RNDr. Marek Šmejkal, Ph.D.

Position Job Position: Research Scientist
Department: Department of Fish and Zooplankton Ecology (FZE)
Workplace: Institute of Hydrobiology

Contact details Phone: +420 387 77 5856, +420 778 485 295
Web: https://www.researchgate.net/profile/Marek-Smejkal
E-mail: marek.smejkal@hbu.cas.cz
Room: 327NB

Others Description:

My main interest at the moment is the invasive ecology of fish, focusing on competition in small lowland ponds and human-made secondary water bodies. Here, I focus on a model example of competition between the native and critically endangered crucian carp (Carassius carassius) and the invasive gibel carp (C. gibelio). To save the disappearing crucian carp, a citizen science website www.zachrankarase.cz/en/ has been created, which serves the public for uploading tips on its last known occurrences. Based on the verification of this data, the repatriation of this species is proceeding again in selected areas of the Czech Republic.

CV: Date of birth: 9.3.1988, Prague, Czech Republic Education: 2007-2010 BSc. Faculty of Science of Charles University in Prague, CR(Thesis: The importance of various types of habitats in reservoirs for fish). 2010-2013 MSc. Faculty of Science University of South Bohemia, CR (Thesis: The importance of various types of littoral habitats for fish in reservoirs). 2013-2017 PhD. student, Faculty of Science University of South Bohemia, CR (Thesis:Ecology of top fish predators, European catfish and asp, with consequences to fish communities) 2013, 2015, 2021 – research visit in Lund University, Sweden (Department of aquatic ecology) Scientific and proffesional experience: 2009 - 2017 part-time job as a student at the Institute of Hydrobiology 2017 - 2019 - postdoc at the Institute of Hydrobiology since 2020 researcher position at the Institute of Hydrobiology Web of Science ResearcherID: E-1269-2017, Total publications: 68, H-index: 16, Sum of times cited: 710 Projects - main investigator SFŽP - Engaging youth in the conservation of critically endangered fish species as part of landscape water retention measures (2024-2025) Strategie AV 21, Water and life, Save the crucian carp (2023, Czech Academy of Science) TJ02000012 The enhancement of rheophilous fish reproduction in the artificial river environment, TACR QK1920326 Aquaculture of rheophilous fish, GA MZe (main investigator for Biology centre) 580300/992200 Strategie AV 21, Role of pheromones on spawning migration timing in fish (2017-2019, Czech Academy of Science)

Total found: 102 records
Gorule P.A., Šmejkal M., Tapkir S., Stepanyshyna Y., Stejskal V., Follesa M.C., Cau A. (2024) Long-term sublethal exposure to polyethylene and tire wear particles: Effects on risk-taking behaviour in invasive and native fish. Science of the Total Environment 908: 168233. DOI: 10.1016/j.scitotenv.2023.168233
Lennox R.J. , Afonso P., Birnie-Gauvin K. , Dahlmo L.S., Nilsen C.I., Arlinghaus R. , Cooke S.J., Souza A.T., Jarić I., Prchalová M., Říha M., Westrelin S., Twardek W., Aspillaga E., Kraft S., Šmejkal M., Baktoft H., Brodin T., Hellström G., Villegas-Ríos D., Vollset K.W., Adam T., Sortland L.K., Bertram M.G., Crossa M., Vogel E.F., Gillies N., Reubens J. (2024) Electronic tagging and tracking aquatic animals to understand a world increasingly shaped by a changing climate and extreme weather events. Canadian Journal of Fisheries and Aquatic Sciences 81: 326–339. DOI: 10.1139/cjfas-2023-0145
Šmejkal M., Dočkal O., Thomas K., Verma C.R., Kumkar P., Kalous L. (2024) First record of highly invasive Chinese sleeper Perccottus glenii Dybowski, 1877 (Perciformes: Odontobutidae) in the Elbe River Basin, Czechia. Aquatic Ecology 58: 125–130. DOI: 10.1007/s10452-023-10036-8
Šmejkal M., Thomas K., Kořen V., Kubečka J. (2024) The 50-year history of anglers' record catches of genus Carassius: circumstantial evidence of wiping out the native species by invasive conspecific. NeoBiota 92: 111-128. DOI: 10.3897/neobiota.92.121288
Šmejkal M., Thomas K., Šmejkalová Z., Stepanyshyna Y., Bartoň D., Tapkir S., Meador T.B., Vašek M. (2024) Isotopic niches reveal the impact of topmouth gudgeon and gibel carp on native crucian carp. NeoBiota 93: 203-224. DOI: 10.3897/neobiota.93.119274
Tesfaye M., Jůza T., Šmejkal M., Hejzlar J., Čech M., Prchalová M., Muška M., Tušer M., Kočvara L., Sajdlová Z., Draštík V., Říha M., Vašek M., Blabolil P., Symonová R., Brabec M., Kubečka J., Souza A.T. (2024) The impact of climatic conditions and food availability on bimodality size structure and density of YOY pikeperch (Sander lucioperca). Hydrobiologia 851: 3665–3681. DOI: 10.1007/s10750-024-05527-0
Bartoň D., Sajdlová Z., Kolařík T., Kubečka J., Duras J., Kortan D., Šmejkal M. (2023) Use of a flow deflector to protect rheophilic fish spawning grounds during hydropeaking. River Research and Applications 39: 561–569. DOI: 10.1002/rra.4084
Blabolil P., Bartoň D., Duras J., Šmejkal M., Muška M. (2023) Rybí společenstvo vodní nádrže Láz v Brdech v roce 2020. [Fish community in the Láz water reservoir in the Brdy Highlands in 2020.] Bohemia centralis 38: 191–202.
Kubečka J., Souza A., Soukalová K., Čech M., Šmejkal M., Ďurišová J., Svojtka M. (2023) S otolity za tajemstvími candátů. [With otoliths after the secrets of pikeperch.] Rybářství 1: 56-59.
Ribeiro de Moraes K., Souza A., Muška M., Hladík M., Čtvrtlíková M., Draštík V., Kučerová A., Krolová M., Sajdlová Z., Šmejkal M., Kubečka J. (2023) Artificial floating islands: a promising tool to support juvenile fish in lacustrine systems. Hydrobiologia 850: 1969–1984. DOI: 10.1007/s10750-023-05204-8
Říha M., Prchalová M., Brabec M., Draštík V., Muška M., Tušer M., Bartoň D., Blabolil P., Čech M., Frouzová J., Holubová M., Jůza T., Ribeiro de Moraes K., Rabaneda Bueno R., Sajdlová Z., Souza A., Šmejkal M., Vašek M., Vejřík L., Vejříková I., Peterka J., Kubečka J. (2023) Calibration of fish biomass estimates from gillnets: Step towards broader application of gillnet data. Ecological Indicators 153: 110425. DOI: 10.1016/j.ecolind.2023.110425
Šmejkal M. (2023) Není karas jako karas aneb Zachraň karase! [Not all carps are alike - Save the crucian carp.] Rybářství 7: 29-31.
Šmejkal M., Bartoň D., Blabolil P., Kolařík T., Kubečka J., Sajdlová Z., Souza A., Brabec M. (2023) Diverse environmental cues drive the size of reproductive aggregation in a rheophilic fish. Movement Ecology 11: 16. DOI: 10.1186/s40462-023-00379-0
Šmejkal M., Bartoň D., Duras J., Horký P., Muška M., Kubečka J., Pfauserová N., Tesfaye M., Slavík O. (2023) Living on the edge: Reservoirs facilitate enhanced interactions among generalist and rheophilic fish species in tributaries. Frontiers in Environmental Science 11: 1099030. DOI: 10.3389/fenvs.2023.1099030
Tapkir S., Thomas K., Kalous L., Vašek M., Meador T.B., Šmejkal M. (2023) Invasive gibel carp use vacant space and occupy lower trophic niche compared to endangered native crucian carp. Biological Invasions 25: 2917–2928. DOI: 10.1007/s10530-023-03081-9
Tapkir S., Thomas K., Kalous L., Vašek M., Meador T.B., Šmejkal M. (2023) Invasive gibel carp use vacant space and occupy lower trophic niche compared to endangered native crucian carp Biological Invasions 25: 2917–2928. DOI: 10.1007/s10530-023-03081-9
Tesfaye M., Souza, A.T., Soukalová K., Šmejkal M., Hejzlar J., Prchalová M., Říha M., Muška M., Vašek M., Frouzová J., Blabolil P., Boukal D., Kubečka J. (2023) Somatic growth of pikeperch (Stizostedion lucioperca) in relation to variation in temperature and eutrophication in a Central Europe Lake. Fisheries Research 267: 106824. DOI: 10.1016/j.fishres.2023.106824
Thomas K., Brabec M., Tapkir S., Gottwald M., Bartoň D., Šmejkal M. (2023) Sampling bias of invasive gibel carp and threatened crucian carp: Implications for conservation. Global Ecology and Conservation 48: e02718. DOI: 10.1016/j.gecco.2023.e02718
Thomas K., Šmejkal M., Nameer P.O. (2023) Feeding ecology of a lesser-known arboreal giant: Grizzled Giant Squirrel (Ratufa macroura), Southern Western Ghats, India. Ecology and Evolution 13: e10765. DOI: 10.1002/ece3.10765
Vejřík L., Vejříková I., Blabolil P., Sajdlová Z., Kočvara L., Kolařík T., Bartoň D., Jůza T., Šmejkal M., Peterka J., Čech M. (2023) Trophic position of the species and site trophic state affect diet niche and individual specialization: From apex predator to herbivore. Biology 12: 1113. DOI: 10.3390/biology12081113

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RNDr. Marek Šmejkal, Ph.D.

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