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master's thesis
Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita
2021. urn:nbn:hr:226:361040
Roguljić, Krešimir
University of Split
University Department of Marine Studies

Cite this document

Roguljić, K. (2021). Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita (Master's thesis). Split: University of Split. Retrieved from https://urn.nsk.hr/urn:nbn:hr:226:361040

Roguljić, Krešimir. "Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita." Master's thesis, University of Split, 2021. https://urn.nsk.hr/urn:nbn:hr:226:361040

Roguljić, Krešimir. "Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita." Master's thesis, University of Split, 2021. https://urn.nsk.hr/urn:nbn:hr:226:361040

Roguljić, K. (2021). 'Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita', Master's thesis, University of Split, accessed 04 April 2025, https://urn.nsk.hr/urn:nbn:hr:226:361040

Roguljić K. Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita [Master's thesis]. Split: University of Split; 2021 [cited 2025 April 04] Available at: https://urn.nsk.hr/urn:nbn:hr:226:361040

K. Roguljić, "Određivanje starosti volka Hexaplex trunculus metodom očitavanja statolita", Master's thesis, University of Split, Split, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:226:361040

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Metadata
TitleOdređivanje starosti volka Hexaplex trunculus metodom očitavanja statolita
Title (english)Age determination of banded murex Hexaplex trunculus using statolith reading method
AuthorKrešimir Roguljić
MentorMirela Petrić (mentor)
Committee memberMirela Petrić (predsjednik povjerenstva)
Committee memberZvjezdana Popović Perković (član povjerenstva)
Committee memberSvjetlana Krstulović Šifner (član povjerenstva)
GranterUniversity of Split
(University Department of Marine Studies)
Split
Defense date and country2021-11-29, Croatia
Scientific / art field,
discipline and subdiscipline		BIOTECHNICAL SCIENCES
Biotechnology
Abstract
U diplomskom radu se koristila analiza mikrostrukture statolita za određivanje starosti kvrgavog volka Hexaplex trunculus (Linnaeus, 1758) (Gastropoda: Muricidae) na području istočnog srednjeg Jadrana. Statociste su vrećaste strukture i ključni organi za ravnotežu kod mekušaca, a unutar njih se nalaze tvrde vapnenaste strukture zvane statoliti koji su korisni za direktnu procjenu starosne strukture istraživane populacije. Tijekom istraživanja obrađena je 91 jedinka, raspona dužine kućice (SL)... More od 37,53 do 96,51 mm, mase tijela (BW) između 6,34 i 95,04 g te raspona promjera statolita (SD) od 0,23 mm do 0,39 mm. Procijenjena starost volaka je iznosila od 3 do 8 godina (N = 81). Dužinsko-maseni odnos je pokazao pozitivni alometrijski rast za mužjake (b = 3,1) te negativni alometrijski rast za ženke (b = 2,9). Između mužjaka i ženki nije utvrđena statistički značajna razlika u dužini kućice kao ni u masi tijela, dužini i širini zavoja kućice, kao ni kod ukupne dužine aperture, dužine aperture niti dužine sifonalnog kanala. Gore navedeno ukazuje da kod volka ne postoji sekundarni spolni dimorfizam. Rezultati rada mogu poslužiti za daljnja istraživanja starosne strukture jadranskog volka. Less
Abstract (english)
In this thesis the analysis of statolith microstructure was used to determine the age of the banded murex Hexaplex trunculus (Linnaeus, 1758) (Gastropoda: Muricidae) in the eastern central Adriatic. Statocysts are saccular structures, key organs for balance in mollusks, and within them are hard calcareous structures called statoliths that are useful for direct assessment of the age structure of the studied population. During this research 91 individuals were sampled, with shell length (SL)... More range from 37.53 to 96.51 mm, the body weight between 6.34 and 95.04 g and statolith diameter (SD) range from 0.23 mm to 0.39 mm. The estimated age of whelks ranged from 3 to 8 years (N = 81). The length-weight relationship showed positive allometric growth for males (b = 3.1), while negative allometric growth was recorded for females (b = 2.9). No statistically significant difference was found between males and females in the length of the shell, nor in body weight, spire length and width, nor in the total length of the aperture, the length of the aperture or the length of the siphonal canal. All of the above indicates that there is no secondary sexual dimorphism in the whelks. The results of this work can be used for further research into the age structure of the adriatic banded murex. Less
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:226:361040
Study programmeTitle: Marine Biology and Ecology
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra biologije i ekologije mora (magistar/magistra biologije i ekologije mora)
Type of resourceText
File originBorn digital
Access conditionsAccess restricted to students and staff of home institution
Terms of useLicence In copyright icon
Created on2023-02-23 18:05:17
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