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master's thesis
DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida
2014. urn:nbn:hr:181:293376
Eberhard, Mirta
Josip Juraj Strossmayer University of Osijek
Department of biology

Cite this document

Eberhard, M. (2014). DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida (Master's thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Department of biology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:181:293376

Eberhard, Mirta. "DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, 2014. https://urn.nsk.hr/urn:nbn:hr:181:293376

Eberhard, Mirta. "DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, 2014. https://urn.nsk.hr/urn:nbn:hr:181:293376

Eberhard, M. (2014). 'DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida', Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, accessed 18 November 2024, https://urn.nsk.hr/urn:nbn:hr:181:293376

Eberhard M. DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida [Master's thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of biology; 2014 [cited 2024 November 18] Available at: https://urn.nsk.hr/urn:nbn:hr:181:293376

M. Eberhard, "DINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida", Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, Osijek, 2014. Available at: https://urn.nsk.hr/urn:nbn:hr:181:293376

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TitleDINAMIKA KOPIOTROFNIH I OLIGOTROFNIH BAKTERIJA U TLU U OVISNOSTI O GUJAVICAMA VRSTE Eisenia fetida
Title (english)DYNAMICS OF OLIGOTROPHIC AND COPIOTROPHIC BACTERIA IN RELATION TO EARTHWORM SPECIES (Eisenia fetida)
AuthorMirta Eberhard
MentorGoran Palijan (mentor)
Committee memberGoran Palijan (predsjednik povjerenstva)
Committee memberDavorka Hackenberger Kutuzović (član povjerenstva)
Committee memberLjiljana Krstin (član povjerenstva)
GranterJosip Juraj Strossmayer University of Osijek
Department of biology
Osijek
Defense date and country2014-10-31, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Biology
Abstract
Provedeno je mikrokozmičko istraživanje utjecaja gujavica vrste Eisenia fetida na brojnost kopiotrofnih i oligotrofnihbakterija u tlu tijekom razdoblja od šest mjeseci. Gujavice su važan element makrofaune tla koji svojim djelovanjem poboljšava svojstva tla, te povećava brojnost i aktivnost bakterija. Koristeći koncept oligotrofije-kopiotrofije nastojao sepovezati, gujavicama potaknut, efekt transformacije organske tvari u raspoloživi oblik s porastom broja bakterija, odnosnopromjenom omjera kopiotrofnih i oligotrofnih bakterija. Formirano je četiri vrste mikrokozmosa (tretmana): sterilizirano tlo s gujavicama, sterilizirano tlo bez gujavica, nesterilizirano tlo s gujavicama i nesterilizirano tlo bez gujavica. Analize su vršene svakih 28 dana, a obuhvatile su mjerenja fizikalno-kemijskih parametara tla i broja bakterija iz tla i probavila gujavica. Zabilježen je značajan pozitivan utjecaj gujavica na broj kopiotrofnih bakterija, te negativan utjecaj na broj oligotrofnih bakterija. U steriliziranom tlu njihov utjecaj je bio isti i na kopiotrofne i na oligotrofne bakterije. Kod te vrste tretmana gujavice su dovele do ranije uspostave zajednice kopiotrofnih, ali i oligotrofnih bakterija, u odnosu na kontrolna tla.Omjer kopiotrofnih i oligotrofnih bakterija je u svim tretmanima ukazivao na dominaciju oligotrofa. Nisu zabilježene značajnije oscilacije omjera osim u nesteriliziranom tlu s gujavicama, gdje su kopiotrofi krajem istraživanja nakratko preuzeli dominaciju.
Abstract (english)
A microcosm study was used to assess the earthworm Eisenia fetida influence on soil copiotrophic and oligotrophic bacteria during the six month period. Earthworms as an important part of soil macrofauna can improve soil properties and increasebacterial abundance and activity. The goal was to link earthworm mediated transformation of soil organic mater within creased bacterial growth by applying oligotrophy-copiotrophy concept. Four types of microcosm (treatmans) were formed:sterilized soil with earthworms, sterilized soil without earthworms, non-sterilized soil with earthworms, and non-sterilized soil without earthworms. Analysis of soil physical-chemical properties and bacterial number from soil and earthworm gut were conducted every 28 days. In non-sterilized treatment, earthworms yielded positive effect on number of copiotrophic bacteria, and negative on number of oligotrophic bacteria. Presence of earthworms caused earlier establishment of bothcopiotrophic and oligotrophic bacterial communities in sterilized soil. The ratio of copiotrophic to oligotrophic bacteria indicated dominance of oligotrophic bacteria in all treatments. There were no significant oscillations in the ratio, except in non-sterilized soil with earthworms where copiotrophs were briefly dominant towards the end of the experiment.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:181:293376
Study programmeTitle: Master of Science Graduate University Study Programme in Biology; specializations in: Master of Biology
Course: Master of Biology
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra biologije (magistar/magistra biologije)
Type of resourceText
File originBorn digital
Access conditionsClosed access
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Created on2017-01-23 08:43:04