Fenološke i ekološke značajke vrste Ibisia marginata (Insecta, Diptera) u Nacionalnom parku Plitvička jezera

master's thesis

• Title (english): Phenology and ecology of species Ibisia marginata (Insecta, Diptera) in the Plitvice Lakes National Park
• Author: Jelena Fajdetić
• Mentor: Marija Ivković (mentor)
• Committee member: Marija Ivković (predsjednik povjerenstva)
• Committee member: Ivančica Ternjej (član povjerenstva)
• Committee member: Tvrtko Dražina (član povjerenstva)
• Committee member: Jasna Lajtner (član povjerenstva)
• Granter: University of Zagreb; Faculty of Science; (Department of Biology); Zagreb
• Defense date and country: 2023-07-06, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Biology

Abstract

Vrsta Ibisia marginata (Diptera, Athericidae), čini važnu, ali nedovoljno istraženu komponentu
slatkovodnih ekosustava. Životni ciklus sastoji se od jaja, ličinke, kukuljice i imaga. Ličinke žive
u vodi, a odrasli na kopnenim staništima. Emergencija ove vrste do sada nije istraživana u
Hrvatskoj. U razdoblju od 2007. do 2022. godine na dvije lokacije, Barijera Labudovac i Barijera
Kozjak-Milanovac te od 2007. do 2008. godine na još dodatne tri lokacije, Barijera Novakovića
Brod, Potok Plitvica i Korana u selu, unutar područja Plitvičkih jezera, prikupljene su mjesečno
odrasle jedinke pomoću emergencijskih klopki. Klopke su postavljene na različitim tipovima
mikrostaništa. Ciljevi istraživanja bili su utvrditi fenologiju i ekologiju vrste I. marginata, odnos
spolova, ovisnost vrste o određenim fizikalno-kemijskim čimbenicima i sklonost prema određenim
mikrostaništima. Sveukupno je sakupljeno 373 jedinki vrste I. marginata. Najveću brojnost vrsta
je imala na Barijeri Novakovića Brod 2007. godine, a preferirani supstrat su joj mahovina i šljunak.
Emergencija se odvija ljeti tijekom lipnja, srpnja i kolovoza, s maksimumom emergencije u srpnju.
Značajna korelacija vrste I. marginata dokazana je s temperaturom vode, količinom otopljenog
kisika u vodi te s KPK (Kemijskom potrošnjom kisika) što može poslužiti kao temelj budućim
istraživanjima.

Abstract (english)

The Ibisia marginata, belonging to Dipteran family Athericidae, is an important but understudied
component of freshwater ecosystems. The life cycle consists of egg, larva, pupa and imago. Larvae
live in water, and adults live on land. Emergence of this species has not been investigated in Croatia
so far. In the period from 2007 to 2022 at two sites, tufa barrier Labudovac and tufa barrier KozjakMilanovac, and from 2007 to 2008 at three additional sites, tufa barrier Novakovića Brod, Stream
Plitvica and Korana in the village, within the area of Plitvice Lakes, adults were collected monthly
using emergence traps. Traps were placed on different types of microhabitats. The objectives of
the research were to determine the phenology and ecology of I. marginata, the relationship between
the sexes, the dependence of the species on certain physico-chemical factors and the preference for
certain microhabitats. A total of 373 individuals of I. marginata were collected. It had the highest
number of specimens at the tufa barrier Novakovića Brod in 2007, and its preferred substrate is
moss and gravel. Emergence takes place in summer during June, July and August, with the peak
of emergence in July. A significant correlation of I. marginata has been proven with water
temperature, the amount of dissolved oxygen in the water, and with COD (Chemical Oxygen
Demand), which can serve as a basis for future research.

• Keywords: Athericidae; emergencija; mikrostaništa; temperatura vode; višegodišnje istraživanje
• Keywords (english): Athericidae; emergence; microhabitat; water temperature; perennial research
• Language: croatian
• URN:NBN: urn:nbn:hr:217:962130
• Study programme: Title: Ecology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra ekologije i zaštite prirode (magistar/magistra ekologije i zaštite prirode)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Embargoed access; Embargo expiration date: 2025-07-06
• Created on: 2023-09-06 09:41:00