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Global Change Research Institute, CAS

Ing. Matěj Orság, Ph.D.


Position: postdoc researcher

Branch: Department of Climate Change Impacts on Agroecosystems

Workplace: MendelGlobeZemědělská 1665/1Brno613 00



Research Focus

Area of micrometeorology and agricultural science. Main focus on measurement of water fluxes from agricultural landscape (sap flow, eddy covariance, Bowen ratio energy balance method). Management, analysis, interpretation and publication of data outputs. Technical support for a network of meteorological weather stations and other infrastructure at the experimental measurement sites accross the Czech Republic and Austria.


2017 – PhD degree in the field of General Plant Production, PhD thesis topic: Agrometeorological aspects of growth and developmnet of short rotation coppice. PhD thesis supervisor prof. Mgr. Ing. Miroslav Trnka, PhD.

2009 – MSc. in Agroecology, Mendel University in Brno

2006 – Bc. in Agroecology, Mendel University in Brno

Important research visits and fellowships

2019 – 2020 – scholarship from programme Support for perspective human resources of the Czech Academy of Sciences.

2015 – two weeks internship at the Centre of Excellence Plant & Vegetation Ecology (PLECO), at Universiteit Antverpen, Antverp, Belgium. A lecture about my work within CzechGlobe was given to fellows from PLECO.

2012 – scholarship within the project AKTION – 3 months study project at BOKU university, Vienna, Austira

2012 – 2014 – US, North Carolina State University, 5 study trips or measuring campaigns, 3 months in total.

2007 – 2008 – 10 months of Erasmus fellowship, UPV Valencia, Spain


European Geosciences Union (EGU) – řadové členství od 2011

Brief scientometrics

November 2023

H-index according to WOS/GoogleScholar: 8 / 8

number of publications in WOS: 30

number of citations in WOS/GoogleScholar: 230 / 363

ResearcherID: G-9765-2014

ORCID ID:       0000-0003-4289-5933


Orság M., Meitner J., Fischer M., Svobodová E., Kopp R., Mareš J., Spurný P., Pechar L., Beděrková I., Hanuš J., Semerádová D., Balek J., Radojičić M., Hanel M., Vizina A., Žalud Z., Trnka M. Estimating Heat Stress Effects on the Sustainability of Traditional Freshwater Pond Fishery Systems under Climate Change. Water. 2023; 15(8):1523., IF 3.53

Fischer, M., Katul, G., Noormets, A., Pozníková, G., Domec, J.-C., Orság, M., Žalud, Z., Trnka, M. and King, J. S. (2023). Merging flux-variance with surface renewal methods in the roughness sublayer and the atmospheric surface layer, Agricultural and Forest Meteorology, 342, 109692,, IF 6.2

Thaler, S., Pohankova, E., Eitzinger, J., Hlavinka, P., Orság, M., Lukas, V., Brtnický, M., Růžek, P., Šimečková, J., Ghisi, T., Bohuslav, J., Klem, K. and Trnka, M. (2023) ‘Determining Factors Affecting the Soil Water Content and Yield of Selected Crops in a Field Experiment with a Rainout Shelter and a Control Plot in the Czech Republic’, Agriculture, 13(7), 1315, doi:10.3390/agriculture13071315, IF 3.6

Ghisi, T., Fischer, M., Kowalska, N., Jocher, G., Orság, M., Bláhová, M., Nieto, H., Homolová, L., Žalud, Z. and Trnka, M. (2023). Faster evapotranspiration recovery compared to canopy development post clearcutting in a floodplain forest, Forest Ecology and Management, 532, 120828,, IF 4.38

Orság, M., Fischer, M., Trnka, M., Brotan, J., Pozníková, G., & Žalud, Z. (2022). Trends in Air Temperature and Precipitation in Southeastern Czech Republic, 1961-2020. Acta Univ. Agric. Silvic. Mendel. Brun.70(4-5), 283-294. doi: 10.11118/actaun.2022.021

Herndl, M., Vremec, M., Forstner, V., Orság, M. and Birk, S. (2021). Vergleich von Lysimeter- und Szintillometerverdunstung mit Referenzverdunstungsmethoden, 19. Gumpensteiner Lysimetertagung 2021, Höhere Bundeslehr und Forschungsanstalt für Landwirtschaft Raumberg-Gumpenstein, pp 7-16, ISBN: 978-3-902849-83-0

Pozníková, G., Hlavinka, P., Fischer, M., Orság, M., Žalud, Z. and Trnka, M. (2021). Using Scintillometry to Estimate Actual Sugar Beet Evapotranspiration, Czech Sugar and Sugar Beet Journal, 137(2), 54, ISSN 1210-3306, IF 0.25

Orság, M., Fischer, M., Tripathi, A. M., Žalud, Z., Trnka, M. (2018). Sensitivity of short rotation poplar coppice biomass productivity to the throughfall reduction – Estimating future drought impacts. Biomass and Bioenergy, 109: 182-189, doi: 10.1016/j.biombioe.2017.12.028, IF 3.358

Pozníková, G., Fischer, M., Kesteren, B., Orság, M., Hlavinka, P., Žalud, Z., Trnka, M. (2018). Quantifying turbulent energy fluxes and evapotranspiration in agricultural field conditions: A comparison of micrometeorological methods. Agricultural Water Management, 209: 249-263, doi10.1016/j.agwat.2018.07.041, IF 3.182

Tripathi, A. M., Klem, K., Fischer, M., Orság, M., Trnka, M., Marek, M. V. (2018). Water availability influences accumulation and allocation of nutrients and metals in short-rotation poplar plantation. Biomass and Bioenergy, 116: 151-160. doi: 10.1016/j.biombioe.2018.06.010, IF 3.358

Pohanková, E., Hlavinka, P., Orság, M., Takáč, J., Kersebaum, K. C., Gobin, A., Trnka, M. (2018). Estimating the water use efficiency of spring barley using crop models. The Journal of Agricultural Science. 1-17. doi: 10.1017/S0021859618000060, IF 1.186

Hlaváčová, M., Klem, K., Rapantová, B., Novotná, K., Urban, O., Hlavinka, P.,  Smutná, P., Horáková, V., Škarpa, P., Pohanková, E.,  Wimmerová, M., Orság, M.,  Jurečka, F., Trnka, M. (2018). Interactive effects of high temperature and drought stress during stem elongation, anthesis and early grain filling on the yield formation and photosynthesis of winter wheat. Field Crops Research221: 182-195, doi: 10.1016/j.fcr.2018.02.022, IF 3.127

Tripathi, A. M., Pohanková, E., Fischer, M., Orság, M., Trnka, M., Klem, K., Marek, M. V. (2018). The Evaluation of Radiation Use Efficiency and Leaf Area Index Development for the Estimation of Biomass Accumulation in Short Rotation Poplar and Annual Field Crops. Forests, 9(4): 168, doi:  10.3390/f9040168, IF 1.956

Fischer, M., Zenone, T., Trnka, M., Orság, M., Montagnani, L., Ward, E. J., Tripathi, A., M., Hlavinka, P., Seufert, G., Žalud, Z., King, J., S., Ceulemans, R. (2017). Water requirements of short rotation poplar coppice: Experimental and modelling analyses across Europe. Agricultural and Forest Meteorology, 250-251: 343-360, doi: 10.1016/j.agrformet.2017.12.079, IF 4.039

Trnka, M., Fischer, M., Bartošová, L., Orság, M., Kyncl, T., Ceulemans, R., King, J., S., Büntgen, U. (2016). Potential and limitations of local tree ring records in estimating a priori the growth performance of short-rotation coppice plantations. Biomass and Bioenergy, 92: 12-19, doi: 10.1016/j.biombioe.2016.05.026, IF 3.358

Fischer, M., Trnka, M., Kučera, J., Deckmyn, G., Orság, M., Sedlák, P., Žalud, Z., Ceulemans, R. (2013). Evapotranspiration of a high-density poplar stand in comparison with a reference grass cover in the Czech-Moravian Highlands. Agricultural and Forest Meteorology, 181: 43-60,  doi: 10.1016/j.agrformet.2013.07.004, IF 4.039

Orság, M., Fischer, M., Trnka, M., Tripathi, A., M., Žalud, Z. (2013). Transpiration of poplar based short rotation coppice under drought stress. Acta Horticulturae, 991: 231-237, doi: 10.17660/ActaHortic.2013.991.28

Fischer, M., Orság, M., Trnka, M., Pohanková, E., Hlavinka, P., Tripathi, A. M., Žalud, Z. (2013). Annual and intra-annual water balance components of a short rotation poplar coppice based on sap flow and micrometeorological and hydrological approaches. Acta Horticulturae, 991: 401-408, doi: 10.17660/ActaHortic.2013.991.49

Hlavinka, P., Trnka, M., Kersebaum, K. C., Čermák, P., Pohanková, E., Orság, M., Pokorný, E., Fischer, M., Brtnický, M., Žalud, Z. (2013). Modelling of yields and soil nitrogen dynamics for crop rotations by HERMES under different climate and soil conditions in the Czech Republic. Journal of Agricultural Science, 152(02): 188-204, doi 10.1017/s0021859612001001, IF 1.186