Biblio

Sirova, D., J. Vrba, and E. Rejmankova. 2006. Extracellular enzyme activities in benthic cyanobacterial mats: comparison between nutrient-enriched and control sites in marshes of northern Belize. Aquatic Microbial Ecology 44: 11–20.

Vrba, J., M. Macholdová, L. Nedbalova, J. Nedoma, and M. Sorf. 2018. An experimental insight into extracellular phosphatases – differential induction of cell-specific activity in green algae cultured under various phosphorus conditions. Frontiers in Microbiology 9, doi:10.3389/fmicb.2018.00271

Vrba, J., K. Šimek, J. Pernthaler, and R. Psenner. 1996. Evaluation of extracellular, high-affinity beta-N-acetylglucosaminidase measurements from freshwater lakes: An enzyme assay to estimate protistan grazing on bacteria and picocyanobacteria. Microbial Ecology 32: 81–99.

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

Sirova, D., L. Adamec, and 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, and 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, and 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, and 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.

Mindl, B., B. Sonntag, J. Pernthaler, J. Vrba, R. Psenner, and 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, and 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, and 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.

Francová, K., K. Šumberová, A. Kučerová, M. Sorf, S. Grill, N. Exler, and 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. Bojkova, J. Vrba, P. Bitusik, P. Chvojka, M. Papáček, J. Peltanova, J. Sychra, and J. Tatosova. 2012. Diversity, long-term changes, and influence of acidification. Silva Gabreta 18: 123-283.

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

Vrba, J., P. Filandr, J. Nedoma, and 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, and 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., and K. Saurav. 2020. Detection of multiple classes of peptides in eutrophic ponds using an MS/MS networking approach. Toxins 12: 561.

Cao, X. Y., A. Strojsova, P. Znachor, E. Zapomelova, G. X. Liu, J. Vrba, and 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.

Pernthaler, J., T. Posch, K. Šimek, J. Vrba, R. Amann, and 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, and 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.

Vrba, J., J. Bojkova, P. Chvojka, J. Fott, J. Kopacek, M. Macek, L. Nedbalova, M. Papáček, V. Rádková, V. Sacherová, T. Soldan, and M. Sorf. 2016. Constraints on the biological recovery of the Bohemian Forest lakes from acid stress. Freshwater Biology 61: 376-395.

Vrba, J., V. Vyhnalek, J. Hejzlar, and J. Nedoma. 1995. Comparison of Phosphorus Deficiency-indexes During A Spring Phytoplankton Bloom In A Eutrophic Reservoir. Freshwater Biology 33: 73–81.

Šimek, K., P. Hartman, J. Nedoma, J. Pernthaler, D. Springmann, J. Vrba, and R. Psenner. 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.

Vrba, J. 2000. Comment to Sherr and Sherr (1999): "Is there any appropriate way to distinguish different beta-N-acetylhexosaminidase activities in aquatic environments?". FEMS Microbiology Ecology 33: 81–84.