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	Report on the progress of work related to the conservation of common bream in 2022. Šmejkal, Marek ; Kiran, Thomas ; Gottwald, M. The report decribes mionitoring and conservation work on crucian carp in 2022. Detailed record
	Preparation of the project within the framework of the joint project 'Mapping the occurrence of the critically endangered common bream in the South Bohemian Region and preparation of a regional action plan for its conservation'. Šmejkal, Marek The report decribes mionitoring and conservation work on crucian carp in 2022 in South Bohemia region. Detailed record
	The structure of zooplankton in diet of common bream (Abramis brama) during biomanipulation Zapletal, T. ; Špaček, J. ; Jurajda, Pavel ; Všetičková, Lucie The structure of zooplankton in diet of common bream (Abramis brama) was analysed in the Hamry water supply reservoir during the period 2011-2014. Fish were captured by gill netting, beach seining and electrofishing in the littoral part of reservoir. Minimum twenty specimens of each size group were taken for analysis on each sampling occasion. Zooplankton in the diet of adult bream SL 210-315 mm and subadult SL 124-186 mm made recedent proportion. Juvenile bream (0+) SL 18-51 mm consumed zooplankton only. Daphnia galeata was dominant there. We found that decrease of cladoceran communities in the water supply reservoir might to cohere (related) with this specific feeding activity of bream's fry and the feeding competition of bream's and perch's fry in it's habitats. Detailed record

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