Mgr. Kevin Roche CSc.

Position grant funded researcher
Direction fish and mammal ecology

+420 543 422 521

Research interests

  • fish ecology,
  • biological invasions,
  • ecology of Eurasian otter and interactions with riverine and aquacultural fish stocks.

Finished projects

Evolutionary-immunological and ecological aspects of parasitism in hybrid and polyploid cyprinid fish (2012–2016)
The analysis of the selected immune and physiological parameters in Carassius gibelio,species with different ploidy and atypical reproductive strategy (2009–2011)
Genetic, population and reproductive variability of invazive fish species, Carassius (2005–2007)

Education

  • 1995-2001: CSc. – Institute of Systematic and Ecological Biology, Czechoslovak Academy of Sciences, Brno.
  • 1997: Mgr. – Palacky University in Olomouc, Ecology.
  • 1989-1993: BSc. – University of Hertfordshire (UK), Environmental studies.

Employment

  • 2010-present: Institute of Vertebrate Biology of the Czech Academy of Sciences – grant funded research assistant.
  • 2005-2006: Environment Agency (UK) – Fish ecologist
  • 1994-2004: Czech Otter Foundation Fund – scientific coordinator
  • 1994-1997: Institute of Systematic and Ecological Biology, Czechoslovak Academy of Sciences – research assistant.

Publications

2021

Jurajda P, Streck G, Roche K, Janáč M, Jurajdová Z (2021). Impact of multiple stressors on the fish community pattern along a highly degraded Central European river - a case study. Journal of Vertebrate Biology, 70: 20066.
Roche K, Šlapanský L, Trávník M, Janáč M, Jurajda P (2021). The importance of rip-rap for round goby invasion success - a field habitat manipulation experiment. Journal of Vertebrate Biology, 70: 21052.

2020

Jurajda P, Všetičková L, Švecová H, Kolářová J, Jurajdová Z, Janáč M, Roche K (2020). Trophic mercury biomagnification patterns in two European rivers following introduction of invasive round gobies (Neogobius melanostomus). Limnologica, 84: 125817.
Roche K, Jurajda P, Šlapanský L, White SM (2020). Turning back the tide? Local-scale impacts of climate change may have positive effects by restoring natural riverine habitat and reducing invasive fish density. Freshwater Biology, 65: 2010-2020.
Šlapanský L, Janáč M, Roche K, Jurajda P (2020). Round goby movement patterns in a non-navigable river. Canadian Journal of Fisheries and Aquatic Sciences, 77: 475-483.

2019

Janáč M, Jurajdová Z, Roche KF, Šlapanský L, Jurajda P (2019). An isolated round goby population in the upper Elbe: population characteristics and short-term impacts on the native fish assemblage. Aquatic Invasions, 14: 738-757.
Roche KF, Kuta J, Sedláček I, Červenka R, Tomanová K, Jurajda P (2019). Concentrations of thirteen trace metals in scales of three nototheniid fishes from Antarctica (James Ross Island, Antarctic Peninsula). Biological Trace Element Research, 191: 214-223.

2018

Janáč M, Roche KF, Šlapanský L, Polačik M, Jurajda P (2018). Long-term monitoring of native bullhead and invasive gobiids in the Danubian rip-rap zone. Hydrobiologia, 807: 263-275.
Jurajda P, Roche KF, Halačka K, Mrkvová M, Zukal J (2018). Winter activity of common bream (Abramis brama L.) in a European reservoir. Fisheries Management and Ecology, 25: 163-171.
Roche KF, Kuta J, Sedláček I, Červenka R, Tomanová K, Jurajda P (2018). First data on uranium uptake in three nototheniid fishes from Antarctica (James Ross Island). Chemosphere, 211: 510-514.
Všetičková L, Mikl L, Adámek Z, Prášek V, Roche KF, Jurajda P (2018). The diet of reservoir perch before, during and after establishment of non-native tubenose goby. Knowledge and Management of Aquatic Ecosystems, 419: 4.

2017

Mikl L, Adámek Z, Všetičková L, Janáč M, Roche KF, Šlapanský L, Jurajda P (2017). Response of benthic macroinvertebrate assemblages to round (Neogobius melanostomus, Pallas 1814) and tubenose (Proterorhinus semilunaris, Heckel 1837) goby predation pressure. Hydrobiologia, 785: 219-232.
Mikl L, Adámek Z, Roche KF, Všetičková L, Šlapanský L, Jurajda P (2017). Invasive Ponto-Caspian gobies in the diet of piscivorous fish in a European lowland river. Fundamental and Applied Limnology, eArchiv für Hydrobiologie.
Šlapanský L, Janáč M, Roche KF, Mikl L, Jurajda P (2017). Expansion of round gobies in a non-navigable river system. Limnologica, 67: 27-36.

2016

Adámek Z, Mrkvová M, Zukal J, Roche KF, Mikl L, Šlapanský L, Janáč M, Jurajda P (2016). Environmental quality and natural food performance at feeding sites in a carp (Cyprinus carpio) pond. Aquaculture International, 24: 1591-1606.
Janáč M, Valová Z, Roche KF, Jurajda P (2016). No effect of round goby Neogobius melanostomus colonisation on young-of-the-year fish density or microhabitat use. Biological Invasions, 18: 2333-2347.
Janáč M, Konečná M, Roche KF, Jurajda P (2016). Novelty versus environment: two viewpoints on the same phenomenon?. Ecology of Freshwater Fish, 25: 678-681.
Jurajda P, Adámek Z, Roche KF, Mrkvová M, Štarhová D, Prášek V, Zukal J (2016). Carp feeding activity and habitat utilisation in relation to supplementary feeding in a semi-intensive aquaculture pond. Aquaculture International, 24: 1627-1640.
Jurajda P, Adámek Z, Janáč M, Roche KF, Mikl L, Rederer L, Zapletal T, Koza V, Špaček J (2016). Use of multiple fish-removal methods during biomanipulation of a drinking water reservoir – Evaluation of the first four years. Fisheries Research, 173: 101-108.
Jurajda P, Roche KF, Sedláček I, Všetičková L (2016). Assemblage characteristics and diet of fish in the shallow coastal waters of James Ross Island, Antarctica. Polar Biology, 39: 2299-2309.
Konečná M, Janáč M, Roche KF, Jurajda P (2016). Environment not "nativeness" dictates reproductive trait shifts in Ponto-Caspian gobies. Ecology of Freshwater Fish, 25: 167-170.
Lamand F, Roche KF, Beisel J (2016). Glochidial infestation by the endangered mollusc Unio crassus in rivers of north-eastern France: Phoxinus phoxinus and Cottus gobio as primary fish hosts. Aquatic Conservation Marine and Freshwater Ecosystems, 26: 445-455.
Zapletal T, Adámek Z, Jurajda P, Roche KF, Všetičková L, Mareš J (2016). Consumption of plant material by perch (Perca fluviatilis). Folia zoologica, 65: 95-97.

2015

Jurajda P, Adámek Z, Valová Z, Janáč M, Roche KF (2015). Fish community and fisheries management of Brno Reservoir following revitalisation measures. Folia zoologica, 64: 112-122.
Konečná M, Janáč M, Roche KF, Jurajda P (2015). Variation in life-history traits between a newly established and long-established population of non-native pumpkinseed, Lepomis gibbosus (Actinopterygii: Perciformes: Centrarchidae). Acta Ichthyologica et Piscatoria, 45: 385-392.
Roche KF, Janáč M, Šlapanský L, Mikl L, Kopeček L, Jurajda P (2015). A newly established round goby (Neogobius melanostomus) population in the upper stretch of the river Elbe. Knowledge and Management of Aquatic Ecosystems, 416: 33.
Všetičková L, Janáč M, Roche KF, Jurajda P (2015). Assessment of possible diel and sex-related differences in round goby (Neogobius melanostomus) diet. Folia zoologica, 64: 104-111.

2014

Vašek M, Všetičková L, Roche KF, Jurajda P (2014). Diet of two invading gobiid species (Proterorhinus semilunaris and Neogobius melanostomus) during the breeding and hatching season: No field evidence of extensive predation on fish eggs and fry. Limnologica, 46: 31-36.
Všetičková L, Janáč M, Vašek M, Roche KF, Jurajda P (2014). Non-native western tubenose gobies Proterorhinus semilunaris show distinct site, sex and age-related differences in diet. Knowledge and Management of Aquatic Ecosystems, 414: 1-19.

2013

Janáč M, Jurajda P, Kružíková L, Roche KF, Prášek V (2013). Reservoir to river passage of age-0+ year fishes, indication of a dispersion pathway for a non-native species. Journal of Fish Biology, 82: 994-1010.
Roche KF, Janáč M, Jurajda P (2013). A review of Gobiid expansion along the Danube-Rhine corridor – geopolitical change as a driver for invasion. Knowledge and Management of Aquatic Ecosystems, 411: 01.
Valová Z, Hudcová H, Roche KF, Svobodová J, Bernardová I, Jurajda P (2013). No relationship found between mercury and lead concentrations in muscle and scales of chub Squalius cephalus L. Environmental Monitoring and Assessment, 185: 3359-3368.
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