prof. MVDr. Emil Tkadlec CSc.

Position full-time researcher
Direction population dynamics

+420 585 634 561

Research interests

  • population ecology of mammals,
  • population dynamics,
  • evolutionary and behavioral ecology,
  • rodent pest control.

Education

  • 1982: MVDr. degree – University of Veterinary and Pharmaceutical Sciences Brno.
  • 1991: CSc. degree – Institute of Systematic and Ecological Biology, Academy of Sciences.
  • 1999: Assoc. Prof. of Ecology – Palacky University Olomouc.
  • 2004: Prof. of Ecology – Palacky University Olomouc.

Employment

  • 1987–1989: Institute of Vertebrate Research, Brno – research assistant,
  • 1989–2009: Institute of Systematical and Ecological Biology, Brno – research worker,
  • 1998–2004: Palacky University Olomouc – Associate Professor of Ecology,
  • 2004-present: Palacky University Olomouc – Professor of Ecology, The Head of Department of Ecology and Environmental Sciences, research worker,
  • present: Institute of Vertebrate Biology, Department of Population Biology Studenec – research worker,
  • present: Palacky University Olomouc – Chairman of the Board for PhD Studies at the Faculty of Science and Chairman of the Field Biology at Faculty of Science.

Teaching activities

  • Population ecology, Life history theory, Scientific methodology, Time series analysis in ecology, Seminars to Diploma and Ph.D. Thesis.

Current Ph.D. students

  • Mgr. Petr Pavluvčík (since 2010),
  • Mgr. Ivana Petrová (since 2012).

Former Ph.D. students

  • L.Trebatická: Life history variation in small mammals with fluctuating numbers: from individual decisions to population dynamics, (2008, supervisor E.Tkadlec).
  • L.Lisická: Population indices in studying dynamics of small mammals, (2007, supervisor E.Tkadlec).
  • J.Losík: Modelling of demographic processes in populations of small mammals, (2007, supervisor E.Tkadlec).
  • E.Jánová: Variation of demographic structure in populations of the common vole in agriculturallandscape, (2006, supervisor E.Tkadlec).
  • J.Bryja: Demographic characteristics of the common vole (Microtus arvalis) population in southern Moravia, (2000, consultant E.Tkadlec).
  • P.Krejčová-Šťastná: The effect of fotoperiod on life-history traits in the common vole Microtus arvalis, (1997, consultant E.Tkadlec).

Publications

2019

Tkadlec E, Václavík T, Široký P (2019). Rodent host abundance and climate variability as predictors of tickborne disease risk 1 year in advance. Emerging Infectious Diseases, 25: 1738-1741.

2018

Petrová I, Petriláková M, Losík J, Gouveia A, Damugi IED, Tkadlec E (2018). Density-related pattern of variation in body growth, body size and annual productivity in the common hamster. Mammalian Biology, 91: 34-40.
Tkadlec E, Václavík T, Kubelová M, Široký P (2018). Negative spatial covariation in abundance of two European ticks: diverging niche preferences or biotic interaction?. Ecological Entomology, 43: 804-812.

2017

Elfeki M, Elbestawy E, Tkadlec E (2017). Bioconversion of Egypt's agricultural wastes into biogas and compost. Polish Journal of Environmental Studies, 26: 2445-2453.

2016

Gouveia AR, Bjornstad ON, Tkadlec E (2016). Dissecting geographic variation in population synchrony using the common vole in central Europe as a test bed. Ecology and Evolution, 6: 212-218.

2015

Gouveia A, Bejček V, Flousek J, Sedláček F, Šťastný K, Zima J, Yoccoz NG, Stenseth NC, Tkadlec E (2015). Long-term pattern of population dynamics in the field vole from central Europe: cyclic pattern with amplitude dampening. Population Ecology, 57: 581-589.
Pavluvčík P, Poprach K, Machar I, Losík J, Gouveia A, Tkadlec E (2015). Barn owl productivity response to variability of vole populations. PLoS ONE, 10: e0145851.
Sobek Jr. A, Zbořilová B, Procházka M, Šilhánová E, Koutná O, Klásková E, Tkadlec E, Sobek A (2015). High incidence of monozygotic twinning after assisted reproduction is related to genetic information, but not to assisted reproduction technology itself. Fertility and Sterility, 103: 756-760.
Šálek M, Drahníková L, Tkadlec E (2015). Changes in home range sizes and population densities of carnivore species along the natural to urban habitat gradient. Mammal Review, 45: 1-14.

2014

Šálek M, Červinka J, Pavluvčík P, Poláková S, Tkadlec E (2014). Forest-edge utilization by carnivores in relation to local and landscape habitat characteristics in central European farmland. Mammalian Biology, 79: 176-182.

2013

Cornulier T, Yoccoz NG, Bretagnolle V, Brommer JE, Butet A, Ecke F, Elston DA, Framstad E, Henttonen H, Hornfeldt B, Huitu O, Imholt C, Ims RA, Jacob J, Jedrzejewska B, Millon A, Petty SJ, Pietiainen H, Tkadlec E, Zub K, Lambin X (2013). Europe-wide dampening of population cycles in keystone herbivores. Science, 340: 63-66.
Hušek J, Adamík P, Albrecht T, Cepák J, Kania W, Mikolášková E, Tkadlec E, Stenseth NC (2013). Cyclicity and variability in prey dynamics strengthens predator numerical response: the effects of vole fluctuations on white stork productivity. Population Ecology, 55: 363-375.

2012

Suchomel J, Purchart L, Heroldová M, Homolka M, Kamler J, Tkadlec E (2012). Vole damage to planted tree regeneration conditioned by some environmental factors. Austrian Journal of Forest Science, 129: 56-65.
Tkadlec E, Heroldová M, Víšková V, Bednář M, Zejda J (2012). Distribution of the common hamster in the Czech Republic after 2000: retreating to optimum lowland habitats. Folia zoologica, 61: 246-253.

2011

Heroldová M, Homolka M, Tkadlec E, Kamler J, Suchomel J, Purchart L, Krojerová J, Barančeková M, Turek K, Baňař M (2011). Vole impact on tree regeneration: insights into forest management. Julius-Kühn-Archiv, 432: 101-102.
Heroldová M, Tkadlec E (2011). Harvesting behaviour of three central European rodents: Identifying the rodent pest in cereals. Crop Protection, 30: 82-84.
Kubelová M, Tkadlec E, Bednář M, Roubalová E, Široký P (2011). West-to-east differences of Babesia canis canis prevalence in Dermacentor reticulatus ticks in Slovakia. Veterinary Parasitology, 180: 191-196.
Široký P, Kubelová M, Bednář M, Modrý D, Hubálek Z, Tkadlec E (2011). The distribution and spreading pattern of Dermacentor reticulatus over its threshold area in the Czech Republic—How much is range of this vector expanding?. Veterinary Parasitology, 183: 130-135.
Tkadlec E, Suchomel J, Purchart L, Heroldová M, Čepelka L, Homolka M (2011). Synchronous population fluctuations of forest and field voles: implications for population management. Julius-Kühn-Archiv, 432: 97-98.
Tkadlec E, Lisická-Lachnitová L, Losík J, Heroldová M (2011). Systematic error is of minor importance to feedback structure estimates derived from time series of nonlinear population indices. Population Ecology, 53: 495-500.

2010

Heroldová M, Čižmář D, Tkadlec E (2010). Predicting rodent impact in crop fields by near-infrared reflectance spectroscopy analysis of their diet preferences. Crop Protection, 29: 773-776.
Heroldová M, Pejčoch M, Bryja J, Jánová E, Suchomel J, Tkadlec E (2010). Tula virus in populations of small terrestrial mammals in a rural landscape. Vector-Borne and Zoonotic Diseases, 10: 599-603.
Martínková N, Bačkor P, Bartonička T, Blažková P, Červený J, Falteisek L, Gaisler J, Hanzal V, Horáček D, Hubálek Z, Jahelková H, Kolařík M, Korytár Ľ, Kubátová A, Lehotská B, Lehotský R, Lučan RK, Májek O, Matějů J, Řehák Z, Šafář J, Tájek P, Tkadlec E, Uhrin M, Wagner J, Weinfurtová D, Zima J, Zukal J, Horáček I (2010). Increasing incidence of Geomyces destructans fungus in bats from the Czech Republic and Slovakia. PLoS ONE, 5: e13853.
Sobek Jr. A, Tkadlec E, Hladíková B, Sobek A (2010). Is there a declining trend in ovarian function among infertility clinic patients?. Human Reproduction, 25: 127-132.
Tkadlec E, Heroldová M, Obdržálková D, Zejda J, Zapletal M (2010). Monitoring a předpovídání populační početnosti hraboše polního. Rostlinolékař, 2010: 15-171210 .

2007

Heroldová M, Bryja J, Zejda J, Tkadlec E (2007). Structure and diversity of small mammal communities in agriculture landscape. Agriculture, Ecosystems and Environment, 120: 206-210.
Honza M, Požgayová M, Procházka P, Tkadlec E (2007). Consistency in egg rejection behaviour: responses to repeated brood parasitism in the blackcap (Sylvia atricapilla). Ethology, 113: 344-351.
Jánová E, Nesvadbová J, Tkadlec E (2007). Is the eye lens method of age estimation reliable in voles?. Folia zoologica, 56: 119-125.
Jánová E, Havelková D, Tkadlec E (2007). Does reproduction accelerate the growth of eye lens mass in female voles?. Belgian Journal of Zoology, 137: 85-88.
Lisická L, Losík J, Zejda J, Heroldová M, Nesvadbová J, Tkadlec E (2007). Measurement error in a burrow index to monitor relative population size in the common vole. Folia zoologica, 56: 169-176.
Losík J, Lisická L, Hříbková J, Tkadlec E (2007). Demografická struktura a procesy v přírodní populaci křečka polního (Cricetus cricetus) na Olomoucku. Lynx, 38: 21-29.
Skorič M, Shitaye EJ, Halouzka R, Fictum P, Trčka I, Heroldová M, Tkadlec E, Pavlík I (2007). Tuberculous and tuberculoid lesions in free living small terrestrial mammals and the risk of infection to humans and animals: a review. Veterinární medicína, 52: 144-161.
Zbořil J, Hladíková B, Tkadlec E (2007). Populační dynamika zajíce polního (Lepus europaeus) na střední Moravě. Lynx, 38: 89-97.

2006

Berteaux D, Humphries MH, Krebs CJ, Lima M, McAdam AG, Pettorelli N, Réale D, Saitoh T, Tkadlec E, Weladji RB, Stenseth NC (2006). Constraints to projecting the effects of climate change on mammals. Climate Research, 32: 151-158.
Hájková P, Zemanová B, Bryja J, Hájek B, Roche K, Tkadlec E, Zima J (2006). Factors affecting success of PCR amplification of microsatellite loci from otter faeces. Molecular Ecology Notes, 6: 559-562.
Tkadlec E, Zbořil J, Losík J, Gregor P, Lisická L (2006). Winter climate and plant productivity predict abundances of small herbivores in central Europe. Climate Research, 32: 99-108.

2005

Bryja J, Nesvadbová J, Heroldová M, Jánová E, Losík J, Trebatická L, Tkadlec E (2005). Common vole (Microtus arvalis) population sex ratio: biases and process variation. Canadian Journal of Zoology - Revue Canadienne de Zoologie, 83: 1391-1399.
Heroldová M, Jánová E, Bryja J, Tkadlec E (2005). Set-aside plots - source of small mammal pests?. Folia zoologica, 54: 337-350.
Ležalová R, Tkadlec E, Oborník M, Šimek J, Honza M (2005). Should males come first? The relationship between offspring hatching order and sex in the black-headed gull Larus ridibundus. Journal of Avian Biology, 36: 478-483.

2004

Dyrcz A, Sauer-Gurth H, Tkadlec E, Wink M (2004). Offspring sex ratio variation in relation to brood size and mortality in a promiscuous species: the Aquatic Warbler Acrocephalus paludicola. Ibis, 146: 269-280.
Zejda J, Zapletal M, Heroldová M, Tkadlec E (2004). Analýza časně jarního vzorku populace hraboše polního (Microtus arvalis). Lynx, 35: 247-252.

2003

Jánová E, Heroldová M, Nesvadbová J, Bryja J, Tkadlec E (2003). Age variation in a fluctuating population of the common vole. Oecologia, 137: 527-532.

2001

Bryja J, Tkadlec E, Nesvadbová J, Gaisler J, Zejda J (2001). Comparison of enumeration and Jolly-Seber estimation of population size in the common vole Microtus arvalis. Acta Theriologica, 46: 279-285.
Krackow S, Tkadlec E (2001). Analysis of brood sex ratios: implications of offspring clustering. Behavioral Ecology and Sociobiology, Roc. 50: 293-301.
Tkadlec E, Krejčová P (2001). Age-specific effect of parity on litter size in the common vole (Microtus arvalis). Journal of Mammalogy, 82: 545-550.
Tkadlec E, Stenseth NC (2001). A new geographical gradient in vole population dynamics. Proceedings of the Royal Society B-Biological Sciences, 268: 1547-1552.

2000

Tkadlec E (2000). Populační dynamika zajíce polního na okrese Prostějov. Přírodovědné studie Muzea Prostějovska, 3: 133-149.
Tkadlec E (2000). The effects of seasonality on variation in the length of breeding season in arvicoline rodents. Folia zoologica, 49: 269-286.

1998

Tkadlec E, Zejda J (1998). Density-dependent life histories in female bank voles from fluctuating populations. Journal of Animal Ecology, 67: 863-873.
Tkadlec E, Zejda J (1998). Small rodent population fluctuations: The effects of age structure and seasonality. Evolutionary Ecology, 12: 191-210.

1997

Tkadlec E, Rychnovský B (1997). Drobní terestričtí obratlovci a střevlíkovití brouci na Mohelenské hadcové stepi. Přírodovědný sborník Západomoravského muzea v Třebíči=Acta Scientiarum Naturalium Musei Moraviae Occidentalis, 28: 57-81.
Tkadlec E (1997). Early age of vaginal opening in common voles (Microtus arvalis). Folia zoologica, 46: 1-7.

1995

Tkadlec E, Zejda J (1995). Precocious breeding in female common voles and its relevance to rodent fluctuations. Oikos, 73: 231-236.

1994

Tkadlec E, Havelková D (1994). Determination of sex in live pups of the common vole (Microtus arvalis) shortly after birth. Folia zoologica, 43: 21-24.
Tkadlec E (1994). Response of voles to the concentration of crimidine in rodenticidal baits. Crop Protection, 13: 474-478.

1993

Tkadlec E, Gattermann R (1993). Circadian changes in susceptibility of voles and golden hamsters to acute rodenticides. Journal of Interdisciplinary Cycle Research, 24: 153-161.
Tkadlec E (1993). Crimidine Hazards to Scavengers. Folia zoologica, 42: 289-293.