Biology Centre of the Academy of Sciences of the Czech Republic, Institute of Hydrobiology

Staff List

Papers:
Hruška, J., Oulehle, F., Chuman, T., Kopáček, J., Vrba, J., Čtvrtlíková, M., Majer, V.
(2013) 30 let výzkumu šumavských jezer. Regenerace z okyselení a vliv gradace lýkožrouta [ Thirty-year research of the Bohemian Forest lakes: Recovery from atmospheric acidification and an effect of bark beetle infestation]. Živa 61 (5): 224–229.
Others
Čtvrtlíková, M., Znachor, P., Nedoma, J., Vrba, J.
(2012) Effects of temperature on the phenology of germination of Isoëtes echinospora. Preslia, 84 (1): 141–153.
Research impacted
Svobodová, J., Matěna, J., Kopáček, J., Poláková, S., Vrba, J.
(2012) Spatial and temporal changes of benthic macroinvertebrate assemblages in acidified streams in the Bohemian Forest (Czech Republic). Aquatic Insects, 34 (1): 157–172.
Research impacted
Soldán, T., Bojková, J.. Vrba, J., Bitušík, P., Chvojka, P., Papáček, M., Peltanová, J., Sychra, J., Tátosová, J.
(2012) Aquatic insects of the Bohemian Forest glacial lakes: Diversity, long-term changes, and influence of acidification. Silva Gabreta, 18 (3): 123–283.
Research non impacted
Adamec, L., Vrba, J., Sirová, D.
(2011) Fluorescence tagging of phosphatase and chitinase activity on different structures of Utricularia traps. Carnivorous Plant Newsletter, 40 (2): 68–73.
Research non impacted
Kopáček, J., Hejzlar, J., Vrba, J., Stuchlík, E.
(2011) Phosphorus loading of mountain lakes: Terrestrial export and atmospheric deposition. Limnology and Oceanography, 56 (4): 1343–1354.
Research impacted
Sirová, D., Borovec, J., Picek, T., Adamec, L., Nedbalová, L., Vrba, J.
(2011) Ecological implications of organic carbon dynamics in the traps of aquatic carnivorous Utricularia plants. Functional Plant Biology, 38 (7): 583–593.
Research impacted
Kopáček, J., Vrba, J., Šantrůčková, H., Svoboda, M.
(2011) Dlouhodobý ekologický výzkum šumavských jezer a jejich povodí [Long-term research of the Bohemian Forest lakes and their catchments] In: Sborník referátů ze semináře Pochůzka po Černém a Čertově jezeře ke 100 letům ochrany NPR Černé a Čertovo jezero, Špičák, September 13, 2011. Česká lesnická společnost, o.s., ISBN 978–80–02–02330–2: pp. 39–44.
Others
Adamec, L., Sirová, D., Vrba, J.
(2010) Contrasting growth effects of prey capture in two aquatic carnivorous plant species. Fundamental and Applied Limnology, 176 (2): 153–160.
Research impacted
Adamec, L., Sirová, D., Vrba, J., Rejmánková, E.
(2010) Enzyme production in the traps of aquatic Utricularia species. Biologia, 65 (2): 273–278.
Research impacted
Borovec, J., Sirová, D., Mošnerová, P., Rejmánková, E., Vrba, J.
(2010) Spatial and temporal changes in phosphorus partitioning within a freshwater cyanobacterial mat community. Biogeochemistry, 101 (1–3): 323–333.
Research impacted
Novotná, J., Nedbalová, L., Kopáček, J., Vrba, J.
(2010) Cell-specific extracellular phosphatase activity of dinoflagellate populations in acidified mountain lakes. Journal of Phycology, 46 (4): 635–644.
Research impacted
Sirová, D., Borovec, J., Šantrůčková, H., Šantrůček, J., Vrba, J., Adamec, L.
(2010) Utricularia carnivory revisited: plants supply photosynthetic carbon to traps. Journal of Experimental Botany, 61 (1): 99–103.
Research impacted
Šantrůčková, H., Vrba, J., Křenová, Z., Svoboda, M., Benčoková, A., Edwards, M., Fuchs, R., Hais, M., Hruška, J., Kopáček, J., Matějka, K., Rusek, J.
(2010) Co vyprávějí šumavské smrčiny. Průvodce lesními ekosystémy Šumavy [What the spruce forests of the Šumava Mts. tell us. A quide to Šumava’s forest ecosystems]. Správa NP a CHKO Šumava, ISBN 978–80–87257–04–3: 153 pp.
Others
Čtvrtlíková, M., Vrba, J., Znachor, P., Hekera, P.
(2009) Effects of aluminium toxicity and low pH on the early development of Isoëtes echinospora. Preslia, 81 (2): 135–149.
Research impacted
Cao, X., Song, C., Zhou, Y., Štrojsová, A., Znachor, P., Zapomělová, E., Vrba, J.
(2009) Extracellular phosphatases produced by phytoplankton and other sources in shallow eutrophic lakes (Wuhan, China): taxon-specific versus bulk activity. Limnology, 10 (2): 95–104
Research impacted
Sirová, D., Borovec, J., Černá, B., Rejmánková, E., Adamec, L., Vrba, J.
(2009) Microbial community development in the traps of aquatic Utricularia species. Aquatic Botany, 90 (2): 129–136.
Research impacted
Štrojsová, A., Vrba, J.
(2009) Short-term variation in extracellular phosphatase activity: possible limitations for diagnosis of nutrient status in particular algal populations. Aquatic Ecology, 43 (1): 19–25.
Research impacted
Štrojsová, M., Ahlrichs W.H.
(2009) Differentiation between activity of digestive enzymes of Brachionus calyciflorus and extracellular enzymes of its epizooic bacteria. Journal of Limnology, 68 (2): 409–412.
Research impacted
Štrojsová, M., Suga, K., Hagiwara, A., Vrba, J.
(2009) Effect of food quantity and quality on population growth rate and digestive activity in the euryhaline rotifer Brachionus plicatilis MÜLLER. International Review of Hydrobiology, 94 (6): 706–719.
Research impacted
Hruška, J., Majer, V., Krám, P., Oulehle, F., Kopáček, J., Vrba, J., Fottová, D.
(2009) Účinky kyselého deště na lesní a vodní ekosystémy III. Okyselení potoků a jezer [Effects of acid rain on forest and fresh water ecosystems: III. Acidification of streams and lakes]. Živa, 2009 (4): 189–192.
Others
Štrojsová, A., Nedoma, J., Štrojsová, M., Cao, X., Vrba, J.
(2008) The role of cell-surface-bound phosphatases in species competition within natural phytoplankton assemblage: an in situ experiment. Journal of Limnology, 67 (2): 128–138.
Research impacted
Štrojsová, M., Nedoma, J., Seďa, J., Vrba, J.
(2008) Diet quality impact on growth, reproduction and digestive activity in Brachionus calyciflorus. Journal of Plankton Research, 30 (10): 1123–1131.
Research impacted
Vrba, J., Fott, J., Kohout, L., Kopáček, J., Macek, M., Nedbalová, L.
(2008) Limnological survey of the lakes Wielki Staw and Maly Staw in the Giant Mts. (Karkonosze). Opera Corcontica, 45: 45–58.
Research non impacted
Vrba, J.
(2008) Dlouhodobý ekologický výzkum [Long-term ecological research]. Ochrana přírody 2008, (5): 31–33.
Others
Vrba, J.,
(2008) Přímá mikroskopická detekce enzymů u planktonních organismů [Direct microscopic detection of enzymes in planktonic organisms]. Akademický bulletin AV ČR, 2008 (10): 24–25.
Others
Posch, T.*, Mindl, B.*, Horňák, K., Jezbera, J., Salcher, M.M.*, Sattler, B.*, Sonntag, B.*, Vrba, J., Šimek, K.
(2007) Biomass reallocations within freshwater bacterioplankton induced by manipulating phosphorus availability and grazing. Aquatic Microbial Ecology, 49 (3): 223–232.
Research impacted
Salcher, M.M.*, Hofer, J.*, Horňák, K., Jezbera, J., Sonntag, B.*, Vrba, J., Šimek, K., Posch, T.*
(2007) Modulation of microbial predator-prey dynamics by phosphorus availability: Growth patterns and survival strategies of bacterial phylogenetic clades. FEMS Microbiology Ecology, 60 (1): 40–50.
Research impacted
Štrojsová, M., Vrba, J.
(2007) Rotifer digestive enzymes: direct detection using the ELF technique. Hydrobiologia, 593 (1): 159–165.
Research impacted
Groben, R.*, Hahn, M.W.*, Horňák, K., Mergeay, J.*, Šimek, K., Vrba, J.
(2007) Meeting report: ALTER-Net workshop about the “Application of molecular techniques to study biodiversity, structure and function of planktonic communities in lakes” at Blanes, Spain, February 15–16, 2007. Protist, 158 (4): 417–421.
Others
Straškrábová, V., Brandl, Z., Komárková, J., Macek, M., Seďa, J., Šimek, K., Vrba J.
(2006) Climate effeted spring events in pelagic succession of two reservoirs. In: Book of Abstracts, 5th International Conference on Reservoir Limnology and Water Quality, Brno, August 27–31, 2006. Biology Centre of the Academy of Sciences of the Czech Republic, Institute of Hydrobiology, České Budějovice; Centre for Cyanobacteria and Their Toxins, Masaryk University Brno. ISBN 80–86188–23–X: pp. 55–56.
Others
Kopáček, J., Vrba, J.
(2006) Integrated ecological research of catchment-lake ecosystems in the Bohemian Forest (Central Europe): A preface. Biologia, 61 (Suppl. 20): S363–S370.
Research impacted
Nedoma, J., Vrba, J.
(2006) Specific activity of cell-surface acid phosphatase in different bacterioplankton morphotypes in an acidified mountain lake. Environmental Microbiology, 8 (7): 1271–1279.
Research impacted
Šimek, K., Horňák, K., Jezbera, J., Nedoma, J., Vrba, J., Straškrábová, V., Macek, M., Dolan, J.R.*, Hahn, M.W.*
(2006) Maximum growth rates and possible life strategies of different bacterioplankton groups in relation to phosphorus availability in a freshwater reservoir. Environmental Microbiology, 8 (9): 1613–1624.
Research impacted
Štrojsová, A., Vrba, J.
(2006) Phytoplankton extracellular phosphatases: investigation using the ELF (Enzyme Labelled Fluorescence) technique. Polish Journal of Ecology, 54 (4): 715–723.
Research impacted
Plachno, B.J.*, Adamec, L.*, Lichtscheidl, I.K.*, Peroutka, M.*, Adlassnig, W.*, Vrba, J.
(2006) Fluorescence labelling of phosphatase activity in digestive glands of carnivorous plants. Plant Biology, 8 (6): 813–820.
Research impacted
Nedbalová, L.*, Vrba, J., Fott, J.*, Kohout, L.*, Kopáček, J., Macek, M., Soldán, T.*
(2006) Biological recovery of the Bohemian Forest lakes from acidification. Biologia, 61 (Suppl. 20): S453–S465.
Research impacted
Sirová, D.*, Vrba, J., Rejmánková, E.*
(2006) Extracellular enzyme activities in benthic cyanobacterial mats: comparison between nutrient-enriched and control sites in marshes of northern Belize. Aquatic Microbial Ecology, 44 (1): 11–20.
Research impacted
Vrba, J., Kopáček, J., Bittl, T., Nedoma, J., Štrojsová, A., Nedbalová, L., Kohout, L.*, Fott, J.*
(2006) A key role of aluminium in phosphorus availability, food web structure, and plankton dynamics in strongly acidified lakes. Biologia, 61 (Suppl. 20): S441–S451.
Research impacted
Cao, X.*, Štrojsová, A., Znachor, P., Zapomělová, E., Liu, G.*, Vrba, J., Zhou, Y.*
(2005) Detection of extracellular phosphatases in natural spring phytoplankton of a shallow eutrophic lake (Donghu, China). European Journal of Phycology, 40 (3): 251–258.
Research impacted
Mindl, B.*, Sonntag, B.*, Pernthaler, J.*, Vrba, J., Psenner, R.*, Posch, T.*
(2005) Effects of phosphorus loading on interactions of algae and bacteria: reinvestigation of the ‘phytoplankton–bacteria paradox’ in a continuous cultivation system. Aquatic Microbial Ecology, 38 (3): 203–213.
Research impacted
Straškrábová, V., Šimek, K., Vrba, J.
(2005) Long-term development of reservoir ecosystems – changes in pelagic food webs and their microbial component. Limnetica, 24 (1–2): 9–20.
Research non impacted
Štrojsová, A., Vrba, J., Nedoma, J., Šimek, K.
(2005) Extracellular phosphatase activity of freshwater phytoplankton exposed to different in situ phosphorus concentrations. Marine and Freshwater Reseach, 56 (4): 417–424.
Research impacted
Štrojsová, M.*, Vrba, J.
(2005) Direct detection of digestive enzymes in planktonic rotifers using enzyme-labelled fluorescence (ELF). Marine and Freshwater Research, 56 (2): 189–195.
Research impacted
Znachor, P., Vrba, J., Nedoma, J., Kopáček, J.
(2005) Bacterial and phytoplankton responses to nutrient and pH changes during short term in situ experiments in two acidified lakes. Algological Studies, 115: 79–99.
Research non impacted
Vrba, J., Svoboda, J.*, Fuksa, J. K.*
(2005) Fluorescenční stanovení aminopeptidázové aktivity jako alternativní indikátor kvality povrchových vod? [The fluorescence assay of aminopeptidase activity as an alterantive indicator of water quality?]. In: Ambrožová, J., Tlustá, P. (eds.), Sborník konference Vodárenská biologie 2005. Praha, February 2–3, 2005, Vodní zdroje EKOMONITOR, Chrudim, ISBN 80–86832–07–4: pp. 37–42.
Others
Kopáček, J., Brzáková, M., Hejzlar, J., Nedoma, J., Porcal, P., Vrba, J.
(2004) Nutrient cycling in a strongly acidified mesotrophic lake. Limnology and Oceanography, 49 (4): 1202–1213.
Research impacted
Šantrůčková, H.*, Vrba, J., Picek, T.*, Kopáček, J.
(2004) Soil biochemical activity and phosphorus transformations and losses from acidified forest soils. Soil Biology Biochemistry, 36: 1569–1576.
Research impacted
Šimek, K., Jezbera, J., Horňák, K., Vrba, J., Seďa, J.
(2004) Role of diatom-attached choanoflagellates of the genus Salpingoeca as pelagic bacterivores. Aquatic Microbial Ecology, 36: 257–269.
Research impacted
Vrba, J., Callieri, C.*, Bittl, T.*, Šimek, K., Bertoni, R.*, Filandr, P.*, Hartman, P., Hejzlar, J., Macek, M., Nedoma, J.
(2004) Are bacteria the major producers of extracellular glycolytic enzymes in aquatic environments? International Review of Hydrobiology, 89 (1): 102-117.
Research impacted
Vrba, J., Fott, J.*, Kohout, L.*, Kopáček, J.
(2004) Současné zotavování acidifikovaných jezer na Šumavě [Recent recovery of acidified lakes in the Bohemian Forest]. In: Dvořák, L., Šustr, P. (eds.), Sborník konference Aktuality šumavského výzkumu II. Srní, October 4-7, 2004, Správa NP a CHKO Šumava: pp. 99-103.
Others
Kopáček, J., Brzáková, M., Hejzlar, J., Kaňa, J., Porcal, P., Vrba, J.
(2003) Mass balance of nutrients and major solutes in the Plešné watershed-lake ecosystem in the 2001 hydrological year. Silva Gabreta, 9: 33-52.
Research non impacted
Nedoma, J., Straškrábová, V., Znachor, P., Vrba, J.
(2003) Primary and bacterial production in three acidified lakes in the Bohemian Forest. Silva Gabreta, 9: 53-70.
Research non impacted
Nedoma, J., Štrojsová, A., Vrba, J., Komárková, J., Šimek K.
(2003) Extracellular phosphatase activity of natural plankton studied with ELF97 phosphate: fluorescence quantification and labelling kinetics. Environmental Microbiology, 5 (6): 462-472.
Research impacted
Sirová, D.*, Adamec, L.*, Vrba, J.
(2003) Enzymatic activities in traps of four aquatic species of the carnivorous genus Utricularia. New Phytologist, 159 (3): 669-675.
Research impacted
Štrojsová, A.,Vrba, J., Nedoma, J., Komárková, J., Znachor, P.
(2003) Seasonal study of extracellular phosphatase expression in the phytoplankton of a eutrophic reservoir. European Journal of Phycology, 38: 295-306.
Research impacted
Vrba, J., Kopáček, J., Fott, J.*, Kohout, L.*, Nedbalová, L.*, Pražáková, M.*, Soldán, T.*, Schaumburg, J.*
(2003) Long-term studies (1871-2000) on acidification and recovery of lakes in the Bohemian Forest (central Europe). The Science of the Total Environment, 310 (1-3): 73-85.
Research impacted
Vrba, J., Nedoma, J., Kohout, L.*, Kopáček, J., Nedbalová, L.*, Ráčková, P.*, Šimek, K.
(2003) Massive occurrence of heterotrophic flaments in acidified lakes: seasonal dynamics and composition. FEMS Microbiology Ecology, 46 (3): 281-294.
Research impacted
Kopáček, J., Fott, J.*, Hejzlar, J., Majer, V.*, Stuchlík, E.*, Veselý, J.*, a Vrba, J.
(2003) Obnovit či neobnovit přečerpávání vody do Černého jezera? [To renew or not to renew reverse water pumping into Černé Lake?] Vodní hospodářství, 53 (3): 65-67.
Others
Nedoma, J., Vrba, J., Štrojsová, A., Šimek, K., Znachor, P.
(2003) Možnosti využití analýzy obrazu při vyhodnocování mikrobiální biomasy a aktivity ve vzorcích přirozených vod [Use of image analysis for estimation of microbial biomass and activity in samples of natural aquatic ecosystems]. Acta Facultatis Ecologiae: 10 (Suppl. 1): 59-61.
Others
Straškrábová, V., Nedoma, J., Šimek, K., Vrba, J.
(2003) Pelagic microbial assemblages in oligotrophic mountain lakes. Acta Facultatis Ecologiae: 10 (Suppl. 1): 15-18.
Others
Štrojsová, A., Vrba, J., Nedoma, J.
(2003) Extracelulární fosfatázy fytoplanktonu nádrže Římov [Extracellular phosphatases of the Římov reservoir phytoplankton]. Acta Facultatis Ecologiae: 10 (Supplement 1): 65-68.
Others
Vrba, J., Fott, J.*, Kopáček, J., Soldán, T.*, Veselý, J.*
(2003) Sto třicet let výzkumu šumavských jezer [130 years of lake research in the Bohemian Forest]. Živa, 51 (1): 25-29.
Others
Vrba, J., Kopáček, J., Nedbalová, L.*
(2003) Zotavování šumavských jezer z acidifikace - příklad Plešného jezera [A recovery from acidification - Plešné Lake in the Bohemian Forest]. Acta Facultatis Ecologiae: 10 (Suppl. 1): 259-261.
Others
Kopáček, J., Stuchlík, E.*, Veselý, J.*, Schaumburg, J.*, Anderson, I.C.*, Fott, J.*, Hejzlar, J., Vrba, J.
(2002) Hysteresis in reversal of Central European mountain lakes from atmospheric acidification. Water, Air, and Soil Pollution: Focus, 2 (2): 91–114.
Research impacted
Svoboda, J.*, Vrba, J., Simanov, L.*, Fuksa, J.K.*
(2002) Vývoj mikrobiální aktivity v podélném profilu Vltavy – po proudu k povodí a dále (Development of microbial activity in the Vltava River – a longitudinal profile to Podolí and downstream). In: Ambrožová, J. (ed.): 18. seminář Aktuální otázky vodárenské biologie, Praha, February 6–7, 2002, VŠCHT, Praha, pp. 171–175. ISBN 80–7080–467–X.
Others
Vrba, J., Kopáček, J., Fott, J.*
(2002) Šumavská ledovcová jezera na přelomu tisíciletí (Bohemian Forest lakes on the turn of centuries). Živa, 6: 265–269.
Others
Nedoma, J., Vrba, J., Hejzlar, J., Šimek, K., García, J.C.*, Armengol, J.*
(2002) Spatial patterns of phosphorus dynamics along to canyon-shaped reservoirs of different trophy In: Hydrobiological Institute AS CR (eds.): ResLim 2002, Extended Abstracts, 4th International Conference on Reservoir Limnology and Water Quality, České Budějovice, August 12–16, 2002, Institute of Hydrobiology Academy of Sciences of the Czech Republic, Faculty of Biological Sciences University of South Bohemia, pp. 250-253.
Others
Straškrabová, V., Šimek, K., Vrba, J., Nedoma, J., Macek, M., Hartman, P.
(2002) Seasonal and interannual changes of microbial loop in pelagic food webs of reservoirs In: Hydrobiological Institute AS CR (eds.): ResLim 2002, Extended Abstracts, 4th International Conference on Reservoir Limnology and Water Quality, České Budějovice, August 12–16, 2002, Institute of Hydrobiology Academy of Sciences of the Czech Republic, Faculty of Biological Sciences University of South Bohemia, pp. 322-325.
Others
Štrojsová, A., Komárková, J., Nedoma, J., Vrba, J.
(2002) Seasonal study of expression of extracellular phosphatases in natural phytoplankton in an eutrophic reservoir In: Hydrobiological Institute AS CR (eds.): ResLim 2002, Extended Abstracts, 4th International Conference on Reservoir Limnology and Water Quality, České Budějovice, August 12–16, 2002, Institute of Hydrobiology Academy of Sciences of the Czech Republic, Faculty of Biological Sciences University of South Bohemia, pp. 326-329.
Others
Vrba, J., Nedoma, J., Šimek, K., Straškrabová, V., Štrojsová, A., Fuksa, J.K.*, Svoboda, J.*
(2002) Extracellular enzymes and production parameters in two canyon reservoirs of different trophy: spatial patterns In: Hydrobiological Institute AS CR (eds.): ResLim 2002, Extended Abstracts, 4th International Conference on Reservoir Limnology and Water Quality, České Budějovice, August 12–16, 2002, Institute of Hydrobiology Academy of Sciences of the Czech Republic, Faculty of Biological Sciences University of South Bohemia, pp. 362-365.
Others
Bittl, T.*, Vrba, J., Nedoma, J., Kopáček, J.
(2001) Impact of ionic aluminium on extracellular phosphatases in acidified lakes. Environmental Microbiology, 3 (9): 578-587.
Research impacted
Kopáček, J., Hejzlar, J., Kaňa, J., Porcal, P., Pšenáková, P.*, Vrba, J.
(2001) Element budgets in three Bohemian Forest lakes and their watersheds in the 2000 hydrological year: II. Černé Lake. Silva Gabreta 6:53-72.
Research impacted
Nedoma, J., Vrba, J., Hanzl, T.*, Nedbalová, L.*
(2001) Quantification of pelagic filamentous microorganisms in aquatic environments using the line-intercept method. FEMS Microbiology Ecology 38: 81-85.
Research impacted
Pernthaler, J.*, Posch, T.*, Šimek, K., Vrba, J., Pernthaler, A.*, Glöckner, F.O.*, Nübel, U.*, Psenner, R.*, Amann, R.*
(2001) Predator-specific enrichment of actinobacteria from a cosmopolitan freshwater clade in mixed continuous culture. Applied and Environmental Microbiology, 5: 2145-2155.
Research impacted
Posch, T.*, Jezbera, J., Vrba, J., Šimek, K., Pernthaler, J.*, Andreatta, S.*, Sonntag B.*
(2001) Size selective feeding in Cyclidium glaucoma (Ciliophora, Scuticociliatida) and its effects on bacterial community structure: a study from a continuous cultivation system. Microbial Ecology, 42: 217-227.
Research impacted
Brzáková, M., Hejzlar, J., Borovec, J., Nedoma, J., Seďa, J., Šimek, K., Vrba, J.
(2001) Retence fosforu ve vodárenské nádrži Římov (Phosphorus retention in drinking water reservoir Římov). In: Kalousková, N., Dolejš, P. (eds.) Sborník z konference Pitná voda 2001, 6. pokračování konferencí Pitná voda z údolních nádrží, Tábor, May 21-24, 2001, W&ET Team, Č. Budějovice, pp. 295-300.
Others
Straškrabová, V., Fott, J.*, Hartman, P., Macek, M., Nedoma, J., Šimek, K., Vrba, J.
(2000) Structure of pelagic food webs in low-alkalinity lakes – forested and alpine catchments. Silva Gabreta, 4:199-212.
Research non impacted
Vrba, J.
(2000) Comment to Sherr and Sherr (1999):”Is there any appropriate way to distinguish different β-N-acetylhexosaminidase activities in aquatic environments?” FEMS Microbiology Ecology, 33: 81-84.
Research impacted
Vrba, J.
(2000) Bibliography of publications and manuscripts relating to the Bohemian/Bavarian Forest lakes. Silva Gabreta, 4: 259-278.
Research non impacted
Vrba, J., Kopáček, J., Fott, J.*
(2000) Long-term limnological research of the Bohemian Forest lakes and their recent status. Silva Gabreta, 4: 7-28.
Research non impacted
Nedoma, J., Vrba, J.
(2000) Vláknité mikroorganismy v šumavských jezerech (Filamentous microorganisms of Bohemian Forest lakes). In: Rulík, M. (ed.), XII. Limnologická konference Limnologie na přelomu tisíciletí, Kouty nad Desnou, September 18-22, 2000, Univerzita Palackého Olomouc, pp. 30-33.
Others
Vrba, J., Bittl, T.*, Nedoma, J., Kopáček, J., Nedbalová, L.*, Fott, J.*
(2000) Jedinečný plankton acidifikovaných šumavských jezer jako důsledek působení hliníku a limitace fosforem (Unique plankton of acidified Bohemian Forest lakes as a consequence of aluminium effect and phosphorus limitation). In: Rulík, M. (ed.), XII. Limnologická konference Limnologie na přelomu tisíciletí, Kouty nad Desnou, September 18-22, 2000, Univerzita Palackého Olomouc, pp. 47-51.
Others
Vrba, J., Kopáček, J., Fott, J.*, Šantrůčková, H.*, Veselý, J.*, Vicena, I.*
(2000) Dlouhodobý výzkum šumavských jezer - výstupy pro lesnickou praxi (Long-term research of the Bohemian Forest lakes - outlines for a forest management). In: Podrázský, V., Ryšánková, H., Vacek, S., Ulbrichová, I. (eds.): Sborník z celostátní konference Monitoring, výzkum a management ekosystémů Národního parku Šumava, Kostelec nad Černými lesy, November 27-28, 2000, Správa národního parku a chráněné krajinné oblasti Šumava, pp. 44-50.
Others
Posch, T.*, Šimek, K., Vrba, J., Pernthaler, J.*, Nedoma, J., Sattler, B.*, Sonntag, B.*, Psenner, R.*
(1999) Predator-induced changes of bacterial size-structure and productivity studied on an experimental microbial community. Aquatic Microbial Ecology, 18: 235-246.
Research impacted
Šimek, K., Kojecká, P., Nedoma, J., Hartman, P., Vrba, J., Dolan, J. R.*
(1999) Shifts in bacterial community composition associated with different microzooplankton size fractions in a eutrophic reservoir. Limnology and Oceanography, 44 (7): 1634-1644.
Research impacted
Nedoma, J., Vrba, J., Hanzl,T.
(1999) Kvantifikace vláknitých mikroorganismů a jejich výskyt v acidifikovaných jezerech Šumavy (Quantification of filamentous microorganisms and their occurrence in acidified Bohemian Forest lakes). In: Sládeková, D. (ed.), Zborník referátov prednesených na seminári: Nové poznatky v mikrobioológii vody VII, pp. 27-34. Poprad, September 29-October 1, 1999, Československá spoločnost´ mikrobiologická.
Others
Hejzlar, J. - Kopáček, J. - Vrba, J. - Čížková, R. - Komárková, J. - Šimek, K.
(1998) Limnological study of Plešné Lake in 1994-1995. 20 s. Silva Gabreta, 2, 155-174 (1998).
Research non impacted
Pernthaler, J. - Posch, T. - Šimek, K. - Vrba, J. - Psenner, R. - Amann, R.
(1998) Protisten-induzierte Populationsverschiebungen in einer experimentellen mikrobiellen Gemeinschaft. In: Neueste Entwicklungen in der in situ-Charakterisierung mikrobieller Biozönosen in Abwasser, Oberflächengewässern, Grund- und Trinkwasser. - München, Oldenbourg 1998. - 10 s.S. 117-126.
Research non impacted
Straškrabová, V. - Kopáček, J. - Procházková, L. - Vrba, J.
(1998) Die Versauerung der Seen im Böhmerwald, Ursachen, Trends und Folgen für die biologischen Prozesse und die Wasserqualität. In: Ergänzungsheft zum Tagungsband des Gewässerschutz und Wassernutzung im Einzugsgebiet der Elbe. - (Ed. Geller, W.). - Leipzig, B.G.Teubner Stuttgart 1998. - 4 s.S. 74-77.
Research non impacted
Šimek, K. - Babenzien, D. - Bittl, T. - Koschel, R. - Macek, M. - Nedoma, J. - Vrba, J.
(1998) Microbial Food Webs in an Artificially Divided Acidic Bog Lake. 16 s. International Revue der gesamten Hydrobiologie, 83 [1] 3-18 (1998).
Research impacted
Vrba, J.
(1998) Book review. 2 s. Silva Gabreta, 2, 409-410 (1998).
Research non impacted
Straškrabová, V. - Hartman, P. - Macek, M. - Nedoma, J. - Šimek, K. - Vrba, J.
(1997) S helikoptérou za mikroby horských jezer. In: Limnologický výzkum pro rozumné hospodaření s vodou. - (Ed. Lukavský, J.; Švehlová, D.). - Třeboň, ČLS, SLS 1997. - S. 188.
Others
Straškrabová, V. - Hartman, P. - Macek, M. - Šimek, K. - Vrba, J.
(1997) Podíl baktérií v biomase planktonu údolních nádrží. In: Limnologický výzkum pro rozumné hospodaření s vodou. - (Ed. Lukavský, J.; Švehlová, D.). - Třeboň, ČLS, SLS 1997. - S. 189-192.
Others
Šimek, K. - Hartman, P. - Kojecká, P. - Nedoma, J. - Pernthaler, J. - Posch, T. - Vrba, J.
(1997) Faktory ovlivňující diverzitu společenstev vodních bakterií: využití fluorescenčně značených RNA-sond. In: Limnologický výzkum pro rozumné hospodaření s vodou. - (Ed. Lukavský, J.; Švehlová, D.). - Třeboň, ČLS, SLS 1997. - S. 196-199.
Others
Šimek, K. - Hartman, P. - Nedoma, J. - Pernthaler, J. - Springmann, D. - Vrba, J. - Psenner, R.
(1997) Community structure, picoplankton grazing and zooplankton control of heterotrophic nanoflagellates in a eutrophic reservoir during the summer phytoplankton maximum. Aquatic Microbial Ecology, 12, 49-63 (1997).
Research impacted
Pernthaler, J., Šimek, K., Posch, T. - Vrba, J. - Amann, R. - Psenner, R.
(1997) Contrasting bacterial strategies to coexist with a flagellate predator in an experimental microbial assemblage. Applied and Environmental Microbiology, 63 [2] 596-601 (1997).
Research impacted
Šimek, K. - Vrba, J. - Pernthaler, J. - Posch, T. - Hartman, P. - Nedoma, J. - Psenner, R.
(1997) Morphological and compositional shifts in an experimental bacterial community influenced by protists with contrasting feeding modes. Applied and Environmental Microbiology, 63 [2] 587-595 (1997).
Research impacted
Vrba, J. - Kofroňová-Bobková, J. - Pernthaler, J. - Šimek, K. - Macek, M. - Psenner, R.
(1997) Extracellular, low-affinity β-N-acetylglucosaminidases linked to the dynamics of diatoms and crustaceans in freshwater systems of different trophic degree. Internationale Revue der gesamten Hydrobiologie, 82 [2] 277-286 (1997).
Research impacted
Vrba, J. - Kopáček, J. - Fott, J. - Hartman, P. - Hejzlar, J. - Komárková, J. - Macek, M. - Nedoma, J. - Straškrabová, V. - Šimek, K.
(1997) Limnologický výzkum šumavských jezer na sklonku 20. století. In: Limnologický výzkum pro rozumné hospodaření s vodou. - (Ed. Lukavský, J.; Švehlová, D.). - Třeboň, ČLS, SLS 1997. - S. 222-225.
Others
Macek, M. - Vrba, J. - Hartman, P. - Ramteke, P. - Ramirez, P.
(1996) Continuous-flow cultivation of Vibrio cholerae in the presenceof natural freshwater chitin. In: Chitin Enzymology. - (Ed. Muzzarelli, R. A. A.). - -, Atec Edizioni 1996. - S. 147-156.
Vrba, J. - Kopáček, J. - Straškrabová, V. - Hejzlar, J. - Šimek, K.
(1996) Limnological research of acidified lakes in Czech part of the Šumava Mountains: trophic status and dominance of microbial food webs. Silva Gabreta, 1: 151-164.
Research non impacted
Vrba, J. - Nedoma, J. - Filandr, P.
(1996) Resolving complex saturation kinetics: a potential tool in interpretationof extracellular β-N-acetylhexosaminidase data from natural freshwaters. In: Chitin Enzymology. - (Ed. Muzzareli, R. A. A.). - Atec Edizioni 1996. - S. 303-311.
Research non impacted
Vrba, J. - Nedoma, J. - Šimek, K. - Filandr, P.
(1996) Different sources of extracellular β-N-acetylhexosaminidase-like activities in freshwaters. In: Chitin Enzymology. - (Ed. Muzzareli, R. A. A.). - -, Atec Edizioni 1996. - S. 293-301.
Research non impacted
Vrba, J. - Šimek, K. - Pernthaler, J. - Psenner, R.
(1996) Evaluation of Extracellular, High-affinity β-N-acetylglucosaminidase Measurements from Freshwater Lakes: An Enzyme Assay to Estimate Protistan Grazing on Bacteria and Picocyanobaceria. Microbial Ecology, 32, 81-99 (1996).
Research impacted
Vrba, J. - Hartman, P. - Šimek, K.
(1995) Rychlé testy pro zjištění vlastností a identifikaci bakterií: využití komerčních fluorogenních substrátů. In: Nové ČSN ISO a STN ISO normy mikrobiologického rozboru vod. - (Ed. Tržilová, B.). - Brno, Československá spoločnosť mikrobiologická - Komisia mikrobiológie vody 1995. - S. 100-105.
Others
Vrba, J. - Vyhnálek, V. - Hejzlar, J. - Nedoma, J.
(1995) Comparison of phosphorus deficiency indices during a spring phytoplankton bloom in a eutrophic reservoir. Freshwater Biology, 33, [-] 73-81 (1995).
Research impacted
Nedoma, J. - Vrba, J. - Hejzlar, J. - Šimek, K. - Straškrabová, V.
(1994) N-acetylglucosamine dynamics in freshwater environments: Concentration of amino sugars, extracellular enzyme activities, and microbial uptake. Limnology and Oceanography, 39 [5] 1088-1100 (1994).
Research impacted
Straškrabová, V. - Komárková, J. - Macek, M. - Seďa, J. - Šimek, K. - Vrba, J. - Vyhnálek, V.
(1994) Microbial-algal-crustacean interactions in a reservoir under different fishstock. Ergebnisse der Limnologie. Archiv für Hydrobiologie Beiheft, 40, [-] 209-221 (1994.02.00).
Research non impacted
Straškrabová, V. - Vrba, J. - Šimek, K. - Nedoma, J.
(1994) Mikrobiologie kyselých horských jezer (Šumava). In: Nové metódy v mikrobiológii vody. - 6. - (Ed. Tržilová, B.). - Bratislava, Československá spoločnosť mikrobiologická, Komisia mikrobiológie vody 1994. - S. 97-104.
Others
Šimek, K. - Vrba, J. - Hartman, P.
(1994) Size-selective feeding by Cyclidium sp. on bacterioplanktnon and various sizes of cultured bacteria. FEMS Microbiology Ecology, 14 [2] 157-168 (1994).
Research impacted
Šimek, K. - Vrba, J. - Lavrentyev, P.
(1994) Estimates of protozoan bacterivory: From microscopy to ectoenzyme assay? Marine Microbial Food Webs, 8 [1/2] 71-85 (1994).
Research impacted
Vrba, J. - Macháček, J.
(1994) Release of dissolved extracellular β-N-acetylglucosaminidase during crustacean moulting. Limnology and Oceanography, 39 [3] 712-716 (1994).
Research impacted
Vrba, J. - Nedoma, J. - Šimek, K. - Hartman, P. - Macháček, J.
(1994) Aktivita extracelulárních hydroláz ve vodách: různá ekologická interpretace a význam. In: Zborník 10. Limnologickej konferencie. - Bratislava, Slovenská Limnologická spoločnosť 1994. - S. 240-244.
Others
Vyhnálek, V. - Hejzlar, J. - Nedoma, J. - Vrba, J.
(1994) Importance of the river inflow for the spring development of plankton in Římov Reservoir (Czechoslovakia). Ergebnisse der Limnologie. Archiv für Hydrobiologie Beiheft, 40, [-] 51-56 (1994.02.00).
Research non impacted
Vrba, J. - Komárková, J. - Vyhnálek, V.
(1993) Enhanced Activity of Alkaline Phosphatases - Phytoplankton Response to Epilimnetic Phosphorus Depletion. Water Science and Technology, 28 [6] 15-24 (1993).
Research impacted
Vrba, J. - Šimek, K. - Nedoma, J. - Hartman, P.
(1993) 4-Methylumbelliferyl-β-N-Acetylglucosaminide Hydrolysis by a High-Affnity Enzyme, a Putative Marker of Protozoan Bacterivory. Applied and Environmental Microbiology, 59 [9] 3091-3101 (1993).
Research impacted

© 2014 Department of Aquatic Microbial Ecolology
Biology Centre of the Academy of Sciences of the Czech Republic, v. v. i.
Institute of Hydrobiology