Mgr. Josef Hájek, Ph.D.

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found: 94 records, displayed 1 - 30

 
2016

BARTÁK, Miloš - HAZDROVÁ, Jana - SKÁCELOVÁ, Kateřina - HÁJEK, Josef.
Dehydration-induced responses of primary photosynthetic processes and spectral reflectance indices in Antarctic Nostoc commune. Czech Polar Reports, Brno, Masarykova univerzita. ISSN 1805-0689, 2016, vol. 6, no. 1, pp. 87-95.


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BARTÁK, Miloš - PROŠEK, Pavel - LÁSKA, Kamil - NÝVLT, Daniel - HRBÁČEK, Filip - VÁCZI, Peter - SEDLÁČEK, Ivo - HÁJEK, Josef - CHATTOVÁ, Barbora - SNOPKOVÁ, Kateřina.
Ecological research of James Ross Island. Ecosystem components-based approach to study structure and function of Antarctic vegetation oases. In Book of Abstracts. Kuala Lumpur : Ministry of Science, Technology and Innovation, Malaysia, 2016. ISBN 978-0-948277-32-0, pp. 750-751. 19.8.2016, Kuala Lumpur, Malajsie.


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BARTÁK, Miloš - PROŠEK, Pavel - HÁJEK, Josef - NÝVLT, Daniel - LÁSKA, Kamil - VÁCZI, Peter - CHATTOVÁ, Barbora - KAPLER, Pavel - HRBÁČEK, Filip.
Educational outreaches of the CzechPolar project and associated activities within the Czech Antarctic Programme. In Book of Abstracts. SCAR Open Science Conference. Vyd. 1. Kuala Lumpur : Ministry of Science, Technology, and Innovation (Malaysia), 2016. ISBN 978-0-948277-32-0, pp. 790-791. 19.8.2016, Kuala Lumpur.


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2015

BARTÁK, Miloš - HÁJEK, Josef - HAZDROVÁ, Jana - SKÁCELOVÁ, Kateřina - VÁCZI, Peter.
Biovědy v Antarktidě. Současný stav a perspektivy biologického výzkumu v Antarktidě. 2015. CZE, Brno. 7.12.2015 - 7.12.2015, European Activity.


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BARTÁK, Miloš - HÁJEK, Josef - HAZDROVÁ, Jana (Eds.).
Czech Polar Reports, Vol. 5, No.1, No. 2. Vyd. 1. Brno : MUNI Press, 2015. 240 pp.


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BARTÁK, Miloš - TRNKOVÁ, Kateřina - HANSEN, Erik Steen - HAZDROVÁ, Jana - SKÁCELOVÁ, Kateřina - HÁJEK, Josef - FORBELSKÁ, Marie.
Effect of dehydration on spectral reflectance and photosynthetic efficiency in Umbilicaria arctica and U. hyperborea. Biologia Plantarum, Academia. ISSN 0006-3134, 2015, vol. 59, no. 2, pp. 357-365.


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MISHRA, Anamika - HÁJEK, Josef - TUHÁČKOVÁ, Tereza - BARTÁK, Miloš - MISHRA, Kumud Bandhu.
Features of chlorophyll fluorescence transients can be used to investigate low temperature induced effects on photosystem II of algal lichens from polar regions. Czech Polar Reports, Brno, Masarykova univerzita. ISSN 1805-0689, 2015, vol. 5, no. 1, pp. 99-111.


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BARTÁK, Miloš - HAZDROVÁ, Jana - JÁCHYMOVÁ, Gabriela - PLÁTENÍKOVÁ, Eva - MONTEIRO ESTEVAO, Diogo Miguel - HÁJEK, Josef - SKÁCELOVÁ, Kateřina - VÁCZI, Peter - BALARINOVÁ, Kateřina.
Parametry fotosyntézy a syntéza UV-B absorbujících látek se mezidruhově liší u Antarktických lišejníků vystavených doplňkovému UV-B záření. 2015. Publised in: Bulletin ČSEBR, 2015, 15(1): p. 69 (Poster P4-1).


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BARTÁK, Miloš - HAZDROVÁ, Jana - SKÁCELOVÁ, Kateřina - TRNKOVÁ, Kateřina - VÁCZI, Peter - HÁJEK, Josef.
Resistance of Antarctic Nostoc sp. colonies to dehydration assessed by chlorophyll fluorescence parameters and spectral reflectance. 2015. ISBN 978-80-7394-528-2.


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HÁJEK, Josef.
výkonný editor mezinárodního odborného časopisu Czech Polar Reports (SCOPUS platforma). 2015.


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2014

CONTI, Stefano - HAZDROVÁ, Jana - HÁJEK, Josef - OČENÁŠOVÁ, Petra - BARTÁK, Miloš - SKÁCELOVÁ, Kateřina - ADAMO, Paola.
Comparative analysis of heterogeneity of primary photosynthetic processes within fruticose lichen thalli: Preliminary study of interspecific differences. Czech Polar Reports, Brno, Masarykova univerzita. ISSN 1805-0689, 2014, vol. 4, no. 2, pp. 149-157.


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HÁJEK, Josef - VÁCZI, Peter - NÝVLT, Daniel - LÁSKA, Kamil - HAZDROVÁ, Jana - SKÁCELOVÁ, Kateřina - TRNKOVÁ, Kateřina - KAPLER, Pavel - BARTÁK, Miloš.
ECOSYS 2014 - Functioning of Antarctic Terrestrial Ecosystems in Changing Environment. 2014. CZE, České Budějovice. 23.9.2014 - 24.9.2014, Worldwide Activity.


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BALARINOVÁ, Kateřina - BARTÁK, Miloš - HAZDROVÁ, Jana - HÁJEK, Josef - JÍLKOVÁ, Jana.
Changes in photosynthesis, pigment composition and glutathione contents in two Antarctic lichens during a light stress and recovery. Photosynthetica, Elsevier, The Nederlands. ISSN 0300-3604, 2014, vol. 52, no. 4, pp. 538-547.


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TRNKOVÁ, Kateřina - HAZDROVÁ, Jana - KVÍDEROVÁ, Jana - HÁJEK, Josef - BARTÁK, Miloš.
Changes in spectral properties and chlorophyll fluorescence of Nostoc commune colonies from Svalbard during dehydration and supplemental UV-B stress. In Polar Ecology Conference 2014. České Budějovice : Neuveden, 2014. ISBN 978-80-7394-463-6, pp. 149-150. 21.9.2014, České Budějovice.


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OČENÁŠOVÁ, Petra - BARTÁK, Miloš - HÁJEK, Josef.
Photoinhibition of photosynthesis in Antarctic lichen Usnea antarctica. II. Analysis of non-photochemical quenching mechanisms activated by low to medium light doses. Czech Polar Reports, Masarykova univerzita. ISSN 1805-0689, 2014, vol. 4, no. 1, pp. 90-99.


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RÓTH, Matěj - LVONČÍK, Samuel - HÁJEK, Josef - BARTÁK, Miloš.
Photosynthesis of in vitro-cultivated Boswellia amaero trees as affected by high light doses: A complex fluorometric study. Sborník abstraktů. Studentská konference MASTER 2014. Česká zemědělská univerzita v Praze, Fakulta lesnická a dřevařská. Praha, 12.5.2014. 2014, pp. 24-25.


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BARTÁK, Miloš - HÁJEK, Josef - VÁCZI, Peter - SKÁCELOVÁ, Kateřina - BALARINOVÁ, Kateřina - TRNKOVÁ, Kateřina - HAZDROVÁ, Jana.
Resistance of Antarctic lichens and freshwater algae from James Ross Island to radiation, temperature, dehydration, UV-B and salt stress assessed by photosynthetic parameters. 2014.


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BARTÁK, Miloš - VÁCZI, Peter - LÁSKA, Kamil - PROŠEK, Pavel - HÁJEK, Josef - HAVEL, Josef.
Responses of moss and lichen vegetation to manipulated warming: Long-term study exploiting OTC approach at James Ross Island, Antarctica. 2014. Boo of Abstract, page 742.


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HÁJEK, Josef - VÁCZI, Peter - HAZDROVÁ, Jana - BARTÁK, Miloš.
Simultaneous measurements of PSII activity and thallus temperature during linear cooling. A method to assess interspecific differences in photosynthetic processes in lichens from polar regions. 2014. ISBN 978-80-7394-463-6.


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ONDRUCH, Jakub - NÝVLT, Daniel - LÁSKA, Kamil - HRBÁČEK, Filip - KAPLER, Pavel - SKÁCELOVÁ, Kateřina - HÁJEK, Josef.
Současné trendy v českém polárním výzkumu 2014. 2014. CZE, Brno. 12.12.2014 - 12.12.2014, National Activity.


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2013

VÁCZI, Peter - HÁJEK, Josef.
Annual water temperature courses in two contrasting lakes at James Ross Island, Antarctica. Czech Polar Reports, Masarykova univerzita. ISSN 1805-0689, 2013, vol. 3, no. 2, pp. 213-219.


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PROŠEK, Pavel - BARTÁK, Miloš - LÁSKA, Kamil - SUCHÁNEK, Alois - HÁJEK, Josef - KAPLER, Pavel.
Facilities of J. G. Mendel Antarctic station: Technical and technological solutions with a special respect to energy sources. Czech Polar Reports, Brno, Masarykova univerzita. ISSN 1805-0689, 2013, vol. 3, no. 1, pp. 38-57.


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KVÍDEROVÁ, Jana - HÁJEK, Josef - WORLAND, Roger M.
The ice nucleation activity of extremophilic alga. CryoLetters, USA. ISSN 0143-2044, 2013, vol. 34, no. (2), pp. 137-148.


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2012

BALARINOVÁ, Kateřina - BARTÁK, Miloš - VÁCZI, Peter - HAZDROVÁ, Jana - HÁJEK, Josef.
Cultivation of antarctic alga Trebouxia sp. in a bioreactor: chlorophyll fluorescence-based study of temperature-dependent growth. 2012. ISBN 978-80-7394-375-2.


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HÁJEK, Josef - VÁCZI, Peter - BARTÁK, Miloš - JAHNOVÁ, Lucie.
Interspecific differences in cryoresistance of lichen symbiotic algae of genus Trebouxia assessed by cell viability and chlorophyll fluorescence. Cryobiology, USA. ISSN 0011-2240, 2012, vol. 64, no. 3, pp. 215-222.


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JUPA, Radek - HÁJEK, Josef - HAZDROVÁ, Jana - BARTÁK, Miloš.
Interspecific differences in photosynthetic efficiency and spectral reflectance in two Umbilicaria species from Svalbard during controlled desiccation. Czech Polar Reports, Brno, Masaryk University. ISSN 1805-0689, 2012, vol. 2, no. 1, pp. 31 - 41.


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BARTÁK, Miloš - HÁJEK, Josef - OČENÁŠOVÁ, Petra.
Photoinhibition of photosynthesis in Antarctic lichen Usnea antarctica. I. Light intensity- and light duration-dependent changes in functioning of photosystem II. Czech Polar Reports, Brno, Masaryk University. ISSN 1805-0689, 2012, vol. 2, no. 1, pp. 42-51.


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BARTÁK, Miloš - VÁCZI, Peter - HÁJEK, Josef.
Photosynthetic activity in three vascular species of Spitsbergen vegetation during summer season in response to microclimate. Polish Polar Research, Polsko, Polska akademia nauk., Poland. ISSN 0138-0338, 2012, vol. 33, no. 4, pp. 443-462.


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2011

HÁJEK, Josef - HAZDROVÁ, Jana - LÁSKA, Kamil.
Book Review: "John Turner and Gareth J. Marshall (2011): Climate Change in the Polar Regions. Cambridge University Press, The Edinburgh Building, Cambridge CB2 8RU, UK. ISBN 978-0-521-85010-0, hardback, 448 pages.". Brno : 2011. 1 p. Czech Polar Reports 1 (1), p. 63.


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LÁSKA, Kamil - BARTÁK, Miloš - HÁJEK, Josef - PROŠEK, Pavel - BOHUSLAVOVÁ, Olga.
Climatic and ecological characteristics of deglaciated area of James Ross Island, Antarctica, with a special respect to vegetation cover. Czech Polar Reports, Brno, Masarykova univerzita. ISSN 1805-0689, 2011, vol. 1, no. 1, pp. 49-62.


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found: 94 records, displayed 1 - 30