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Article: Cyanobacteria and algae from biofilm at the entrance zone of Petnica Cave

Popović Slađana S. / Petrović Kristina M. / Trnavac-Bogdanović Dušica S. / Milošević Dragana L. / Graovac Ana D. / Trbojević Ivana S. / Subakov-Simić Gordana V.

Zbornik Matice srpske za prirodne nauke. 2021, v. 2021, no. 140

2021

Abstract: The importance of biofilms in caves, the diversity of microorganisms in them, their mutual relationship and relationship with the substratum are among the advancing research topics in microbial biospeleology. This research is making contribution to the ... ...

Abstract	The importance of biofilms in caves, the diversity of microorganisms in them, their mutual relationship and relationship with the substratum are among the advancing research topics in microbial biospeleology. This research is making contribution to the knowledge about biofilms at cave entrances and phototrophic communities in them. In that manner, biofilms from the entrance zone of the Petnica Cave were examined. Light microscopy showed that cyanobacteria were exclusively dominant phototrophs (34 taxa out of 39 total taxa recorded) with coccoid forms prevailing (28 taxa); simple trichal forms were present to a lesser extent, while heterocytous ones were completely absent. Genera Gloeocapsa, Chroococcus,Gloeothece and Leptolyngbya were the most diverse. Four green algal genera characteristic for aerophytic habitats (Apatococcus, Desmococcus, Haematococcus and Trentepohlia) were also recorded, while Bacillariophytawere observed sporadically. Three groups of sampling sites were distinguished based on recorded taxa, their richness and similarity, using non-metric multidimensional scaling (NMDS). Quantitative biofilm characteristics were also assessed - the content of chlorophyll a (Chl a) was determined, as well as the contents of water, organic and inorganic matter. Chl a had a significant positive correlation with the content of organic matter (r=0.904, P=0.013).
Keywords	Desmococcus ; Gloeocapsa ; Haematococcus ; Leptolyngbya ; Trentepohlia ; algae ; autotrophs ; biofilm ; chlorophyll ; inorganic matter ; light microscopy ; organic matter
Language	English
Size	p. 71-84.
Publishing place	Matica srpska
Document type	Article
ZDB-ID	2603457-8
ISSN	2406-0828 ; 0352-4906
ISSN (online)	2406-0828
ISSN	0352-4906
DOI	10.2298/ZMSPN2140071P
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Seasonal dynamics of epilithic diatom community from the Vrla River (Southeastern Serbia)

Jakovljević Olga S. / Popović Slađana S. / Živić Ivana M. / Stojanović Katarina Z. / Krizmanić Jelena Ž.

Kragujevac Journal of Science, Vol 2021, Iss 43, Pp 109-

2021 Volume 122

Abstract: Seasonal analysis of epilithic diatom community from the Vrla River was performed in four seasons a year (six times) at six sampling sites. Between the second (VR2) and the third sampling site (VR3) was located a trout fish farm. The highest number of ... ...

Abstract	Seasonal analysis of epilithic diatom community from the Vrla River was performed in four seasons a year (six times) at six sampling sites. Between the second (VR2) and the third sampling site (VR3) was located a trout fish farm. The highest number of diatom taxa was recorded in spring (149) and the lowest in autumn (93). The number of taxa that were found to be dominant during all four seasons was twenty-four. The relationship between 45 the best-fitted diatom taxa, which showed conspicuous seasonal dynamics, and seasons in which these taxa were recorded was illustrated using canonical correspondence analysis (CCA). The large number of taxa was identified in all four seasons or in winter period only. Few taxa were present only in spring and summer.
Keywords	seasonal dynamics ; epilithic diatom community ; vrla river ; Science ; Q
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	University of Kragujevac, Faculty of Science
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Temporal dynamics of diatoms in the Mlava River

Jakovljević Olga S. / Popović Slađana S. / Živić Ivana M. / Stojanović Katarina Z. / Krizmanić Jelena Ž.

Zbornik Matice Srpske za Prirodne Nauke, Vol 2021, Iss 141, Pp 9-

2021 Volume 20

Abstract: Temporal analysis of epilithic diatom community was studied within four seasons per year at five sampling sites in the Mlava River. A trout fish farm was built in the upper part of the river (between the first (ML1) and the second sampling site (ML2)). ... ...

Abstract	Temporal analysis of epilithic diatom community was studied within four seasons per year at five sampling sites in the Mlava River. A trout fish farm was built in the upper part of the river (between the first (ML1) and the second sampling site (ML2)). The highest diversity was noticed in spring (159 diatom taxa), while the lowest in the period of autumn (89). A total number of taxa that were dominant (relative abundance greater than 5% at least at one sampling site) during four seasons was 13. Conspicuous temporal dynamics was shown using canonical correspondence analysis (CCA). Large number of taxa was identified in more than two seasons; some were, however, specific to only one season. Many of them were found only in the winter, while a slightly smaller number of taxa were characteristic only for spring or summer.
Keywords	diatom community ; trout fish farm ; diversity ; Science (General) ; Q1-390
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Matica srpska
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Temporal dynamics of diatoms in the Mlava River

Jakovljević Olga S. / Popović Slađana S. / Živić Ivana M. / Stojanović Katarina Z. / Krizmanić Jelena Ž

Zbornik Matice srpske za prirodne nauke. 2021, v. 2021, no. 141

2021

Abstract	Temporal analysis of epilithic diatom community was studied within four seasons per year at five sampling sites in the Mlava River. A trout fish farm was built in the upper part of the river (between the first (ML1) and the second sampling site (ML2)). The highest diversity was noticed in spring (159 diatom taxa), while the lowest in the period of autumn (89). A total number of taxa that were dominant (relative abundance greater than 5% at least at one sampling site) during four seasons was 13. Conspicuous temporal dynamics was shown using canonical correspondence analysis (CCA). Large number of taxa was identified in more than two seasons; some were, however, specific to only one season. Many of them were found only in the winter, while a slightly smaller number of taxa were characteristic only for spring or summer.
Keywords	Bacillariophyceae ; autumn ; correspondence analysis ; fish farms ; rivers ; spring ; summer ; temporal variation ; trout ; winter
Language	English
Size	p. 9-20.
Publishing place	Matica srpska
Document type	Article
ZDB-ID	2603457-8
ISSN	2406-0828 ; 0352-4906
ISSN (online)	2406-0828
ISSN	0352-4906
DOI	10.2298/ZMSPN2141009J
Database	NAL-Catalogue (AGRICOLA)

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Article: Plant invasions in riparian areas of the Middle Danube Basin in Serbia

Anđelković, Ana A. / Pavlović, Danijela M. / Marisavljević, Dragana P. / Živković, Milica M. / Novković, Maja Z. / Popović, Slađana S. / Cvijanović, Dušanka Lj / Radulović, Snežana B.

NeoBiota. 2022 Jan. 06, v. 71

2022

Abstract: AbstractRiparian areas experience strong invasion pressures worldwide and represent important points of spread for invasive alien plants (IAPs) in the European mainland. The Danube Basin is a well-known point of high plant invasion levels. Given that ... ...

Abstract	AbstractRiparian areas experience strong invasion pressures worldwide and represent important points of spread for invasive alien plants (IAPs) in the European mainland. The Danube Basin is a well-known point of high plant invasion levels. Given that the middle part of the Danube Basin is critically understudied and the general lack of data for Serbia, the study aimed to provide an insight into the spatial patterns of plant invasions in the riparian areas of Serbia (Middle Danube Basin area). A total of 250 field sites, distributed along 39 rivers (nine catchment areas) and six canal sections, were studied during a four-year period (2013–2016) for the presence and abundance of IAPs. At the landscape scale, we studied distribution patterns of IAPs, differences in invasion levels in different catchment areas and between rivers and canals. At the local scale, we investigated how the proximity to roads/railway lines, housing areas, different land-use types (primarily agriculture), and dominant vegetation on site related to invasion patterns. Of the 26 studied IAPs, those with a well-known weedy behavior, long history of cultivation and strong affinity for riparian areas prevailed in the study area. Riparian zones of the Danube catchment exhibited the highest invasion levels in terms of IAPs richness and abundance, followed by the catchment areas of the Timok, Sava and Zapadna Morava rivers. Surprisingly, the Danube-Tisa-Danube canal network had the lowest invasion level. At the local scale, agriculture in proximity of the field site and dominant vegetation on site were observed as significant predictors of the invasion level. On the other hand, proximity to roads/railway lines and housing areas was not related to the invasion level. Finally, our study provides the first systematic overview of IAPs’ distribution data for riparian areas of the Middle Danube Basin in Serbia, which could provide a basis for long-term monitoring of IAPs and development of future management plans.
Keywords	basins ; ecological invasion ; invasive species ; land use ; landscapes ; railroads ; vegetation ; watersheds ; Serbia
Language	English
Dates of publication	2022-0106
Size	p. 23-48.
Publishing place	Pensoft Publishers
Document type	Article
ZDB-ID	2628537-X
ISSN	1314-2488 ; 1619-0033
ISSN (online)	1314-2488
ISSN	1619-0033
DOI	10.3897/neobiota.71.69716
Database	NAL-Catalogue (AGRICOLA)

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Article: Epilithic diatoms in environmental bioindication and trout farm’s effects on ecological quality assessment of rivers

Jakovljević, Olga S / Popović, Slađana S / Živić, Ivana M / Stojanović, Katarina Z / Vidaković, Danijela P / Naunovic, Zorana Z / Krizmanić, Jelena Ž

Ecological indicators. 2021 Sept., v. 128

2021

Abstract: The main aim of this study was to investigate the application of benthic diatoms and the efficiency of diatom indices in water ecological assessment of rivers in Serbia, as well as the influence of trout farms on rivers water quality. Research was ... ...

Abstract	The main aim of this study was to investigate the application of benthic diatoms and the efficiency of diatom indices in water ecological assessment of rivers in Serbia, as well as the influence of trout farms on rivers water quality. Research was conducted in one year period along the Crnica and Radovanska rivers (Eastern Serbia), in 11 sampling sites (taking into account the position of trout fish farms that are built on both rivers). Results showed that fish farms affect the physical and chemical parameters, as well as diversity of the epilithic diatom assemblage along the rivers. Canonical correspondence analysis (CCA) indicated that among tested physical and chemical parameters, conductivity “EC”, water hardness “WH”, sulfates “SO₄²⁻”, ionized ammonia fraction “NH₄⁺”, nitrates “NO₃–“, “pH”, mud, stone and depth were the most important variables affecting the distribution of diatom species. A total of 206 epilithic diatom taxa were recorded in the Radovanska and 170 in the Crnica River. Based on diatom indices, trout fish farms have no significant negative impact on the water quality of the investigated rivers (indices are not enough sensitive). Redundancy analysis (RDA) showed a high degree of correlation between the majority of indices which mostly indicated to good water quality of studied rivers. TID and TDI were the only two indices indicating moderate and poor water quality of both rivers. Water quality based on the TIDRS, the first proposed diatom index for Serbia was differ in two classes in most sites compairing with TID.
Keywords	Bacillariophyceae ; ammonia ; correspondence analysis ; fish farms ; rivers ; trout ; water hardness ; Serbia
Language	English
Dates of publication	2021-09
Publishing place	Elsevier Ltd
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	2036774-0
ISSN	1872-7034 ; 1470-160X
ISSN (online)	1872-7034
ISSN	1470-160X
DOI	10.1016/j.ecolind.2021.107847
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Cyanobacteria and algae from biofilm at the entrance zone of Petnica Cave

Popović Slađana S. / Petrović Kristina M. / Trnavac-Bogdanović Dušica S. / Milošević Dragana L. / Graovac Ana D. / Trbojević Ivana S. / Subakov-Simić Gordana V.

Zbornik Matice Srpske za Prirodne Nauke, Vol 2021, Iss 140, Pp 71-

2021 Volume 84

Abstract	The importance of biofilms in caves, the diversity of microorganisms in them, their mutual relationship and relationship with the substratum are among the advancing research topics in microbial biospeleology. This research is making contribution to the knowledge about biofilms at cave entrances and phototrophic communities in them. In that manner, biofilms from the entrance zone of the Petnica Cave were examined. Light microscopy showed that cyanobacteria were exclusively dominant phototrophs (34 taxa out of 39 total taxa recorded) with coccoid forms prevailing (28 taxa); simple trichal forms were present to a lesser extent, while heterocytous ones were completely absent. Genera Gloeocapsa, Chroococcus,Gloeothece and Leptolyngbya were the most diverse. Four green algal genera characteristic for aerophytic habitats (Apatococcus, Desmococcus, Haematococcus and Trentepohlia) were also recorded, while Bacillariophytawere observed sporadically. Three groups of sampling sites were distinguished based on recorded taxa, their richness and similarity, using non-metric multidimensional scaling (NMDS). Quantitative biofilm characteristics were also assessed - the content of chlorophyll a (Chl a) was determined, as well as the contents of water, organic and inorganic matter. Chl a had a significant positive correlation with the content of organic matter (r=0.904, P=0.013).
Keywords	aerophytic phototrophs ; algae ; biofilm ; cyanobacteria ; petnica cave ; Science (General) ; Q1-390
Subject code	590
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Matica srpska
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Determination of inorganic anions in herbal tea infusions using ion chromatography

Milovanović Željka J. / Popović Slađana S. / Pantelić Ana S. / Milinkov Jelena R. / Milošević Dragana L. / Petrović Vladimir M. / Vidović Milka M.

Zbornik Matice srpske za prirodne nauke. 2018, v. 2018, no. 134

2018

Abstract: The ionic content was examined in nine aqueous tea extracts in which time of boiling, acidification of the medium using lemon juice and way of preparation were observed as factors. Ion chromatography was used for determination of inorganic anion content, ...

Abstract	The ionic content was examined in nine aqueous tea extracts in which time of boiling, acidification of the medium using lemon juice and way of preparation were observed as factors. Ion chromatography was used for determination of inorganic anion content, and data were processed using CANOCO program for multivariate analysis. The variations in ionic content were observed among different tea samples. The highest concentrations of chloride, nitrate, phosphate, and sulphate ions were found in nettle, while the highest concentrations of fluorides were detected in elderflower tea infusion. The effect of boiling time (5, 10, and 20 min), acidification of the medium and different preparation procedure (boiling and cooling at room temperature) were statistically presented using principal component analysis. The examined factors did not have a significant effect on the ionic concentration in tea infusions. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. 176018 and Grant No. 172001]
Keywords	acidification ; ambient temperature ; chlorides ; education ; herbal tea ; ion exchange chromatography ; lemon juice ; multivariate analysis ; nitrates ; phosphates ; principal component analysis ; sulfates
Language	English
Size	p. 89-99.
Publishing place	Matica srpska
Document type	Article
ZDB-ID	2603457-8
ISSN	2406-0828 ; 0352-4906
ISSN (online)	2406-0828
ISSN	0352-4906
DOI	10.2298/ZMSPN1834089M
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Determination of inorganic anions in herbal tea infusions using ion chromatography

Milovanović Željka J. / Popović Slađana S. / Pantelić Ana S. / Milinkov Jelena R. / Milošević Dragana L. / Petrović Vladimir M. / Vidović Milka M.

Zbornik Matice Srpske za Prirodne Nauke, Vol 2018, Iss 134, Pp 89-

2018 Volume 99

Abstract	The ionic content was examined in nine aqueous tea extracts in which time of boiling, acidification of the medium using lemon juice and way of preparation were observed as factors. Ion chromatography was used for determination of inorganic anion content, and data were processed using CANOCO program for multivariate analysis. The variations in ionic content were observed among different tea samples. The highest concentrations of chloride, nitrate, phosphate, and sulphate ions were found in nettle, while the highest concentrations of fluorides were detected in elderflower tea infusion. The effect of boiling time (5, 10, and 20 min), acidification of the medium and different preparation procedure (boiling and cooling at room temperature) were statistically presented using principal component analysis. The examined factors did not have a significant effect on the ionic concentration in tea infusions. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. 176018 and Grant No. 172001]
Keywords	herbal tea ; inorganic anions ; ion chromatography ; principal component analysis ; tea infusion ; Science (General) ; Q1-390
Language	English
Publishing date	2018-01-01T00:00:00Z
Publisher	Matica srpska
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Biofilm forming microorganisms on various substrata from greenhouse of Botanical Garden “Jevremovac”

Unković Nikola D. / Popović Slađana S. / Stupar Miloš Č / Samolov Elena D. / Subakov-Simić Gordana V. / Ljaljević-Grbić Milica V. / Vukojević Jelena B.

Zbornik Matice srpske za prirodne nauke. 2017, v. 2017, no. 132

2017

Abstract: Diversity of subaerial biofilm forming cyanobacteria, algae and fungi was investigated on 10 different substrata from greenhouse of Botanical Garden “Jevremovac”. Out of 37 documented taxa, 16 cyanobacterial and 10 algal taxa were identified. Remaining ... ...

Abstract	Diversity of subaerial biofilm forming cyanobacteria, algae and fungi was investigated on 10 different substrata from greenhouse of Botanical Garden “Jevremovac”. Out of 37 documented taxa, 16 cyanobacterial and 10 algal taxa were identified. Remaining 11 taxa belong to the Kingdom of Fungi. The highest diversity of biofilm forming microorganisms, a total of 24 taxa, was detected on the corroded metal surface, while significantly lower number of taxa was recorded on other examined substrata. Cyanobacterium Porphyrosiphon sp., diatom Achnanthes sp. and green algae Chlorella sp. and Chlorococcum minutum were the most frequently encountered photosynthetic components of biofilms. In all analyzed samples, Trichoderma sp., followed by Cladosporium sp. and Rhizopus stolonifer, were the most frequently identified fungi. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. OI176020, Grant no. OI176018, and Grant no. OI173032]
Keywords	Achnanthes ; Chlorella ; Chlorococcum ; Cladosporium ; Cyanobacteria ; Rhizopus stolonifer ; Trichoderma ; algae ; biofilm ; botanical gardens ; education ; greenhouses ; photosynthesis
Language	English
Size	p. 57-67.
Publishing place	Matica srpska
Document type	Article
ZDB-ID	2603457-8
ISSN	2406-0828 ; 0352-4906
ISSN (online)	2406-0828
ISSN	0352-4906
DOI	10.2298/ZMSPN1732057U
Database	NAL-Catalogue (AGRICOLA)

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