The natural diet of southern barbel (Barbus balcanicus Kotlik, Tsigenopoulos, Rab i Berrebi, 2002)

Miloš, Martina (2009) The natural diet of southern barbel (Barbus balcanicus Kotlik, Tsigenopoulos, Rab i Berrebi, 2002). Diploma thesis, Faculty of Science > Department of Biology.

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Abstract

The natural diet of southern barbel (Barbus balcanicus Kotlik, Tsigenopoulos, Rab i Berrebi, 2002), was investigated on 148 individuals. The specimens were collected in the Ilova River (at five watercourses), at five watercourses within the Nature Park Papuk, at two watercourses within the Krapina River and in the Petrinjčica River. The aim of this research was to investigate the natural diet of southern barbel in Croatia in order to understand better the ecology of the species. In general, southern barbel belongs to the zoophagous group with some portion of plant component in the diet (plant material was present in only 15 digestive tract). Southern barbel in his diet prefers benthic macroinvertebrates. In the digestive tract ten groups of benthic macroinvertebrates were found: Turbellaria, Nematoda, Oligochaeta, Amphipoda, Ephemeroptera, Plecoptera, Odonata, Coleoptera, Trichoptera and Diptera. Based on the analyses of the macrozoobenthos collected in the investigated rivers, it is evident that natural diet of southern barbel depends on habitat type, species and quantity of available food. Parasites were found in 52 digestive tract. Seventeen stomachs were empty and all of them were found in the Ilova River.

Item Type: Thesis (Diploma thesis)
Keywords: southern barbel, Barbus balcanicus, natural diet, macrozoobenthos
Supervisor: Mihaljević, Zlatko
Date: 2009
Number of Pages: 57
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 11 Sep 2014 12:23
Last Modified: 17 Sep 2014 13:06
URI: http://digre.pmf.unizg.hr/id/eprint/2725

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