Usporedba mješovitih sastojina hrasta kitnjaka i običnog graba kao staništa jelenka Lucanus cervus (Linné, 1758) u Maksimiru i na Medvednici

master's thesis

• Title (english): Comparison of mixed stands of sessile oak and common hornbeam as stag beetle Lucanus cervus (Linnaeus, 1758) habitat in Maksimir and on Medvednica
• Author: Ivana Rojko
• Mentor: Sven Jelaska (mentor)
• Mentor: Lucija Šerić Jelaska (pomoć pri izradi, neposredni voditelj)
• Committee member: Ines Radanović (član povjerenstva)
• Committee member: Ivančica Ternjej (član povjerenstva)
• Granter: University of Zagreb; Faculty of Science; (Department of Biology); Zagreb
• Defense date and country: 2014, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Biology

Abstract

Asocijacija Epimedio-Carpinetum betuli /Ht.1938/Borh 1963 raste na brežuljkastom području sjeverne Hrvatske na nadmorskoj visini između 150 i 400 m. Mješovite sastojine hrasta kitnjaka i običnog graba, kao i vrsta Lucanus cervus (Linné, 1758) pripadaju ekološkoj mreži NATURA 2000 za očuvanje ugroženih vrsta i stanišnih tipova Europske unije. Jelenak je saproksilna vrsta koja je u svom životnom ciklusu ovisna o mrtvom drvu koji je dio prirodnog šumskog staništa, a nedostaje u šumama pod intenzivnim gospodarenjem. Cilj nam je bio utvrditi kvalitetu zajednice hrasta kitnjaka i običnog graba u gradskom parku Maksimir i na području Parka prirode Medvednica, kao staništa jelenka i odrediti najbolju metodu za utvrđivanje brojnosti jelenka, a time i procjenu stanja najvažnijih šumskih staništa u gradu Zagrebu. Pri opažanju jelenka koristili smo tri metode: metodu opažanja na transektu, metodu lovnih zamki s atraktantom i metodu noćnog pregleda debala. Metodom opažanja na transektu opazili smo najveći broj jedinki (90,1% od ukupnog broja zabilježenih jedinki). Usporedimo li staništa, sastojine hrasta na Medvednici stvaraju bolje uvjete za populaciju jelenka, te smo na tim lokalitetima zabilježili 185 jedinki od ukupno zabilježenih 313.

Abstract (english)

Association Epimedio Carpinetum betuli /Ht.1938/Borh 1963 grows in the colline belt of the Northern Croatia, at an elevation between 150 and 400 m. Mixed stands of sessile oak and common hornbeam, as well as the species Lucanus cervus (Linnaeus, 1758) belong to the NATURA 2000 ecological network for the conservation of endangered species and habitats of the European Union. Stag beetle is a saproxylic species which in its life cycle is dependent on dead wood materials that are part of the natural forest habitat, which are missing in the forests of intensive management. Our aim was to compare different stag beetle habitats and determine the best method for estimating the occurence of stag beetle, and thus assessment of forests as suitable habitats. We used three methods: transect method, traps with attractant and night examination of tree trunks. We have collected the largest number of individuals (90.1% of the total number of registered individuals) with transect method. If we compare the habitats, Medvednica provides better conditions for the stag beetle population. On these sites we recorded 185 individuals from 313 total recorded individuals.

• Keywords: bioraznolikost; šumska staništa; NATURA 2000; saproksilne vrste; kornjaši; fragmentacija staništa
• Keywords (english): biodiversity; forest habitats; Natura 2000; saproxylic species; beetles; habitat fragmentation
• Language: croatian
• URN:NBN: urn:nbn:hr:217:591786
• Study programme: Title: Biology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra edukacije biologije (magistar/magistra edukacije biologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2018-04-26 11:54:00