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Angling Management in the Slapy Riverine Lake
Babický, Jan ; Hanel, Lubomír (advisor) ; Andreska, Jan (referee)
The master's thesis focuses on Slapy valley reservoir which is first described as a suitable location for fishing and recreation. Special attention is also paid to its history. The main body of the thesis features the enumeration and characteristics of individual fish species which occur in the reservoir. Furthermore, the thesis deals with the evaluation of the fishing management of the reservoir from 1962 to 2016 considering fish stock and catches of individual species. Factors influencing the development and dynamics of the fish stock are also evaluated. The summary management of Slapy valley reservoir is analyzed in terms of fish stocking and fishing yields. In addition, the population dynamics trends of predatory and non-predatory fish species are analyzed on the basis of fishing catches. In the conclusion, the current condition of the fish stock is evaluated and some minor recommendations for optimizing the fishing management of the reservoir are proposed. KEYWORDS: fish, Slapy, valley reservoir, sport fishing, catch, fish stock, fishing management
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Vliv regulace násady hroznů na vývoj révy a kvalitu hroznů
Ťápal, Marek
The knowledge of location conditions, grapevine morphology and physiology are the fundamental assumptions for production of high quality grapes and final wine. The quality management should be considered as a comprehensive set of agrotechnical steps which influence the crop quality. The canopy management, especially bunch thinning, represents a group of actions influencing grapes quality parameters such as sugar and acids content, pH value and the content of polyphenols, anthocyanins and yeast assimilable nitrogen. The aromatic or phenolic maturity and plant vigor are influenced by the canopy management, too. The bunch thinning experiment with Malverina grape variety showed a very positive effect on sugar and acids content, pH value, aromatic maturity and plant vigor.
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Possibilities of increasing of European grayling (Thymallus thymallus L.) quality stock production for running waters
NEBESKÝ, Václav
European grayling (Thymallus thymallus L.) is important and ancestral kind of fish in Czech Republic. Today number of grayling in open waters is decreasing. It caused many reasons. Mainly increasing fishing pressure, unfavourable regulation of streams, water pollutinon, raising occurrence of predators etc. That is why is necessarily devote care to this problem. Main goals of this work were optimalization of technologies to decrease post-spawning mortality of grayling spawners. Optimalization of technologies for breedig offspring of European grayling (Thymallus thymallus L.). Use artificially propagated stock of European grayling (Thymallus thymallus L.) in conditions of open waters. Experiments were done in Blanice River in South Bohemia (Czech Republic) and a hatchery of the Czech Anglers´ Union in Husinec. Part works were done in 2005, but majority in 2006. Results of this work indicate that is possible decrease post-spawning mortality of grayling spawners with using antibiotics. Also using stockfish from controlled conditions for restocking the open waters is conditionally possible. Problem is however with high losses after release.
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