the ground in the open landscape. Even though this species uses several well-known anti-predator adaptations and strategies, its nests are often predated. The range of nest predators and the circumstances of predation have not, however, been satisfactorily described yet. This diploma thesis summarizes the results of experiments carried out on artificial nests and is supplemented by the description of nest behaviour of two incubing hens obtained from video shooting their nests. This work also includes the results of video shoots of predators on artificial nests, the most common of them being the marten. The successful survival of nests in all experiments was influenced mainly by hiding the nest in vegetation. However, the presence of feather odour of adult birds increased the risks of predation even for well-hidden nests. Nests placed in grass biotopes survived the best regardless their covering. What mattered most in other biotopes (along the edges of field roads, forests or groves and field biotopes off any lines) was the covering of nests with vegetation. Partridges nesting close to the edge of a forest or a grove are not very safe from predators. The fact that both nesting partridges and nest predators prefer a...
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Phenotypic traits and pairing success of the Grey Partridge \kur{(Perdix perdix)}
BLAŽKOVÁ, Pavla
The master thesis works measures of phenotypic traits and unique data of pairing of wild living grey partridges. The secondary sexual traits and theirs variability is described. Especially the relationship between the ornamental traits and the pairing success was researched. The results proved the greater pairing success of males with the larger melanin breast patch and the greater quality of the mate in females with the larger breast patch. The strategy of male floaters, which are realatively well ornamented is discussed.
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