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Filtry: Autor is Jaroslav Vrba [Clear All Filters]

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Šimek, K., J. Vrba, a P. Lavrentyev. 1994. Estimates of protozoan bacterivory: From microscopy to ectoenzyme assay?. Marine Microbial Food Webs 8: 71–85.

Adamec, L., D. Sirova, J. Vrba, a E. Rejmankova. 2010. Enzyme production in the traps of aquatic Utricularia species. BIOLOGIA 65: 273-278.

Sirova, D., L. Adamec, a J. Vrba. 2003. Enzymatic activities in traps of four aquatic species of the carnivorous genus Utricularia. New Phytologist 159: 669–675.

Vrba, J., J. Komarkova, a V. Vyhnalek. 1993. Enhanced Activity of Alkaline-phosphatases - Phytoplankton Response To Epilimnetic Phosphorus Depletion. Water Science and Technology 28: 15–24.

Kopacek, J., J. Hejzlar, J. Kana, P. Porcal, P. Psenakova, a J. Vrba. 2001. Element budgets in three Bohemian Forest lakes and their watersheds in the 2000 hydrological year: II. Cerne Lake. Silva Gabreta 6: 53 - 72.

Kopacek, J., J. Kaňa, P. Porcal, J. Vrba, a S. A. Norton. 2019. Effects of tree dieback on lake water acidity in the unmanaged catchment of Plešné Lake, Czech Republic. Limnology and Oceanography 64: 1614–1626.

Ctvrtlikova, M., P. Znachor, J. Nedoma, a J. Vrba. 2012. Effects of temperature on the phenology of germination of Isoetes echinospora. PRESLIA 84: 141-153.

Mindl, B., B. Sonntag, J. Pernthaler, J. Vrba, R. Psenner, a T. Posch. 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: 203-213.

Ctvrtlikova, M., J. Vrba, P. Znachor, a P. Hekera. 2009. The effects of aluminium toxicity and low pH on the early development of Isoetes echinospora. Preslia 81: 135 - 149.

Ctvrtlikova, M., P. Znachor, a J. Vrba. 2014. The effect of temperature on the phenology of germination of Isoetes lacustris. Preslia 86: 279-292.

Vrba, J. 1990. Effect of periodic illumination on nitrification in the continuous cultivation. Archiv für Hydrobiologie Beihefte Ergebnisse der Limnologie 34: 145–450.

Strojsova, M., K. Suga, A. Hagiwara, a J. Vrba. 2009. Effect of Food Quantity and Quality on Population Growth Rate and Digestive Activity in the Euryhaline Rotifer Brachionus plicatilis MULLER. INTERNATIONAL REVIEW OF HYDROBIOLOGY 94: 706-719.

Sirova, D., J. Borovec, T. Picek, L. Adamec, L. Nedbalova, a J. Vrba. 2011. Ecological implications of organic carbon dynamics in the traps of aquatic carnivorous Utricularia plants. FUNCTIONAL PLANT BIOLOGY 38: 583-593.

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Francová, K., K. Šumberová, A. Kučerová, M. Sorf, S. Grill, N. Exler, a J. Vrba. 2021. Drivers of plant species composition of ecotonal vegetation in two fishpond management types. Wetlands Ecology and Management 29: 93–110.

Soldan, T., J. Bojková, J. Vrba, P. Bitusik, P. Chvojka, M. Papáček, J. Peltanova, J. Sychra, a J. Tatosova. 2012. Diversity, long-term changes, and influence of acidification. Silva Gabreta 18: 123-283.

Strojsova, M., a J. Vrba. 2005. Direct detection of digestive enzymes in planktonic rotifers using enzyme-labelled fluorescence (ELF). Marine and Freshwater Research 56: 189–195.

Sirova, D., J. Santrucek, L. Adamec, J. Bárta, J. Borovec, J. Pech, S. M. Owens, R. Schaeufele, H. Štorchová, a J. Vrba. 2014. Dinitrogen fixation associated with shoots of aquatic carnivorous plants: is it ecologically important?. ANNALS OF BOTANY 114: 125-133.

Vrba, J., P. Filandr, J. Nedoma, a K. Šimek. 1996. Different sources of extracellular beta-N-acetylhexosaminidase-like activities in freshwaters R.A.A. Muzzarelli [ed.]. Chitin enzymology 2: 293 - 301.

Strojsova, M., J. Nedoma, J. Seda, a J. Vrba. 2008. Diet quality impact on growth, reproduction and digestive activity in Brachionus calyciflorus. Journal of Plankton Research 30: 1123–1131.

Kust, A., K. Řeháková, J. Vrba, V. Maicher, J. Mareš, P. Hrouzek, M. C. Chiriac, B. Z., T. B., a K. Saurav. 2020. Detection of multiple classes of peptides in eutrophic ponds using an MS/MS networking approach. Toxins 12: 561.

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Cao, X. Y., A. Strojsova, P. Znachor, E. Zapomelova, G. X. Liu, J. Vrba, a Y. Y. Zhou. 2005. Detection of extracellular phosphatases in natural spring phytoplankton of a shallow eutrophic lake (Donghu, China). European Journal of Phycology 40: 251-258.

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Sirova, D., E. Rejmankova, E. Carlson, a J. Vrba. 2013. Current standard assays using artificial substrates overestimate phosphodiesterase activity. SOIL BIOLOGY & BIOCHEMISTRY 56: 75-79.

Adamec, L., D. Sirova, a J. Vrba. 2010. Contrasting growth effects of prey capture in two aquatic carnivorous plant species. FUNDAMENTAL AND APPLIED LIMNOLOGY 176: 153-160.

Pernthaler, J., T. Posch, K. Šimek, J. Vrba, R. Amann, a R. Psenner. 1997. Contrasting bacterial strategies to coexist with a flagellate predator in an experimental microbial assemblage. Applied and Environmental Microbiology 63: 596–601.

Macek, M., J. Vrba, P. Hartman, P. Ramteke, a P. Ramirez. 1996. Continuous-flow cultivation of Vibrio cholerae in the presence of natural freshwater chitin R.A.A. Muzzarelli [ed.]. Chitin enzymology 2: 147-156.