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Barbara Vlaičević STRUKTURA I RAZVOJ ZAJEDNICE

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Barbara Vlaičević STRUKTURA I RAZVOJ ZAJEDNICE SVEUČILIŠTE JOSIPA JURJA STROSSMAYERA U OSIJEKU INSTITUT RUĐER BOŠKOVIĆ, ZAGREB Poslijediplomski interdisciplinarni sveučilišni studij Zaštita prirode i okoliša Barbara Vlaičević STRUKTURA I RAZVOJ ZAJEDNICE TREPETLJIKAŠA U PERIFITONU JEZERA POPLAVNOG PODRUČJA Doktorska disertacija OSIJEK, 2017. TEMELJNA DOKUMENTACIJSKA KARTICA Sveučilište Josipa Jurja Strossmayera u Osijeku Doktorska disertacija Institut Ruđer Bošković, Zagreb Poslijediplomski interdisciplinarni sveučilišni studij Zaštita prirode i okoliša Znanstveno područje: Prirodne znanosti Znanstveno polje: Biologija STRUKTURA I RAZVOJ ZAJEDNICE TREPETLJIKAŠA U PERIFITONU JEZERA POPLAVNOG PODRUČJA Barbara Vlaičević Doktorska disertacija je izrađena na Odjelu za biologiju Sveučilišta Josipa Jurja Strossmayera u Osijeku Mentor: prof. dr. sc. Jasna Vidaković, Odjel za biologiju Sveučilišta Josipa Jurja Strossmayera u Osijeku Komentor: prof. dr. sc. Biserka Primc, Prirodoslovno-matematički fakultet Sveučilišta u Zagrebu Sažetak doktorske disertacije: Istraživanje procesa naseljavanja trepetljikaša na umjetne staklene podloge te sukcesivnih promjena unutar zajednice trepetljikaša u perifitonu provedeno je u Sakadaškom jezeru (poplavno područje Dunava) tijekom 2010. godine kroz dvije eksperimentalne serije, od proljeća do zime te od ljeta do zime. Eksperimentalno razdoblje obilježile su faze plavljenja različitog intenziteta i duljine trajanja. Poplave su izravno utjecale na ekološke uvjete u jezeru, a time i na strukturu i dinamiku razvoja zajednice trepetljikaša. Razvoj perifitona i naseljavanje trepetljikaša odvijali su se brže u ljeto u odnosu na proljeće te je u ljeto ranije postignuta stabilna zajednica trepetljikaša. U obje eksperimentalne serije u perifitonu su dominirali sjedilački trepetljikaši iz skupine Peritrichia. Trofička struktura zajednice trepetljikaša mijenjala se s vremenom ekspozicije podloga. U perifitonu su najzastupljeniji bili bakteriovorni i bakteriovorno-algivorni procjeđivači. Struktura i razvoj zajednice najviše su ovisili o fizikalno-kemijskim svojstvima vode jezera, koncentraciji klorofila u perifitonu i okolnoj vodi te o biomasi perifitona. Broj stranica: 166 Broj slika: 53 Broj tablica: 15 Broj priloga: 5 Broj literaturnih navoda: 196 Jezik izvornika: hrvatski Ključne riječi: obraštaj, trepetljikaši, umjetna podloga, dinamika razvoja, trofička struktura, plavljenje Datum obrane: 15.05.2017. Povjerenstvo za obranu: 1. Doc. dr. sc. Dubravka Čerba, Odjel za biologiju Sveučilišta Josipa Jurja Strossmayera u Osijeku 2. Izv. prof. dr. sc. Renata Matoničkin Kepčija, Prirodoslovno-matematički fakultet Sveučilišta u Zagrebu 3. Doc. dr. sc. Marijana Erk, viši znanstveni suradnik, Institut Ruđer Bošković, Zagreb 4. Doc. dr. sc. Tanja Žuna Pfeiffer, Odjel za biologiju Sveučilišta Josipa Jurja Strossmayera u Osijeku (zamjena) Rad je pohranjen u: Nacionalnoj i sveučilišnoj knjižnici Zagreb, Ul. Hrvatske bratske zajednice 4, Zagreb; Gradskoj i sveučilišnoj knjižnici Osijek, Europska avenija 24, Osijek; Sveučilištu Josipa Jurja Strossmayera u Osijeku, Trg Sv. Trojstva 3, Osijek. BASIC DOCUMENTATION CARD Josip Juraj Strossmayer University of Osijek PhD thesis Ruđer Bošković Institute, Zagreb Postgraduate Interdisciplinary University Doctoral Study of Enviromental Protection and Nature Conservation Scientific Area: Natural sciences Scientific Field: Biology STRUCTURE AND DEVELOPMENT OF CILIATE COMMUNITY IN A FLOODPLAIN LAKE PERIPHYTON Barbara Vlaičević Thesis performed at Department of Biology, Josip Juraj Strossmayer University of Osijek Supervisor: Jasna Vidaković, PhD, Full Professor, Department of Biology, Josip Juraj Strossmayer University of Osijek Co-supervisor: Biserka Primc, PhD, Full Professor, Faculty of Science, University of Zagreb Summary: The colonization of artificial substrata (glass slides) by ciliates and successional changes in the periphytic ciliate community were studied in Lake Sakadaš (Danubian floodplain area) during 2010 in two experimental series, from spring until winter and from summer until winter. The research period was characterized by flooding events of different extent and duration. Floods directly affected the lake water properties and thus had an impact on the structure and growth dynamics of the ciliate community. Periphyton development and ciliate colonization were faster during the summer in comparison to the spring and stable ciliate community was also reached earlier during the summer. In both experimental series the sessile ciliate species of Peritrichia dominated in the periphytic community. The trophic structure of ciliate community changed over the exposure time. The bacterivorous and bacterivorous-algivorous filter feeders were dominant functional groups in periphyton. Structure and development of the ciliate community were mainly influenced by physico-chemical properties of water, concentration of chlorophyll in periphyton and water column, and periphyton biomass. Number of pages: 166 Number of figures: 53 Number of tables: 15 Number of appendices: 5 Number of references: 196 Original in: Croatian Keywords: periphytic ciliates, artificial substrate, growth dynamics, trophic structure, flood events Date of the thesis defense: May 15, 2017 Reviewers: 1. Dubravka Čerba, PhD, Assistant Professor, Department of Biology, Josip Juraj Strossmayer University of Osijek 2. Renata Matoničkin Kepčija, PhD, Associate Professor, Faculty of Science, University of Zagreb 3. Marijana Erk, PhD, Senior Research Associate, Ruđer Bošković Institute, Zagreb 4. Tanja Žuna Pfeiffer, PhD, Assistant Professor, Department of Biology, Josip Juraj Strossmayer University of Osijek (substitute) Thesis deposited in: National and University Library in Zagreb, Ul. Hrvatske bratske zajednice 4, Zagreb; City and University Library of Osijek, Europska avenija 24, Osijek; Josip Juraj Strossmayer University of Osijek, Trg Sv. Trojstva 3, Osijek. Tema rada prihvaćena je na 1. sjednici Sveučilišnog vijeća za poslijediplomske interdisciplinarne sveučilišne (doktorske) studije u akademskoj 2016./2017. godini održanoj 3. studenog 2016. godine. Ocjena doktorskog rada prihvaćena je na 7. sjednici Sveučilišnog vijeća za poslijediplomske interdisciplinarne sveučilišne (doktorske) studije u akademskoj 2016./2017. godini održanoj 4. svibnja 2017. godine. Iskreno i veliko hvala mojoj mentorici prof. dr. sc. Jasni Vidaković, prije svega što mi je pružila priliku i omogućila izradu ove doktorske disertacije. Zahvaljujem se na svom prenesenom znanju, savjetima, nesebičnoj pomoći i podršci pruženima tijekom izrade ovog doktorskog rada i u mom znanstvenom radu. Prof. dr. sc. Biserki Primc, mojoj komentorici, neizmjerno sam zahvalna na pomoći i sugestijama koje su doprinijele poboljšanju doktorske disertacije te na dobroj suradnji. Od srca se zahvaljujem mojoj kolegici i prijateljici doc. dr. sc. Dubravki Čerba na nesebičnoj pomoći, savjetima i podršci koje mi je pružila od samog početka naše suradnje. Veliko hvala izv. prof. dr. sc. Renati Matoničkin Kepčija na pomoći, korisnim savjetima te riječima podrške. Od srca hvala dragoj prijateljici i kolegici Ivani Turković Čakalić na podršci, velikoj pomoći pruženoj tijekom rada na terenu i u laboratoriju te lijepom druženju. Doc. dr. sc. Tanji Žuna Pfeiffer se iskreno zahvaljujem na pomoći pruženoj prilikom rada na terenu i u laboratoriju, kao i na korisnim savjetima. Zahvaljujem se i doc. dr. sc. Goranu Palijanu za pomoć pri terenskom uzorkovanju. Hvala svim kolegama sa Zavoda za ekologiju voda, kao i drugim kolegama s Odjela za biologiju na dobroj suradnji. Zahvaljujem se djelatnicima JUPP Kopački rit i Eko-laboratorija Vodovoda d.d. u Osijeku na dobroj suradnji. Hvala gđi Silvi Lustig, mag. iur., na pomoći vezanoj uz procedure prijave i obrane doktorske disertacije. Mojim dragim roditeljima beskrajno sam zahvalna na pruženoj ljubavi, podršci te nesebičnoj pomoći. Hvala što ste uvijek bili uz mene. Od srca hvala i mojim sekama Danijeli i Valentini na svoj ljubavi, riječima podrške te neizmjernoj pomoći, oduvijek. Mom suprugu Juliju hvala na neizmjernoj ljubavi, razumijevanju, strpljenju i podršci tijekom svih ovih godina. Hvala mojoj dragoj dječici, Dori i Franu, što mi neprestano pružaju radost i veselje u životu. Hvala što ste dio mog života… Hvala svim dragim prijateljima. SADRŽAJ 1. UVOD.....................................................................................................................................1 1.1. Ciljevi rada i hipoteze.....................................................................................................3 2. OPĆI DIO...............................................................................................................................5 2.1. Struktura i razvoj perifitona............................................................................................5 2.2. Utjecaj okolišnih čimbenika na razvoj perifitona...........................................................7 2.3. Uloga perifitona u slatkovodnim ekosustavima..............................................................8 2.4. Trepetljikaši [Eukaryota: Sar: Alveolata: Ciliophora]....................................................9 2.5. Ekološke karakteristike trepetljikaša perifitona............................................................12 2.5.1. Naseljavanje i razvoj zajednice trepetljikaša perifitona......................................15 2.5.2. Umjetne podloge u istraživanju trepetljikaša perifitona.....................................17 2.6. Perifiton poplavnih područja.........................................................................................17
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