Properties of bat echolocation signals in Zagreb and surrounding area

Vujec, Tena (2014) Properties of bat echolocation signals in Zagreb and surrounding area. Diploma thesis, Faculty of Science > Department of Biology.

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Research of echolocation signals is important for better knowledge of the biology and conservation of bats. The fieldwork was carried out during the spring and summer (June-August) 2012. Echolocation signals were recorded by bat detector using a transect sampling method in Zagreb. The first transect is area around lake Jarun (semi natural habitat) and second is the downtown area (urbanized part of the city). Coordinates were noted, using GPS mobile application, where echolocation signals were recorded. There was total of 3821 echolocation signals of the 11 species of bats. The parameters of the signals were analyzed (signal duration, start frequency, current frequency at the half of duration signal, current frequency at the maximum amplitude of the signal and end frequency) of all species of bats. The aim of this study was to determine differences of echolocation signal types depending on the period of exploration and depending on the type of habitat. Each bat adapts their signals depending on the environment and the situation.

Item Type: Thesis (Diploma thesis)
Keywords: frequencies of the echolocation signals, city; transect sampling method, semi-natural habitat, seasonal variations, echolocation signals duration
Supervisor: Mustafić, Perica
Date: 2014
Number of Pages: 97
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Grozdana Sirotic
Date Deposited: 19 Mar 2014 09:30
Last Modified: 19 Mar 2014 09:30

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