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Data regarding the trophic spectrum of a population of Rana esculenta Complex from Bacau County

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Author(s): Daniel GHIURCA | Lacramioara ZAHARIA

Journal: Analele Universitatii din Oradea, Fascicula Biologie
ISSN 1224-5119

Volume: TOM XIII;
Start page: 29;
Date: 2006;
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Keywords: trophic spectrum | prey taxa | Rana esculenta complex

ABSTRACT
We analyzed the trophic spectrum of one population of Rana esculenta complex collected, placed close to the lake accumulation Bac─âu II. The most abundant prey taxons in the food of edible frog are species from Coleoptera order, followed by Hymenoptera and Diptera among insects and Aranee among spiders. We identified a great number of gregarious small species (Formicidae) showing an opportunistic predator behavior of this frogs, using the sit and wait foraging behavior. The terrestrial preys prevail in comparison with aquatic organisms.
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