Biblio

Šimek, K., D. Babenzien, T. Bittl, R. Koschel, M. Macek, J. Nedoma, and J. Vrba. 1998. Microbial food webs in an artificially divided acidic bog lake. International Review of Hydrobiology 83: 3–18.

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.

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.

Vrba, J., J. Kofronova-Bobkova, J. Pernthaler, K. Šimek, M. Macek, and R. Psenner. 1997. Extracellular, low-affinity beta-N-acetylglucosaminidases linked to the dynamics of diatoms and crustaceans in freshwater systems of different trophic degree. Internationale Revue Der Gesamten Hydrobiologie 82: 277–286.

Šimek, K., J. Vrba, J. Pernthaler, T. Posch, P. Hartman, J. Nedoma, and R. Psenner. 1997. Morphological and compositional shifts in an experimental bacterial community influenced by protists with contrasting feeding modes. Applied and Environmental Microbiology 63: 587–595.

Dolan, J. R., and K. Šimek. 1997. Processing of ingested matter in Strombidium sulcatum, a marine ciliate (Oligotrichida). Limnology and Oceanography 42: 393-397.

Šimek, K., M. Macek, J. Pernthaler, V. Straskrabova, and R. Psenner. 1996. Can freshwater planktonic ciliates survive on a diet of picoplankton?. Journal of Plankton Research 18: 597-613.

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.

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.

Macek, M., K. Šimek, J. Pernthaler, V. Vyhnalek, and R. Psenner. 1996. Growth rates of dominant planktonic ciliates in two freshwater bodies of different trophic degree. Journal of Plankton Research 18: 463-481.

Vrba, J., J. Kopacek, V. Straskrabova, J. Hejzlar, and K. Šimek. 1996. Limnological research of acidified lakes in Czech part of the Sumava Mountains: trophic status and dominance of microbial food webs. Silva Gabreta 1: 151 - 164.

Hejzlar, J., J. Kopacek, J. Vrba, H. Cizkova, J. Komarkova, and K. Šimek. 1996. Limnological study of Plesne Lake in 1994-1995. Silva Gabreta 2: 155 - 174.

Pernthaler, J., K. Šimek, B. Sattler, A. Schwarzenbacher, J. Bobkova, and R. Psenner. 1996. Short-term changes of protozoan control on autotrophic picoplankton in an oligo-mesotrophic lake. Journal of Plankton Research 18: 443-462.

Pernthaler, J., B. Sattler, K. Šimek, A. Schwarzenbacher, and R. Psenner. 1996. Top-down effects on the size-biomass distribution of a freshwater bacterioplankton community. Aquatic Microbial Ecology 10: 255-263.

Matena, J., K. Šimek, and C. H. Fernando. 1995. Ingestion of suspended bacteria by fish: a modified approach. Journal of Fish Biology 47: 334-336.

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

Straskrabova, V., J. Komarkova, M. Macek, J. Seda, K. Šimek, J. Vrba, and V. Vyhnalek. 1994. Microbial-algal-crustacean interactions in a reservoir under different fishstock. ADVANCES IN LIMNOLOGY, VOL 40 - PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RESERVOIR LIMNOLOGY AND WATER QUALITY 40: 209-221.

Nedoma, J., J. Vrba, J. Hejzlar, K. Šimek, and V. Straskrabova. 1994. N-acetylglucosamine dynamics in freshwater environment: concentration of amino-sugars, extracellular enzyme activities, and microbial uptake. Limnology and Oceanography 39: 1088-1100.

Šimek, K., J. Vrba, and P. Hartman. 1994. Size-selective feeding by Cyclidium sp. on bacterioplankton and various sizes of cultured bacteria. FEMS Microbiology Ecology 14: 157–167.

Vrba, J., K. Šimek, J. Nedoma, and P. Hartman. 1993. 4-methylumbelliferyl-beta-N-acetylglucosaminide hydrolysis by a high-affinity enzyme, a putative marker of protozoan bacterivory. Applied and Environmental Microbiology 59: 3091–3101.

Chrzanowski, T. H., and K. Šimek. 1993. Bacterial growth and losses due to bacterivory in a mesotrophic lake. Journal of Plankton Research 15: 771-785.

Chrzanowski, T. H., K. Šimek, R. H. Sada, and S. Williams. 1993. Estimates of bacterial growth rate constants from thymidine incorporation and variable conversion factors. Microbial Ecology 25: 121-130.

Straskrabova, V., J. Komarkova, M. Macek, J. Seda, K. Šimek, J. Vrba, and V. Vyhnalek. 1993. Microbial algal crustacean interactions in a reservoir under different fishstock. Archiv für Hydrobiologie Beihefte Ergebnisse der Limnologie 40: 209–221.

Straskrabova, V., and K. Šimek. 1993. Microbial loop in lakes and reservoirs related to trophy and metazooplankton development A. Sladeckova [ed.]. INTERNATIONAL ASSOCIATION OF THEORETICAL AND APPLIED LIMNOLOGY - PROCEEDINGS, VOL 25 PT 2 25: 1183-1186.

Fott, J., E. Stuchlik, Z. Stuchlikova, V. Straskrabova, J. Kopacek, and K. Šimek. 1992. Acidification of lakes in Tatra Mountains (Czechoslovakia) and its ecological consequences. Documenta Ist. ital. Idrobiol. 32: 69-81.