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The study concerning waterfowl of two neighbouring fishponds complexes – in Bestwina and Komorowice villages near Czechowice-Dziedzice – was carried on in the years 1995–1999. The ponds are situated in the western part of the Upper Wistula Valley that is a waterfowl refuge of European importance (Heath, Evans 2000). There are over 60 small reservoirs in Bestwina, with total surface 80 ha. In Komorowice...
The fishpond complex of Ligota is located in the western section of the upper Vistula River valley (Bielsko-Biała district). The complex comprises about 20 fish-ponds whose joint water surface amounts to 160 ha. They are characterised by a poor emergent water vegetation (maimy the Common Reed Phragmites australis and Catttail Typha sp.). The whole study area occupies ca 280 ha (fig. 1). The area was...
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