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izvor podataka: crosbi

Food and nutritive value of gut contents of rudd (Scardinius erythrophtalmus L.) from Lake Vrana, Cres Island, Croatia (CROSBI ID 102048)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Tomec, Marija ; Teskeredžić, Zlatica ; Teskeredžić, Emin Food and nutritive value of gut contents of rudd (Scardinius erythrophtalmus L.) from Lake Vrana, Cres Island, Croatia // Czech journal of animal science, 48 (2003), 1; 28-34-x

Podaci o odgovornosti

Tomec, Marija ; Teskeredžić, Zlatica ; Teskeredžić, Emin

engleski

Food and nutritive value of gut contents of rudd (Scardinius erythrophtalmus L.) from Lake Vrana, Cres Island, Croatia

Gut contents rudd, Scardinius erythrophtalmus L. (age-group +3), which represents the dominant fish species in the oligotrophic karstic Vrana Lake, Cres Island, Croatia, were examined. Benthic micro- and macroalgae (Cyanobacteria, Dinophyceae, Bacillariophyceae, Chlorophyceae, Xanthophyceae) constituted the major food items of the species while macrophytes (mostly Potamogeton), zooplankton (Cladocera and Copepoda) and detritus were also recorded. Over the period of study, the diatomic Bacillariophyceae were observed in all samples, contributing up to 79% of dietary intake during February. Increased variation in gut contents, associated with elevated gut lipid and protein presence, was observed in May and June. During this period, total energetic or nutritive values were increased when compared to other months.

oligotrophic lake; herbivory; cyprinid fish; food; biochemical composition

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Podaci o izdanju

48 (1)

2003.

28-34-x

objavljeno

1212-1819

Povezanost rada

Poljoprivreda (agronomija)

Indeksiranost