Biblio

Posch, T., K. Šimek, J. Vrba, S. Pernthaler, J. Nedoma, B. Sattler, B. Sonntag, and R. Psenner. 1999. Predator-induced changes of bacterial size-structure and productivity studied on an experimental microbial community. Aquatic Microbial Ecology 18: 235–246.

Šimek, K., P. Kojecka, J. Nedoma, P. Hartman, J. Vrba, and J. R. Dolan. 1999. Shifts in bacterial community composition associated with different microzooplankton size fractions in a eutrophic reservoir. Limnology and Oceanography 44: 1634–1644.

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.

Vrba, J., J. Kopacek, and J. Fott. 2000. Long-term limnological research of the Bohemian Forest lakes and their recent status. Silva Gabreta 4: 7 - 27.

Straskrabova, V., J. Fott, P. Hartman, M. Macek, J. Nedoma, K. Šimek, and J. Vrba. 2000. Structure of pelagic food webs in low-alkalinity lakes - forested and alpine catchments. Silva Gabreta 4: 199 - 211.

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.

Bittl, T., J. Vrba, J. Nedoma, and J. Kopacek. 2001. Impact of ionic aluminium on extracellular phosphatases in acidified lakes. Environmental Microbiology 3: 578-587.

Pernthaler, J., T. Posch, K. Šimek, J. Vrba, A. Pernthaler, F. O. Glockner, U. Nubel, R. Psenner, and R. Amann. 2001. Predator-specific enrichment of actinobacteria from a cosmopolitan freshwater clade in mixed continuous culture. Applied and Environmental Microbiology 67: 2145–2155.

Nedoma, J., J. Vrba, T. Hanzl, and L. Nedbalova. 2001. Quantification of pelagic filamentous microorganisms in aquatic environments using the line-intercept method. FEMS Microbiology Ecology 38: 81-85.

Posch, T., J. Jezbera, J. Vrba, K. Šimek, J. Pernthaler, S. Andreatta, and B. Sonntag. 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.

Kopacek, J., E. Stuchlik, J. Vesely, J. Schaumburg, I. C. Anderson, J. Fott, J. Hejzlar, and J. Vrba. 2002. Hysteresis in reversal of Central European mountain lakes from atmospheric acidification. Water Air Soil Pollut. Focus 2: 91 - 114.

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. Kopacek, J. Fott, L. Kohout, L. Nedbalova, M. Prazakova, T. Soldan, and J. Schaumburg. 2003. Long-term studies (1871-2000) on acidification and recovery of lakes in the Bohemian Forest (central Europe). Science of the Total Environment 310: 73–85.

Kopacek, J., M. Brzakova, J. Hejzlar, J. Kana, P. Porcal, and J. Vrba. 2003. Mass balance of nutrients and major solutes in the Plesne watershed - lake ecosystem in the 2001 hydrological year. Silva Gabreta 9: 33 - 52.

Vrba, J., J. Nedoma, L. Kohout, J. Kopacek, L. Nedbalova, P. Rackova, and K. Šimek. 2003. Massive occurrence of heterotrophic filaments in acidified lakes: seasonal dynamics and composition. FEMS Microbiology Ecology 46: 281–294.

Straskrabova, V., J. Nedoma, K. Šimek, and J. Vrba. 2003. Pelagic microbial assemblages in oligotrophic mountain lakes. Acta Universitatis Ecologiae 10: 15 - 17.

Nedoma, J., V. Straskrabova, P. Znachor, and J. Vrba. 2003. Primary and bacterial production in three acidified lakes in the Bohemian Forest. Silva Gabreta 9: 53 - 70.

Strojsova, A., J. Vrba, J. Nedoma, J. Komarkova, and P. Znachor. 2003. Seasonal study of extracellular phosphatase expression in the phytoplankton of a eutrophic reservoir. European Journal of Phycology 38: 295–306.

Vrba, J., C. Callieri, T. Bittl, K. Šimek, R. Bertoni, P. Filandr, P. Hartman, J. Hejzlar, M. Macek, and J. Nedoma. 2004. Are bacteria the major producers of extracellular glycolytic enzymes in aquatic environments?. International Review of Hydrobiology 89: 102–117.

Kopacek, J., M. Brzakova, J. Hejzlar, J. Nedoma, P. Porcal, and J. Vrba. 2004. Nutrient cycling in a strongly acidified mesotrophic lake. Limnology and Oceanography 49: 1202-1213.

Šimek, K., J. Jezbera, K. Hornak, J. Vrba, and J. Seda. 2004. Role of diatom-attached choanoilagellates of the genus Salpingoeca as pelagic bacterivores. Aquatic Microbial Ecology 36: 257–269.

Santruckova, H., J. Vrba, T. Picek, and J. Kopacek. 2004. Soil biochemical activity and phosphorus transformations and losses from acidified forest soils. Soil Biology & Biochemistry 36: 1569–1576.

Znachor, P., J. Vrba, J. Nedoma, and J. Kopacek. 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.

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.

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.