Effect of food availability on waterfowl abundance in conditions of South-Bohemian fishponds (Czech Republic)

Musil, Petr and Cepák, Jaroslav and Pichlová, Radka and Veselý, Petr (1997) Effect of food availability on waterfowl abundance in conditions of South-Bohemian fishponds (Czech Republic). MAGYAR VÍZIVAD KÖZLEMÉNYEK, 3. pp. 293-294. ISSN 1416-1389 (nyomtatott); 1419-6107 (elektronikus)

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Abstract

A remarkable decrease m breeding population size was recorded in many waterfowl groups (esp. in ducks) in most of the fishpond regions in the Czech Republic This phenomenon has been the main stimuis for the initiation of many investigations of waterfowl ecology. The assessment of factors affecting habitat preference of particular waterfowl species seems to be very imponant for understanding the population dynamics of respective species We studied habitat preferences of waterfowl species on 74 fishponds in Trebon Basin (South Bohemia, Czech Republic) in 1992-1994 Our study was aimed to: - comparison og habitat preference of adult and young waterfowl - investigation of changes in habitat preference of adult waterfowl during breeding season - studying of sexual variation in habitat preference - circadial investigation of feeding behaviour of particular duck species.

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