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Pilfering is thought to play a role in the evolution of scatter-hoarding strategies; but is not well understood in larder-hoarding animals. I studied intraspecific pilfering in red squirrels in Kluane, YT, Canada. The purpose of this project was to estimate the natural rate of cache pilferage, and to examine variation in pilfering behaviour. Results from experimental removal of territory owners, suggested that younger squirrels with smaller food caches were more likely to pilfer when given the opportunity. Survival over-winter was dependent on the number of cones cached and pilfering squirrels were less likely to survive. Using a mark-recapture study of marked cones I found that few individuals (14%) did any pilfering and stolen cones represented only 0.3% of total cones cached. It is clear that pilfering occurs at a much lower rate in Kluane than reported for red squirrels in other regions, and is less than rates reported for scatter-hoarding species. / Ecology

(thefts of socialist property) This diploma thesis observes how the problems of thefts of socialist property in Czechoslovakia were presented in the Rudé právo, the press body of the Central Committee of the Communist Party of Czechoslovakia, between 1986 and 1989, or which discrepancies appeared in this presentation. The view on thefts of socialist property in the terms of law comes before the real core of the thesis - by putting stress on the definition of the socialist property in the Constitution, the given criminal act in the Penal Code, the view of the juristic literature on the social dangerousness of the given action, here represented by the Socialistická zákonnost journal. Afterwards the author focuses on how the problems of thefts (but also that of protection) of socialist property were related to the Communist Party of Czechoslovakia (or rather to its officials), top managers and rank and file employees, which he illustrates on particular cases. In the end the author compares the articles of the Rudé právo with some empirical findings - in relation to the survey of the Institute for public opinion poll by the Federal statistical office about the discipline and the check on the workplace, in relation to the statistics about the economic criminal activity mentioned in the German written...