Mgr. Michal Janáč, Ph.D.

Position: post-doc
Research topics: fish ecology
Department: Working place Brno
Phone: +420 543 422 515
E-mail: janacivb.cz

Research interests

ecology of invasive fish species,

ecology of fish early life stages,

fish sampling methodology.

Education

1998-2003: undergraduate study - Masaryk university Brno, Faculty of Sciences, Zoology. Thesis: Methodology of 0+ fish sampling in flowing waters.

2003-2009: Ph.D. study - Masaryk university Brno, Faculty of Sciences, Zoology. Thesis: Sampling and evaluation of the young-of-the-year fish assemblages.

Employment

2002-2009: Institute of Vertebrate Biology AS CR - research assistant,

2010-present: Institute of Vertebrate Biology AS CR - post-doc.

Publications

2013

M. JANÁČ, L. ŠLAPANSKÝ, Z. VALOVÁ, P. JURAJDA: Downstream drift of round goby (Neogobius melanostomus) and tubenose goby (Proterorhinus semilunaris) in their non-native area, Ecology of Freshwater Fish 22 (2013) 430-438.

M. JANÁČ, P. JURAJDA, L. KRUŽÍKOVÁ, KEVIN F. ROCHE, V. PRÁŠEK: Reservoir to river passage of age-0+ year fishes, indication of a dispersion pathway for a non-native species, Journal of Fish Biology 82 (2013) 994-1010.

M. JANÁČ, P. JURAJDA: Diel differences in 0+ fish samples: effect of river size and habitat, River Research and Applications 29 (2013) 90-98.

KEVIN F. ROCHE, M. JANÁČ, P. JURAJDA: A review of Gobiid expansion along the Danube-Rhine corridor – geopolitical change as a driver for invasion, Knowledge and Management of Aquatic Ecosystems 411 (2013) .

2012

M. JANÁČ, Z. VALOVÁ, P. JURAJDA: Range expansion and habitat preferences of nonnative 0+ tubenose goby (Proterorhinus semilunaris) in two lowland rivers in the Danube basin, Fundamental and Applied Limnology / Archiv für Hydrobiologie 181 (2012) 73-85.

M. POLAČIK, M. JANÁČ, M. VASSILEV, T. TRICHKOVA: Morphometric comparison of native and non-native populations of round goby Neogobius melanostomus from the River Danube, Folia zoologica 61 (2012) 1-8.

2011

M. JANÁČ, P. JURAJDA: Mortality induced by electrofishing and handling in five young-of-the-year cyprinids: effect of the fish size, species and anode size, Journal of Applied Ichthyology 27 (2011) 990-994.

2010

M. JANÁČ, P. JURAJDA: Modified sampling design for age-0 fish electrofishing at beach habitats, North American Journal of Fisheries Management 30 (2010) 1210-1220.

M. JANÁČ, M. ONDRAČKOVÁ, P. JURAJDA, Z. VALOVÁ, M. REICHARD: Flood duration determines the reproduction success of fish in artificial oxbows in a floodplain of a potamal river, Ecology of Freshwater Fish 19 (2010) 644-655.

P. JURAJDA, M. JANÁČ, Z. VALOVÁ, G. STRECK: Fish community in the chronically polluted middle Elbe River, Folia zoologica 59 (2010) 157-168.

P. JURAJDA, Z. ADÁMEK, M. JANÁČ, Z. VALOVÁ: Longitudinal patterns in fish and macrozoobenthos assemblages reflect degradation of water quality and physical habitat in the Bílina river basin, Czech Journal of Animal Science 55 (2010) 123-136.

Z. VALOVÁ, P. JURAJDA, M. JANÁČ, I. BERNARDOVÁ, H. HUDCOVÁ: Spatiotemporal trends of heavy metal concentrations in fish of the River Morava (Danube basin), Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engineering 45 (2010) 1892-1899.

2009

P. JURAJDA, M. JANÁČ, S.M. WHITE, M. ONDRAČKOVÁ: Small – but not easy: evaluation of sampling methods in floodplain lakes including whole-lake sampling, Fisheries Research 96 (2009) 102-108.

M. POLAČIK, M. JANÁČ, P. JURAJDA, Z. ADÁMEK, M. ONDRAČKOVÁ, T. TRICHKOVA, M. VASSILEV: Invasive gobies in the Danube: invasion success facilitated by availability and selection of superior food resources, Ecology of Freshwater Fish 18 (2009) 640-649.

2008

P. LOYKA, Z. ADÁMEK, M. JANÁČ, J. HUML: Nová horní hranice výskytu hrouzka Kesslerova (Gobio kessleri Dybowski, 1862) v řece Moravě (ČR), Bulletin VÚRH Vodňany 44 (2008) 44-47.

M. POLAČIK, M. JANÁČ, T. TRICHKOVA, M. VASSILEV, H. KECKEIS, P. JURAJDA: The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River, Large Rivers 18 (2008) 193-208.

M. POLAČIK, M. JANÁČ, P. JURAJDA, M. VASSILEV, T. TRICHKOVA: The sampling efficiency of electrofishing for Neogobius species in a riprap habitat: a field experiment, Journal of Applied Ichthyology 24 (2008) 601-604.

M. POLAČIK, T. TRICHKOVA, M. JANÁČ, M. VASSILEV, P. JURAJDA: The ichthyofauna of the shoreline zone in the longitudinal profile of the Danube River, Bulgaria, Acta zoologica bulgarica 60 (2008) 77-88.

2007

M. JANÁČ, P. JURAJDA: A comparison of point abundance and continuous sampling by electrofishing for age-0 fish in a channelized lowland river, North American Journal of Fisheries Management 27 (2007) 1119-1125.

P. JURAJDA, Z. ADÁMEK, M. JANÁČ, Z. VALOVÁ: Fish and macrozoobenthos in the Vlára stream drainage area (Bílé Karpaty Mountains), Czech Journal of Animal Science 52 (2007) 214-225.

2006

Z. VALOVÁ, P. JURAJDA, M. JANÁČ: Spatial distribution of 0+ juvenile fish in differently modified lowland rivers, Folia zoologica 55 (2006) 293-308.

2005

M. JANÁČ, P. JURAJDA: Inter-calibration of three electric fishing techniques to estimate 0+ juvenile fish densities on sandy river beaches, Fisheries Management and Ecology 12 (2005) 161-167.

P. JURAJDA, J. ČERNÝ, M. POLAČIK, Z. VALOVÁ, M. JANÁČ, R. BLAŽEK, M. ONDRAČKOVÁ: The recent distribution and abundance of non-native Neogobius fishes in the Slovak section of the River Danube, Journal of Applied Ichthyology 21 (2005) 319-323.


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HOME NEWS AND PRESS RELEASE STRUCTURE OF IVB BOARD OF INSTITUTE AND SUPERVISORY BOARD RESEARCH DIRECTIONS AND PROJECTS STAFF PUBLICATIONS LIBRARY BIENNIAL REPORT FOLIA ZOOLOGICA CONFERENCE LECTURE HALL	Mgr. Michal Janáč, Ph.D. Position: post-doc Research topics: fish ecology Department: Working place Brno Phone: +420 543 422 515 E-mail: janacivb.cz Research interests ecology of invasive fish species, ecology of fish early life stages, fish sampling methodology. Education 1998-2003: undergraduate study - Masaryk university Brno, Faculty of Sciences, Zoology. Thesis: Methodology of 0+ fish sampling in flowing waters. 2003-2009: Ph.D. study - Masaryk university Brno, Faculty of Sciences, Zoology. Thesis: Sampling and evaluation of the young-of-the-year fish assemblages. Employment 2002-2009: Institute of Vertebrate Biology AS CR - research assistant, 2010-present: Institute of Vertebrate Biology AS CR - post-doc. Publications 2013 M. JANÁČ, L. ŠLAPANSKÝ, Z. VALOVÁ, P. JURAJDA: Downstream drift of round goby (Neogobius melanostomus) and tubenose goby (Proterorhinus semilunaris) in their non-native area, Ecology of Freshwater Fish 22 (2013) 430-438. M. JANÁČ, P. JURAJDA, L. KRUŽÍKOVÁ, KEVIN F. ROCHE, V. PRÁŠEK: Reservoir to river passage of age-0+ year fishes, indication of a dispersion pathway for a non-native species, Journal of Fish Biology 82 (2013) 994-1010. M. JANÁČ, P. JURAJDA: Diel differences in 0+ fish samples: effect of river size and habitat, River Research and Applications 29 (2013) 90-98. KEVIN F. ROCHE, M. JANÁČ, P. JURAJDA: A review of Gobiid expansion along the Danube-Rhine corridor – geopolitical change as a driver for invasion, Knowledge and Management of Aquatic Ecosystems 411 (2013) . 2012 M. JANÁČ, Z. VALOVÁ, P. JURAJDA: Range expansion and habitat preferences of nonnative 0+ tubenose goby (Proterorhinus semilunaris) in two lowland rivers in the Danube basin, Fundamental and Applied Limnology / Archiv für Hydrobiologie 181 (2012) 73-85. M. POLAČIK, M. JANÁČ, M. VASSILEV, T. TRICHKOVA: Morphometric comparison of native and non-native populations of round goby Neogobius melanostomus from the River Danube, Folia zoologica 61 (2012) 1-8. 2011 M. JANÁČ, P. JURAJDA: Mortality induced by electrofishing and handling in five young-of-the-year cyprinids: effect of the fish size, species and anode size, Journal of Applied Ichthyology 27 (2011) 990-994. 2010 M. JANÁČ, P. JURAJDA: Modified sampling design for age-0 fish electrofishing at beach habitats, North American Journal of Fisheries Management 30 (2010) 1210-1220. M. JANÁČ, M. ONDRAČKOVÁ, P. JURAJDA, Z. VALOVÁ, M. REICHARD: Flood duration determines the reproduction success of fish in artificial oxbows in a floodplain of a potamal river, Ecology of Freshwater Fish 19 (2010) 644-655. P. JURAJDA, M. JANÁČ, Z. VALOVÁ, G. STRECK: Fish community in the chronically polluted middle Elbe River, Folia zoologica 59 (2010) 157-168. P. JURAJDA, Z. ADÁMEK, M. JANÁČ, Z. VALOVÁ: Longitudinal patterns in fish and macrozoobenthos assemblages reflect degradation of water quality and physical habitat in the Bílina river basin, Czech Journal of Animal Science 55 (2010) 123-136. Z. VALOVÁ, P. JURAJDA, M. JANÁČ, I. BERNARDOVÁ, H. HUDCOVÁ: Spatiotemporal trends of heavy metal concentrations in fish of the River Morava (Danube basin), Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engineering 45 (2010) 1892-1899. 2009 P. JURAJDA, M. JANÁČ, S.M. WHITE, M. ONDRAČKOVÁ: Small – but not easy: evaluation of sampling methods in floodplain lakes including whole-lake sampling, Fisheries Research 96 (2009) 102-108. M. POLAČIK, M. JANÁČ, P. JURAJDA, Z. ADÁMEK, M. ONDRAČKOVÁ, T. TRICHKOVA, M. VASSILEV: Invasive gobies in the Danube: invasion success facilitated by availability and selection of superior food resources, Ecology of Freshwater Fish 18 (2009) 640-649. 2008 P. LOYKA, Z. ADÁMEK, M. JANÁČ, J. HUML: Nová horní hranice výskytu hrouzka Kesslerova (Gobio kessleri Dybowski, 1862) v řece Moravě (ČR), Bulletin VÚRH Vodňany 44 (2008) 44-47. M. POLAČIK, M. JANÁČ, T. TRICHKOVA, M. VASSILEV, H. KECKEIS, P. JURAJDA: The distribution and abundance of the Neogobius fishes in their native range (Bulgaria) with notes on the non-native range in the Danube River, Large Rivers 18 (2008) 193-208. M. POLAČIK, M. JANÁČ, P. JURAJDA, M. VASSILEV, T. TRICHKOVA: The sampling efficiency of electrofishing for Neogobius species in a riprap habitat: a field experiment, Journal of Applied Ichthyology 24 (2008) 601-604. M. POLAČIK, T. TRICHKOVA, M. JANÁČ, M. VASSILEV, P. JURAJDA: The ichthyofauna of the shoreline zone in the longitudinal profile of the Danube River, Bulgaria, Acta zoologica bulgarica 60 (2008) 77-88. 2007 M. JANÁČ, P. JURAJDA: A comparison of point abundance and continuous sampling by electrofishing for age-0 fish in a channelized lowland river, North American Journal of Fisheries Management 27 (2007) 1119-1125. P. JURAJDA, Z. ADÁMEK, M. JANÁČ, Z. VALOVÁ: Fish and macrozoobenthos in the Vlára stream drainage area (Bílé Karpaty Mountains), Czech Journal of Animal Science 52 (2007) 214-225. 2006 Z. VALOVÁ, P. JURAJDA, M. JANÁČ: Spatial distribution of 0+ juvenile fish in differently modified lowland rivers, Folia zoologica 55 (2006) 293-308. 2005 M. JANÁČ, P. JURAJDA: Inter-calibration of three electric fishing techniques to estimate 0+ juvenile fish densities on sandy river beaches, Fisheries Management and Ecology 12 (2005) 161-167. P. JURAJDA, J. ČERNÝ, M. POLAČIK, Z. VALOVÁ, M. JANÁČ, R. BLAŽEK, M. ONDRAČKOVÁ: The recent distribution and abundance of non-native Neogobius fishes in the Slovak section of the River Danube, Journal of Applied Ichthyology 21 (2005) 319-323.