Biology of the Nose-horned Viper Vipera ammodytes (Linnaeus, 1758) in the Bizek quarry

Zadravec, Mladen (2014) Biology of the Nose-horned Viper Vipera ammodytes (Linnaeus, 1758) in the Bizek quarry. Diploma thesis, Faculty of Science > Department of Biology.

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Abstract

The Nose-horned viper, Vipera ammodytes (Linnaeus, 1758) is the third largest venomous snake in Europe. The research of the Bizek quarry population was carried out from 2008 to 2014, to gain an insight into the biology of the species. The objectives were: to determine whether there is sexual size dimorphism, to identify habitat and expositional preferences, activity periods, to analyse the diet, to estimate the size of the population and point out the consequences of certain human activities within the study area. A total of 140 individual snakes were analysed. The existence of sexual size dimorphism has been confirmed. Both sexes have very similar habitat and weather condition preferences, apart from humidity. There are intersexual differences in seasonal, but not in daily activity. No intersexual differences in diet were found. Adult males have the largest home ranges. The cleaning of the quarry, if conducted inappropriately and in the wrong time period, has a perceptible negative impact on the viper population.

Item Type: Thesis (Diploma thesis)
Keywords: sexual size dimorphism (SSD), weather conditions, home range, habitat destruction, diet, habitat preferences
Supervisor: Tadić, Zoran
Date: 2014
Number of Pages: 42
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 13 May 2015 09:43
Last Modified: 13 May 2015 09:43
URI: http://digre.pmf.unizg.hr/id/eprint/3971

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