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Lajos Vörös
MSc,
Ph.D., DSc scientific adviser Institute Building A, room 103 tel: +36 87 448244 ext №118 fax: +36 87 448006 vorosl  |
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| Research Area | ||||||||||||||||||||||||||||||||||||
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Limnology, phytoplankton, picoplankton, cyanobacteria, phytobenthos, microbial food web |
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| Research Description | ||||||||||||||||||||||||||||||||||||
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Investigation of the eutrophication of Lake Balaton, response of phytoplankton community structure, dynamics and primary production to the nutrient load increase. Studies on the bloom forming cyanobacteria in Lake Balaton. Studies on the nuisance blooms of Cladophora glomerata in Lake Balaton Investigation of phototrophic picoplankton in Hungarian freshwater and saline shallow lakes, determination of their abundance, biomass and primary production. Investigation of the microbial food web in Lake Balaton. Investigation of the ecological impact of the filter feeding fish in shallow lakes. Investigation of the biomass, species composition and primary production of phytobenthos in Lake Balaton. |
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| Selected Publications | ||||||||||||||||||||||||||||||||||||
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VÖRÖS, L. & J. NÉMETH (1980) Changes in the structure of phytoplankton in Lake Balaton as a result of eutrophication. In: DOKULIL, M., H. METZ & D. JEWSON (Eds), Dr. W. Junk Publishers, Yhe Hague, Developments in Hydrobiology 3: 73-79 VÖRÖS, L. & J. PADISÁK (1991) Phytoplankton biomass and chlorophyll-a in some shallow lakes in central Europe. Hydrobiologia 215: 111-119. VÖRÖS, L. (1991) Importance of picoplankton in Hungarian shallow lakes. Verh. internat. Verein. Limnol. 24: 984-988. VÖRÖS, L., P. GULYÁS & J. NÉMETH (1991) Occurrence, dynamics and production of picoplankton in Hungarian shallow lakes. Int. Revue ges. Hydrobiol. 76: 617-629. VÖRÖS, L. & P. NAGY GÖDE (1993) Long term changes of phytoplankton in Lake Balaton (Hungary) Verh. Internat. Verein. Limnol. 25: 682-686. VÖRÖS, L., K. V.-BALOGH. & S. HERODEK (1996) Microbial food web in a large shallow lake (Lake Balaton, Hungary). Hydrobiologia 339: 57-65. V.-BALOGH, K. & L VÖRÖS (1997) High bacterial production in hypertophic shallow reservoirs rich in humic substances. Hydrobiologia 342/343: 63-70. PRÉSING, M., K. V.-BALOGH, L. VÖRÖS & H. M. SHAFIK (1997) Relative nitrogen deficiency without occurrence of nitrogen fixing blue-green algae in a hypertrophic reservoir. Hydrobiologia 342/343: 55-61. VÖRÖS, L., I. OLDAL, M. PRÉSING & K. V.-BALOGH (1997) Size-selective filtration and taxon-specific digestion of plankton algae by silver carp (Hypophthalmichthys molitrix Val.) Hydrobiologia 342/343: 223-228. VÖRÖS, L., C. CALLIERI, K. V.-BALOGH & R. BERTONI (1998) Freshwater picocyanobacteria along a trophic gradient and light quality range. Hydrobiologia 369/370: 117-125. JUHOS, SZ. & L. VÖRÖS (1998) Structural changes during europhication of Lake Balaton, Hungary, as revealed by the Zipf-Mandelbrot model. Hydrobiologia 369/370: 237-242. KONCZ E., K. V.-BALOGH & L. VÖRÖS (1998) Bacterioplankton in a River-Reservoir-Lake System. Int. Revue ges. Hydrobiol. 83:(Spec. Issue) 155-162. PRÉSING, M., L. VÖRÖS, S. HERODEK & GY. ABRUSÁN (1998) The significance of various nitrogen sources for phytoplankton growth in shallow lake and hypertrophic reservoir. Int. Revue ges. Hydrobiol. 83:(Spec. Issue) 361-368. VÖRÖS, L., M. PRÉSING, K. V.-BALOGH & I. OLDAL (1998) Nutrient removal efficiency of a pollution control reservoir. Int. Revue ges. Hydrobiol. 83:(Spec. Issue) 665-672. VÖRÖS, L., K. V.-BALOGH, S. HERODEK & K. T. KISS (2000) Underwater light conditions, phytoplankton photosynthesis and bacterioplankton production in the Hungarian section of the River Danube. Large Rivers 11, No. 4. Arch. Hydrobiol. Suppl. 115/4: 511-532. SPECZIÁR A. & L. VÖRÖS (2001) Long-term dynamics of Lake Balaton’s chironomid fauna and its dependence on the phytoplankton production. Arch. Hydrobiol. 152: 119-142. VÖRÖS, L., K. V.-BALOGH, E. KONCZ. & A. KOVÁCS (2003) Phytoplankton and bacterioplankton production in a reed-covered water body. Aquatic Botany 77: 99-110. VÖRÖS L. & V.-BALOGH K. (2003) Photoautotrophic picoplankton of the natron lakes in the Danube-Tisza Interfluve. Természetvédelmi Közlemények 10: 35-39.(In Hungarian with English summary) PÁLFFY, K. & L. VÖRÖS (2003) Effect of ultraviolet radiation on phytoplankton primary production in Lake Balaton. Hydrobiologia 506: 289-296. |
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| Travels, work abroad | ||||||||||||||||||||||||||||||||||||
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Work in different research institutes on different water bodies in
different projects. Participation on 25 international conferences |
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