+   Lajos Vörös - Scientific Adviser


Lajos Vörös MSc, Ph.D., DSc
scientific adviser
Institute Building A, room 103
tel: +36 87 448244 ext №118
fax: +36 87 448006
voros.lajosemail_cim

CV
Research Area
Research Description
Selected Publications

Major Projects
Travel, work abroad

Awards


  CV

Work experience

 
 

Balaton Limnological Research Institute of the Hungarian Academy of Sciences, Tihany

2002-present

scientific adviser

1987-2002

senior research fellow

1978-1987

research fellow

1976-1978

assistant research fellow
 

 

Regional Water Authority, Pécs

1969-1976

hydrobiologist
 

Education

 
2002

DSc

1987

Candidate of biological sciences (Ph.D)

1968

Msc.
József Attila University, Szeged, Faculty of Natural Sciences, Graduate of biology and chemistry.

1976-1978

assistant research fellow
 

Memberships

 
 

International Association for Theoretical and Applied Limnology (SIL)
Secretary of the Hungarian National Committee for the International Union of Biological Sciences (IUBS)
Hungarian Algological Society
Hungarian Hydrological Society
Hungarian Biological Society
Hydrobiological Committee of the HAS
Botanical Committee of the HAS
Editorial Board of Acta Botanica Croatica.
Advisory board of LakeNet.


156 publications, over 220 lectures


  Research Area

Limnology, phytoplankton, picoplankton, cyanobacteria, phytobenthos, microbial food web


  Research Description

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.


  Selected Publications

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.


  Major Projects
2003-2006

“Productivity and diversity of phytoplankton in picoplankton dominated water bodies” Hungarian Scientific Research Fund

2000-2002

“Phytoplankton and phytobenthos in Lake Balaton” Office of the Prime Minister.

2000-2002

“Role of iron in algal development” Office of the Prime Minister.

1998-1999

Role of microbial communities in water quality formation of Lake Balaton Office of the Prime Minister.

1995-1998

Characterization of Hungarian picoplankton organisms and populations with limnological and molecular methods” Hungarian Scientific Research Fund

1995-1998

“Investigation of factors affecting growth and toxicity of blue-green algae” Ministry for Environment and Regional Policy  


  Travels, work abroad

Work in different research institutes on different water bodies in different projects.
Armenia - Sevan Hydrobiological Station, Sevan
Cuba - “Zapata project”
Denmark - Danish University of Pharmaceutical Sciences, Copenhagen
Egypt - Suez Canal University, Ismailia, Aswan
Germany - University of Leipzig, Leipzig
Italy - Italian Institute of Hydrobiology, Pallanza
Norvay - Norvegian Institute for Water Research, Oslo
Russia - Institute for Biology of Inland Waters, Borok
Ukraine - Institute of Hydrobiology, Kiev
USA - Oceanographic Institution, Woods Hole
 

Participation on 25 international conferences


  Awards
1987 - Academy Prize