The natural diet of bleak (Alburnus alburnus Linnaeus 1758)

Danilović, Maja (2010) The natural diet of bleak (Alburnus alburnus Linnaeus 1758). Diploma thesis, Faculty of Science > Department of Biology.

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The natural diet of bleak (Alburnus alburnus Linnaeus 1758.), was investigated on 171 individuals. The specimens were collected in the Drava, Dunav and Sava River at 9 investigated sites. The aim of this research was to investigate the natural diet of bleak in Croatia in order to understand better the ecology of the species. In general, bleak belongs to the zoophagous and phytophagous group. In the digestive tract thirteen groups of macroinvertebrates were found: Nematoda, Annelida, Isopoda, Amphipoda, Aranea, Ephemeroptera, Odonata, Homoptera, Thysanoptera, Trichoptera, Coleoptera, Diptera i Hymenoptera. Based on the analyses of the macrozoobenthos collected in the investigated rivers, it is evident that natural diet of bleak depends on quantity of available food. Parasites were found in 12 digestive tract. Fourteen stomachs were empty and all of them were found in the Sava River.

Item Type: Thesis (Diploma thesis)
Keywords: bleak, Alburnus alburnus, natural diet, macrozoobenthos
Supervisor: Mihaljević, Zlatko
Date: 2010
Number of Pages: 55
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 05 Sep 2014 11:18
Last Modified: 05 Sep 2014 11:18

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