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FB Biologie und Geographie / Allgemeine Botanik
Anschrift
Universitätsstr. 5
45141 Essen
Raum
S05 V05 F39

Funktionen

  • Akad. Oberrätin/-rat, Biodiversität

Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.

    Artikel in Zeitschriften

  • Bock, Christina; Jensen, Manfred; Forster, Dominik; Marks (geb. Wodniok), Sabina; Nuy, Julia; Psenner, Roland; Beisser, Daniela; Boenigk, Jens
    Factors shaping community patterns of protists and bacteria on a European scale
    In: Environmental Microbiology (2020)
    ISSN: 1462-2920; 1462-2912
  • Grujcic, Vesna; Nuy, Julia; Salcher, Michaela M; Shabarova, Tanja; Kasalicky, Vojtech; Boenigk, Jens; Jensen, Manfred; Simek, Karel
    Cryptophyta as major bacterivores in freshwater summer plankton
    In: ISME Journal Jg. 12 (2018) S. 1668 - 1681
    ISSN: 1751-7370; 1751-7362
  • Graupner, Nadine; Jensen, Manfred; Bock, Christina; Marks, Sabina; Rahmann, Sven; Beisser, Daniela; Boenigk, Jens
    Evolution of heterotrophy in chrysophytes as reflected by comparative transcriptomics
    In: FEMS Microbiology Ecology Jg. 94 (2018) Nr. 4, S. fiy039
    ISSN: 1574-6941; 0168-6496
  • Nuy, Julia; Lange, Anja; Beermann, Arne; Jensen, Manfred; Elbrecht, Vasco; Röhl, Oliver; Peršoh, Derek; Begerow, Dominik; Leese, Florian; Boenigk, Jens
    Responses of stream microbes to multiple anthropogenic stressors in a mesocosm study
    In: Science of the Total Environment Jg. 633 (2018) S. 1287 - 1301
    ISSN: 1879-1026; 0048-9697
  • Bock, Christina; Salcher, Michaela; Jensen, Manfred; Pandey, Ram V.; Boenigk, Jens
    Synchrony of Eukaryotic and Prokaryotic Planktonic Communities in Three Seasonally Sampled Austrian Lakes
    In: Frontiers in Microbiology Jg. 9 (2018) S. 1290
    ISSN: 1664-302X
  • Graupner, Nadine; Röhl, Oliver; Jensen, Manfred; Beisser, Daniela; Begerow, Dominik; Boenigk, Jens
    Effects of short-term flooding on aquatic and terrestrial microeukaryotic communities : a mesocosm approach
    In: Aquatic Microbial Ecology Jg. 80 (2017) Nr. 3, S. 257 - 272
    ISSN: 1616-1564; 0948-3055
  • Graupner, Nadine; Boenigk, Jens; Bock, Christina; Jensen, Manfred; Marks, Sabina; Rahmann, Sven; Beisser, Daniela
    Functional and phylogenetic analysis of the core transcriptome of Ochromonadales
    In: Metabarcoding and Metagenomics (MBMG) Jg. 1 (2017) S. e19862
    ISSN: 2534-9708
  • Beisser, Daniela; Kaschani, Farnusch; Graupner, Nadine; Großmann, Lars; Jensen, Manfred; Ninck, Sabrina; Schulz, Florian; Rahmann, Sven; Boenigk, Jens; Kaiser, Markus
    Quantitative proteomics reveals ecophysiological effects of light and silver stress on the mixotrophic protist Poterioochromonas malhamensis
    In: PLoS One Jg. 12 (2017) Nr. 1, S. e0168183
    ISSN: 1932-6203
  • Großmann, Lars; Jensen, Manfred; Pandey, Ram Vinay; Jost, Steffen; Bass, David; Psenner, Roland; Boenigk, Jens
    Molecular investigation of protistan diversity along an elevation transect of alpine lakes
    In: Journal of Aquatic Microbial Ecology Jg. 78 (2016) Nr. 1, S. 25 - 37
    ISSN: 0948-3055; 1616-1564
  • Großmann, Lars; Jensen, Manfred; Heider, Dominik; Jost, Steffen; Glücksmann, Edvard; Hartikainen, Hanna; Mahamdallie, Shazia S.; Gardner, Michelle; Hoffmann, Daniel; Bass, David; Boenigk, Jens
    Protistan community analysis : key findings of a large scale molecular sampling
    In: ISME Journal Jg. 10 (2016) S. 2269 - 2279
    ISSN: 1751-7370; 1751-7362
  • Großmann, Lars; Beisser, Daniela; Bock, Christina; Chatzinotas, Antonis; Jensen, Manfred; Preisfeld, Angelika; Psenner, Roland; Rahmann, Sven; Wodniok, Sabina; Boenigk, Jens
    Trade-off Between Taxon Diversity and Functional Diversity in European Lake Ecosystems
    In: Molecular Ecology Jg. 25 (2016) Nr. 23, S. 5876 - 5888
    ISSN: 1365-294X
  • Ballhorn, Daniel J.; Kautz, Stefanie; Jensen, Manfred; Schmitt, Imke; Heil, Martin; Hegemann, Adrian D.
    Genetic and environmental interactions determine plant defences against herbivores
    In: Journal of Ecology Jg. 99 (2011) Nr. 1, S. 313 - 326
    ISSN: 1365-2745
  • Jensen, Manfred; Nerat, Nadine; Ale-Agha, Nosratollah
    Survey of microfungi in the Landschaftspark Duisburg-Nord (Germany)
    In: Communications in agricultural and applied biological sciences Jg. 76 (2011) Nr. 4, S. 671 - 689
    ISSN: 1379-1176
  • Jensen, Manfred; Nerat, Nadine; Ale-Agha, Nosratollah
    New Remarkable Records of Microfungi from Sardinia (Italy)
    In: Communications in Agricultural and Applied Biological Sciences Jg. 75 (2010) Nr. 4, S. 675 - 697
    ISSN: 1379-1176
  • Ale-Agha, Nosratollah; Brassmann, Markus; Jensen, Manfred
    Biodiversity and New Records of Microfungi in the Ruhrarea (North Rhine Westfalia), Germany
    In: Communications in Agricultural and Applied Biological Sciences Jg. 74 (2009) Nr. 3, S. 785 - 796
    ISSN: 1379-1176
  • Ballhorn, Daniel J.; Heil, Martin; Schiwy, Susann; Jensen, Manfred
    Quantitative variability of direct chemical defense in primary and secondary leaves of lima bea
    In: Journal of Chemical Ecology Jg. 34 (2008) Nr. 10, S. 1298 - 1301
  • Ballhorn, Daniel J.; Jensen, Manfred; Ale-Agha, N.; Brassmann, M.; Kautz, Stefanie; Eilmus, Sascha
    Rare or remarkable microfungi from Oaxaca (South Mexico) Part II
    In: Communications in Agricultural and Applied Biological Sciences Jg. 73 (2008) Nr. 2, S. 147 - 155
    ISSN: 1379-1176
  • Jensen, Manfred; Ale-Agha, Nosratollah; Braßmann, M.
    Survey of microfungi in the Kleinwalsertal (Austrian Alps).
    In: Communications in Agricultural and Applied Biological Sciences Jg. 73 (2008) Nr. 2, S. 135 - 145
    ISSN: 1379-1176
  • Ale-Agha, Nosratollah; Jensen, Manfred; Koeppen, C.W.; Hermes, M.
    Remarkable microfungi from Oaxaca (Mexico) of Acacia species
    In: Communications in Agricultural and Applied Biological Sciences Jg. 72 (2007) Nr. 4, S. 857 - 866
    ISSN: 1379-1176
  • Pieruschka, Roland; Schurr, Ulrich; Jensen, Manfred; Wolff, Wilfried F.; Jahnke, Siegfried
    Lateral diffusion of CO2 from shaded to illuminated leaf parts affects photosynthesis inside homobaric leaves.
    In: New phytologist : international journal of plant science Jg. 169 (2006) S. 779 - 788
    ISSN: 0028-646X
  • Feige, Guido B.; Ale-Agha, Nosratollah; Jensen, Manfred; Brassmann, M; Christiaans, B.; Kricke, R.
    New, rare and remarkable records of microfungi from the Slovakian republic.
    In: Communications in Agricultural and Applied Biological Sciences Jg. 70 (2005) Nr. 3, S. 269 - 280
    ISSN: 1379-1176
  • Ale-Agha, Nosratollah; Feige, Guido B.; Jensen, Manfred; Brassmann, M; Kricke, R.
    Surveys of new and rare microfungi in the Düsseltal (North Rhine-Westphalia) - Germany.
    In: Communications in Agricultural and Applied Biological Sciences Jg. 70 (2005) Nr. 3, S. 257 - 267
    ISSN: 1379-1176
  • Ale-Agha, Nosratollah; Feige, Guido B.; Jensen, Manfred; Christiaans, B.; Brassmann, M.; Balakirew, S.
    New and remarkable microfungi in North Rhine Westphalia, Germany.
    In: Communications in Agricultural and Applied Biological Sciences Jg. 69 (2004) Nr. 4, S. 489 - 498
    ISSN: 1379-1176
  • Feige, Guido B.; Ale-Agha, Nosratollah; Jensen, Manfred; Christiaans, B.; Kricke, R.
    New, rare or remarkable microfungi in the Italian Alps (Carnic Alps), Part I.
    In: Communications in Agricultural and Applied Biological Sciences Jg. 69 (2004) Nr. 4, S. 457 - 466
    ISSN: 1379-1176
  • Ale-Agha, Nosratollah; Feige, Guido B.; Jensen, Manfred; Christiaans, B.; Brassmann, M.; Kricke, R.
    New, rare or remarkable microfungi in the Italian Alps (Carnic Alps), Part II.
    In: Communications in Agricultural and Applied Biological Sciences Jg. 69 (2004) Nr. 4, S. 467 - 477
    ISSN: 1379-1176
  • Feige, Guido B.; Ale-Agha, Nosratollah; Jensen, Manfred; Chrisitaans, B.; Kricke, R.
    New, rare and remarkable microfungi from Macedonia (Greece).
    In: Communications in Agricultural and Applied Biological Sciences Jg. 68 (2003) Nr. 4b, S. 645 - 658
    ISSN: 1379-1176
  • Chakir, Samira; Jensen, Manfred
    How does Lobaria pulmonaria regulate photosynthesis during progressive desiccation and osmotic water stress? : A chlorophyll fluorescence study at room temperature and at 77 K.
    In: Physiologia plantarum : official publication of the Scandinavian Society for Plant Physiology Jg. 105 (1999) Nr. 2, S. 257 - 265
    ISSN: 0031-9317
  • Jensen, Manfred; Chakir, Samira; Feige, Guido B.
    Osmotic and atmospheric dehydration effects in the lichens Hypogymnia physodes, Lobaria pulmonaria, and Peltigera aphthosa: an in vivo study of the chlorophyll fluorescence induction.
    In: Photosynthetica : international journal for photosynthesis research Jg. 37 (1999) S. 393 - 404
    ISSN: 0300-3604
  • Jensen, Manfred; Linke, Kerstin; Dickhäuser, Andreas; Feige, Guido B.
    The effect of agronomic photosystem-II herbicides on lichens.
    In: The Lichenologist Jg. 31 (1999) Nr. 1, S. 95 - 103
    ISSN: 0024-2829
  • Chakir, S.; Jensen, Manfred
    Regulative down regulation of photosystem II by water stress: a chlorophyll fluorescence study on lichens.
    In: Sauteria : Schriftenreihe für systemat. Botanik, Floristik u. Geobotanik Jg. 9 (1998) S. 111 - 122
  • Jensen, Manfred; Siebke, K.
    Fluorescence imaging of lichens in the macro scale.
    In: Symbiosis Jg. 23 (1997) S. 183 - 196
  • Jensen, M.
    Flechten im Naturschutzgebiet Hofermühle-Süd.
    In: Acta biologica Benrodis Jg. Supplementband 2 (1995) S. 67 - 74
    ISSN: 0177-9214
  • Jensen, Manfred
    Assessment of lichen vitality by the chlorophyll fluorescence parameter Fv/Fm.
    In: Cryptogamic Botany : international journal of mycology, lichenology, phycology, bryology, and pteridology Jg. 4 (1994) S. 187 - 192
    ISSN: 0935-2147
  • Merschhemke, C.; Jensen, Manfred
    Das FluOx-Algentestsystem. Ein automatisches Algentestgerät zur kontinuierlichen Gewässerüberwachung.
    In: Limnologica : ecology and management of inland waters Jg. 23 (1993) S. 323 - 333
    ISSN: 0075-9511
  • Jensen, Manfred; Feige, Guido B.; Waterkotte, Anna
    Mannitol-1-Phosphate dehydrogenase in Pseudevernia furfuracea
    In: Lichenologist Jg. 23 (1991) Nr. 2, S. 187 - 196
  • Jensen, Manfred; Feige, Guido B.
    Quantum Efficiency and Chlorophyll Fluorescence in the Lichens Hypogymnia psysodes and Parmelia sulcata
    In: Symbiosis Jg. 11 (1991) S. 179 - 191
  • Jensen, Manfred; Feige, Guido B.
    Quantum efficiency and chlorophyll fluorescence in the lichens Hypogymnia physodes and Parmelia sulcata.
    In: Symbiosis Jg. 11 (1991) S. 179 - 191
  • Beiträge in Sammelwerken und Tagungsbänden

  • Tretiach, M.; Cirsafulli, P.; Virgilio, D.; Baruffo, L.; Jensen, Manfred
    Seasonal variation of photoinhibition in an epiphytic population of the lichen Parmelia sulcata Taylor.
    In: Lichenological contributions in honour of G. B. Feige ; mit 52 Tables: Bibliotheca lichenologica ; Bd. 86 / Jensen, Manfred (Hrsg.), 2003, S. 313 - 327
    ISBN: 3-443-58065-3
  • Jensen, Manfred; Kricke, R.
    Chlorophyll fluorescence measurements in the field: assessment of the vitality of large numbers of lichen thalli.
    In: Monitoring with Lichens - Monitoring Lichens: NATO Advanced Research Workshop on Lichen Monitoring ; (Wales) : 2000.08.16-23 / Nimis, Pier Luigi (Hrsg.), 2002, S. 327 - 332
    ISBN: 1-402-00429-X; 1-402-00430-3
  • Jensen, Manfred
    Chlorophyll fluorescence properties of the lichen Lobaria pulmonaria at the CO2 compensation point
    In: New aspects in cryptogamic research: contributions in honour of Ludger Kappen / Kappen, Ludger / Schroeter, Burkhard; (Hrsg.), 2000, S. 183 - 188
    ISBN: 3-443-58054-8
  • Jensen, M.
    Measurement of chlorophyll fluorescence in lichens.
    In: Protocols in lichenology: culturing, biochemistry, ecophysiology and use in biomonitoring / Kranner, Ilse; Beckett, Richard (Hrsg.), 2000, S. 135 - 151
    ISBN: 3-540-41139-9
  • Jensen, Manfred; Siemer, C.; Feige, Guido B.
    Desiccation stress and fluorescence imaging of the cyano-lichen Peltigera canina.
    In: Photosynthesis, mechanisms and effects: proceedings of the XIth International Congress on Photosynthesis, Budapest, Hungary, August 17 - 22, 1998 : Band 4 / Garab, Győ̈ző̈ (Hrsg.), 1999, S. 2763 - 2767
    ISBN: 0-7923-5545-8
  • Jensen, Manfred; Feige, Guido B.; Kupfer, M.
    The effecht of short-time heating on wet Lobaria pulmonaria: a chlorophyll fluorescence study
    In: New species and novel aspects in ecology and physiology of lichens: in honour of O. L. Lange / Lange, Otto L. / Kappen, Ludger; (Hrsg.), 1997, S. 247 - 254
    ISBN: 3-443-58046-7
  • Jensen, Manfred; Feige, Guido B.; Kuffer, M.
    The effect of short-time heating on wet Lobaria pulmonaria: a chlorophyll fluorescence study
    In: New species and novel aspects in ecology and physiology of lichens: in honour of O. L. Lange / Lange, Otto L. / Kappen, Ludger; (Hrsg.), 1997, S. 247 - 254
    ISBN: 3-443-58046-7
  • Feige, Guido Benno; Jensen, Manfred
    Kohlenstoff-Kreislauf
    In: Handbuch zur Ökologie / Kuttler, Wilhelm (Hrsg.), 1993
    ISBN: 3-929342-07-3; 978-3929342079
  • Feige, Guido Benno; Jensen, Manfred
    Lebensformen
    In: Handbuch zur Ökologie / Kuttler, Wilhelm (Hrsg.), 1993
    ISBN: 3-929342-07-3; 978-3929342079
  • Jensen, Manfred; Feige, Guido Benno
    Photosynthese
    In: Handbuch zur Ökologie / Kuttler, Wilhelm (Hrsg.), 1993
    ISBN: 3-929342-07-3; 978-3929342079
  • Jensen, Manfred; Roosen, B.; Kuffer, M.
    Quantification of the xanthophyll cycle-carotenoids in lichens by HPLC
    In: Phytochemistry and chemotaxonomy of lichenized ascomycetes: a Festschrift in honour of Siegfried Huneck / Huneck, Siegfried / Feige, Guido B.; (Hrsg.), 1993, S. 109 - 114
    ISBN: 3-443-58032-7
  • Feige, Guido B.; Jensen, M.
    Basic carbon and nitrogen metabolism of lichens.
    In: Algae and Symbioses: Plants, Animals, Fungi, Viruses, Interactions Explored. / Reisser, W. (Hrsg.), 1992, S. 277 - 299
    ISBN: 0-948737-15-8
  • Jensen, Manfred; Feige, Guido B.
    Photosynthetic properties of lichens stored at -25 °C for several years
    In: Progress and problems in lichenology in the eighties: proceedings of an internat. symposium held at the Univ. of Münster on 16. - 21. March 1986 / International symposium on "Progress and problems in lichenology in the eighties", 16.-21. March 1986, Münster, Germany; / Peveling, Elisabeth (Hrsg.), 1987, S. 319 - 323
    ISBN: 3-443-58004-1
  • Jensen, Manfred; Feige, Guido B.
    The effect of desiccation and light on the 77 K chlorophyll fluorescence properties of the lichen Peltigera aphthosa
    In: Progress and problems in lichenology in the eighties: proceedings of an International Symposium ; held at the University of Münster on 16.-21. March 1986 / International symposium on "Progress and problems in lichenology in the eighties", 16.-21. March 1986, Münster, Germany; / Peveling, Elisabeth (Hrsg.), 1987, S. 325 - 330
    ISBN: 3-443-58004-1
  • Bücher/Sammelwerke/Tagungsbände

  • Jensen, Manfred
    Lichenological contributions in honour of G. B. Feige ; mit 52 Tables
    Berlin-Stuttgart (2003) 491
    (Bibliotheca lichenologica ; 86)
    ISBN: 3-443-58065-3
  • Dissertation

  • Jensen, Manfred
    Die Rolle der Lipidphase bei der Gefrierschaedigung von Chloroplastenmembranen
    Duesseldorf (1981) 117