Christian Geier, BSc MSc

Wissenschaftlicher Projektmitarbeiter (prae doc)
Dissertant
Erdgeschoß, Zimmer 1
t: +43 (0)1 4277-540 00
m: christian.geier@univie.ac.at

 Titel der Dissertation

Blüten-Insekten Interaktionen im Eozän bis Oligozän von Mitteleuropa

Medienbeiträge

Forschungsinteressen

  • Palynologie
  • Ultrastruktur von Pflanzen
  • Computertomographie
  • Blüten-Insekten Interaktionen
  • Bestäubungsbiologie

 Curriculum Vitae

Derzeitige Anstellung

Ausbildung und wissenschaftliche Laufbahn

  • 2022– PhD Biologie
  • 2022 Masterarbeit "The late middle Miocene palynoflora of Gratkorn, Styria, Austria"
  • 2021 Studentischer Projektmitarbeiter FWF-Projekt P 29501-B25
  • 2020–2022 Masterstudium Botanik, Universität Wien
  • 2016–2020 Bachelorstudium Biologie, Schwerpunkt Botanik, Universität Wien (Titel der Bachelorarbeit: Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny)

 Publikationen

Zeige Ergebnisse 21 - 40 von 42

2024

Halbritter, H., Hesse, M., Heigl, H., Auer, W., Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia platyphyllos. Webpublikation https://www.paldat.org/pub/Tilia_platyphyllos/306672
Sam, S., Heigl, H., Auer, W., Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia tomentosa. Webpublikation https://www.paldat.org/pub/Tilia_tomentosa/306673
Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia japonica. Webpublikation https://www.paldat.org/pub/Tilia_japonica/306664
Ulrich, S., Geier, C., Bouchal, J. M., Zetter, R., Schönenberger, J., Uhl, D., & Grimsson, F. (2024). Combined LM and EM investigations of pollen from compressed fossil flowers aid in their taxonomic assignment. in J. Bek, & J. Votočková Frojdová (Hrsg.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (S. 125-126). Artikel O-236 CZECH-IN s. r. o..
Till, A., Geier, C., Bouchal, J. M., Ulrich, S., Wedmann, S., Cantrill, D., & Grimsson, F. (2024). Did beetles visit Pseudanthus (Picrodendraceae) flowers in the Eocene of Europe? in J. Bek, & J. Votočková Frojdová (Hrsg.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (S. 132-133). Artikel O-248 CZECH-IN s. r. o..
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Eocene flower visitation of European Diptera and their potential pollinator role. Abstracts of the European Geosciences Union General Assembly. https://doi.org/10.5194/egusphere-egu24-5607
Grimsson, F., Geier, C., Bouchal, J. M., Ulrich, S., Schönenberger, J., Uhl, D., Wedmann, S., Zetter, R., & Wappler, T. (2024). Flowers and insects with in situ and/or adhered pollen from Eckfeld (Eocene) and Enspel (Oligocene), Germany. in J. Bek, & J. Votočková Frojdová (Hrsg.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (S. 127). Artikel O-238 CZECH-IN s. r. o..
Bouchal, J. M., Geier, C., Ulrich, S., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Fossil Coleoptera with in situ and adhered pollen from the Eocene of Eckfeld, Germany. Abstracts of the European Geosciences Union General Assembly. https://doi.org/10.5194/egusphere-egu24-5326
Geier, C., Bouchal, J. M., Ulrich, S., Zetter, R., Schönenberger, J., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Matching Messel flowers with their insect visitors via pollen. in J. Bek, & J. Votočková Frojdová (Hrsg.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (S. 124-125). Artikel O-234 CZECH-IN s. r. o..
Wedmann, S., Bouchal, J. M., Boudet, L., Engel, M., Geier, C., Grimsson, F., Poschmann, M. J., Schindler, T., & Wappler, T. (2024). Paleodiversity of paleogene hymenopteran insects and their interactions with flowers. in K. De Baets, & A. Kaim (Hrsg.), PALGES 2024 WARSAW: Abstract Book (S. 161). https://doi.org/10.4202/app.01209.2024
Zetter, R., Geier, C., Bouchal, J. M., Ulrich, S., Hayes, P., Collinson , M., Ahmad, S., & Grimsson, F. (2024). Palynoflora of the Insect Limestone, late Eocene, UK. in J. Bek, & J. Votočková Frojdová (Hrsg.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (S. 126). Artikel O-237 CZECH-IN s. r. o..
Bouchal, J. M., Geier, C., Ulrich, S., Wilde, V., Lenz, O. K., Zetter, R., & Grimsson, F. (2024). Qualitative LM and SEM study of the Messel palynoflora: part I. Algae to Vitales. Grana, 63(3), 193-246. https://doi.org/10.1080/00173134.2024.2375209
Bouchal, J. M., Ulrich, S., Geier, C., Zetter, R., Wilde, V., Lenz, O. K., & Grimsson, F. (2024). Reinvestigating the Messel palynoflora using combined LM and SEM. in J. Bek, & J. Votočková Frojdová (Hrsg.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (S. 125). Artikel O-235 CZECH-IN s. r. o..

2023

Vieira, M., Bouchal, J. M., Geier, C., Ulrich, S., Zetter, R., & Grimsson, F. (2023). Earliest fossil pollen records of endemic African Sclerosperma palms and the palaeoecological aspects of the genus. Review of Palaeobotany and Palynology, 317, Artikel 104954. https://doi.org/10.1016/j.revpalbo.2023.104954
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wappler, T., Wedmann, S., Zetter, R., & Grimsson, F. (2023). Collecting in situ/adhered pollen from fossil compressed angiosperm flowers. Review of Palaeobotany and Palynology, 310, 1-6. Artikel 104831. https://doi.org/10.1016/j.revpalbo.2022.104831
Geier, C., Bouchal, J. M., Ulrich, S., Wappler, T., & Grimsson, F. (2023). Fossil Onagraceae flower and insects with in situ or adhered pollen from the Eocene of Eckfeld, Germany. in Abstract EGU23 Artikel EGU23-6116 https://doi.org/10.5194/egusphere-egu23-6116
Bouchal, J. M., Geier, C., Ulrich, S., Wilde, V., Lenz, O. K., Zetter, R., & Grimsson, F. (2023). Revisiting the Messel palynoflora using a combined LM and SEM approach. in Abstracts of the European Geosciences Union General Assembly (Band 2023) https://doi.org/10.5194/egusphere-egu23-6499
Geier, C., Bouchal, J. M., Nel, A., Ngo-Muller, V., Schönenberger, J., Uhl, D., Ulrich, S., Wappler, T., Wedmann, S., & Grimsson, F. (2023). The history of European Paleogene flower-insect interactions unraveled using fossil flowers and insects and their associated pollen grains. in 24th Annual Meeting of the Society of Biological Systematics: Programme and Abstracts (S. 21-22)
Geier, C., Bouchal, J. M., Nel, A., Ngo-Muller, V., Oberleitner, S., Uhl, D., Ulrich, S., Wappler, T., Wedmann, S., Zimmermann, D., & Grimsson, F. (2023). Tilioideae-Anthophila interactions in the Cenozoic of Europe. in Life and Planet 2023: Full Programme with Abstracts (S. 63-64)

2022

Geier, C., Bouchal, J. M., Ulrich, S., Gross, M., Zetter, R., Denk, T., & Grimsson, F. (2022). Paleovegetation and paleoclimate inferences of the early late Sarmatian palynoflora from the Gleisdorf Fm. at Gratkorn, Styria, Austria. Review of Palaeobotany and Palynology, 307, Artikel 104767. https://doi.org/10.1016/j.revpalbo.2022.104767
Zeige Ergebnisse 21 - 40 von 42

Geier, C. (2022) The late middle Miocene palynoflora of Gratkorn, Styria, Austria. Universität Wien (Masterarbeit)

Geier, C. (2020) Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny. Universität Wien (Bachelorarbeit)