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master's thesis
FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT
2014. urn:nbn:hr:181:602222
Dujmović, Helena
Josip Juraj Strossmayer University of Osijek
Department of biology

Cite this document

Dujmović, H. (2014). FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT (Master's thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Department of biology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:181:602222

Dujmović, Helena. "FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, 2014. https://urn.nsk.hr/urn:nbn:hr:181:602222

Dujmović, Helena. "FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, 2014. https://urn.nsk.hr/urn:nbn:hr:181:602222

Dujmović, H. (2014). 'FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT', Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, accessed 26 November 2024, https://urn.nsk.hr/urn:nbn:hr:181:602222

Dujmović H. FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT [Master's thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of biology; 2014 [cited 2024 November 26] Available at: https://urn.nsk.hr/urn:nbn:hr:181:602222

H. Dujmović, "FITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT", Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, Osijek, 2014. Available at: https://urn.nsk.hr/urn:nbn:hr:181:602222

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Metadata
TitleFITOPLANKTON KAO POKAZATELJ EKOLOŠKOG STANJA RIJEKE BOSUT
Title (english)PHYTOPLANKTON AS INDICATOR OF ECOLOGICAL STATUS OF THE RIVER BOSUT
AuthorHelena Dujmović
MentorMelita Mihaljević (mentor)
Committee memberJanja Horvatić (predsjednik povjerenstva)
Committee memberMelita Mihaljević (član povjerenstva)
Committee memberFilip Stević (član povjerenstva)
GranterJosip Juraj Strossmayer University of Osijek
Department of biology
Osijek
Defense date and country2014-07-01, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Biology
Abstract
Istraživanje razvoja fitoplanktonskih zajednica u rijeci Bosut provedeno je u razdoblju od veljače do srpnja 2013. godine na dva lokaliteta koji su smješteni prije i poslije grada Vinkovaca. Praćeni su utjecaji promjena fizikalno-kemijskih čimbenika na kvantitativni sastav fitoplanktona. Visoke koncentracije nitrata i ukupnog dušika u vodi bile su u vrijeme nižih vodostaja, dok je povišenjem vodostaja došlo do velikog porasta koncentracija ortofosfata i ukupnog fosfora. U strukturi fitoplanktonskih zajednica najbrojnije su bile zelene alge (funkcionalnih skupina J, X1 i X2) i dijatomeje reda Centrales i Pennales (funkcionalnih skupina D, P i TB), dok su cijanobakterije bile povremeno dobro zastupljene. Takav sastav fitoplanktonskih zajednica karakterističan je za sporotekuće dionice nizinskih rijeka. Međutim, pojava masovnog razvoja miksotrofne vrste Ochromonas sp., u svibnju i lipnju, posljedica je izuzetno velikog opterećenja vode suspendiranim tvarima što ukazuje na zagađenje vodotoka. Na temelju svih dobivenih rezultata procijenjeno je umjereno ekološko stanje rijeke Bosut. Kontinuirani monitoring bioloških pokazatelja ekološkog stanja preduvjet je za definiranje mjera zaštite i revitalizacije rijeke Bosut.
Abstract (english)
Research of phytoplankton communities development in the river Bosut was conducted in the period from February 2013 to July 2013 on two locations that are set upstream and downstream from the town of Vinkovci. Influences of temporal changes in physico-chemical parameters on quantitative phytoplankton composition were investigated. High concentrations of nitrates and total nitrogen in the water were determined during the low water levels, and the water level elevation was followed by high concentrations of orthophosphates and total amount of phosphorus. In the phytoplankton community structure green algae (from functional groups J, X1 and X2) and centric and pennate diatoms (functional groups D, P and TB) were the most abundant, while cyanobacteria were being occasionally represented. The phytoplankton communities composition is typical for slow-flowing reaches of lowland rivers. However, high growth rates of mixotrophic species such as Ochromonas sp. in May and June are the result of high levels of suspended materials in water that indicate the pollution of the body of water. Based on the given results, the moderate ecological status of the river Bosut was evaluated. Continuous monitoring of the biological indicators of the ecological status is essential for defining protective measures and the revitalization of the river Bosut.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:181:602222
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
Terms of useLicence In copyright icon
Created on2017-01-19 13:06:41