Josephine Ulrich

Institute of Biodiversity, Ecology and Evolution | Professorship of Biodiversity of Plants​

Kleinwalsertal

Image: Christine Römermann
Kleinwalsertal

Josephine Ulrich

PhD student
Institute of Biodiversity, Ecology and Evolution | Biodiversity of plants
Josephine Ulrich
Image: Anne Günther (University of Jena)
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Otto-Renner-Villa, Room 104
Philosophenweg 16
07743 Jena Google Maps site planExternal link

Research interests

My research focuses on the causes of phenological shifts in plant species. More specifically, I aim to determine the extent to which biotic factors, such as plant species richness and the decline of invertebrates, influence these changes. I am also examining the mediating function of plant species richness in the relationship between plant functional traits and plant phenology. As a huge fan of dry grasslands, I enjoy conducting fieldwork on the semi-dry grasslands around Jena. Although my research focus is plant phenology, I have also worked on projects addressing the positive influence of flower strips in arable fields on species diversity and the restoration potential of dry grasslands after disturbance. 

  • Curriculum vitae
    • Since May 2026. Coordinator of PhenObs@herbaria at the Senckenberg Institute of Plant Form and Function Jena (SIP), Functional Biodiversity group.
    • Since October 2018. PhD student at the FSU Jena, Institute for Ecology and Evolution, Professorship of Plant Biodiversity.
    • 03/2018 – 09/2018. Scientific assistant for the PhenObs project.
    • 03/2017 – 04/2018. Scientific assistant at the Herbarium Haussknecht.
    • 03/2016 – 07/2018. Master's thesis on renaturation potentials of calcareous grasslands after windthrow and agricultural use.
    • 10/2015 – 07/2018. Master's programme Evolution, Ecology and Systematics, Friedrich-Schiller-Universität Jena.
    • 09/2012 – 08/2015. Bachelor's degree in Environmental Monitoring/Environmental Analysis at the HTW Dresden. Thesis: Amphibians in newly created wetlands - Analysis of the repopulation potential.
  • Publications
    • Deilmann, T. J., Ulrich, J., & Römermann, C. (2024). Habitat conditions filter stronger for functional traits than for phenology in herbaceous species. Ecology and Evolution, 14, e11505. https://doi.org/10.1002/ece3.11505External link
    • Körschens, M., Bodesheim, P., Römermann, C., Bucher, S.F., Migliavacca, M., Ulrich, J., Denzler, J. (2021) Automatic Plant Cover Estimation with Convolutional Neural Networks, CS4BioDiversity Workshop der INFORMATIK2021
    • Körschens, M., Bodesheim, P., Römermann, C., Bucher, S.F., Ulrich, J., Denzler, J. (2020) Towards Confirmable Automated Plant Cover Determination. In: Bartoli A., Fusiello A. (eds) Computer Vision – ECCV 2020 Workshops. ECCV 2020. Lecture Notes in Computer Science, vol 12540. Springer, Cham. https://doi.org/10.1007/978-3-030-65414-6_22External link
    • Ulrich, J., Bucher, S.F., Eisenhauer, N., Schmidt, A., Türke, M., Gebler, A., Barry, K., Lange, M., Römermann, C. (2020). Invertebrate decline leads to shifts in plant species abundance and phenology. Frontiers in Plant Science, 11. https://doi.org/10.3389/fpls.2020.542125External link.
  • Conference contributions
    • Körschens, M., Römermann, C., Bucher, S. F., Ulrich, J., Denzler, J. (2019) Deep Learning Approaches for Automatic Analysis of Plant Species and Cover Determination. iDiv-Konferenz Leipzig & GfÖ Jahrestagung Münster, Poster
    • Ulrich, J., Bucher, S.F., Gebler, A., Eisenhauer, N., Schmidt, A., Türke, M., Römermann, C. (2019) Invertebrate decline affects plant species abundance and phenology. IAVS 62nd Annual Symposium, Bremen, Vortrag.
    • Ulrich, J., Bucher, S.F., Gebler, A., Eisenhauer, N., Schmidt, A., Türke, M., Römermann, C. (2019) Invertebrate decline affects plant species abundance and phenology.  iDiv-Konferenz Leipzig & GfÖ Jahrestagung Münster, Poster.
    • Ulrich, J., Bucher, S.F., Gebler, A., Eisenhauer, N., Schmidt, A., Türke, M., Römermann, C. (2018) Insects affect plant species abundance and phenology. iDiv Annual Conference, Leipzig, Poster.
    • Ulrich, J., Albert, G., Pusch, J., Römermann, C. (2018) Restoration Potentials of Dry Grasslands after Afforestation. Vegetation Databases and Detection of Environmental Change, Jena, Poster.
    • Ulrich, J., Albert, G., Pusch, J., Römermann, C. (2017) Restoration Potentials of Dry Grasslands after Afforestation and Agricultural Use. iDiv Annual Conference, Leipzig, Poster.