
Tobias Keickhöfel
Master Student (November 2023 – current)
Research project: Survival of zooplankton communities in ships' ballast tanks

Antonia Hansmann
Master Student (July 2024 – current)
Research project: Local adaptation to anthropogenically impacted habitats

Travis Johnson
Master Student (November 2024 – current)
Research project: Invasion risk posed by aquaria pat trade

Kira Läufer
Bachelor Student (May 2024 – current)
Research project: Salinity ranges of Ponto-Caspian non-native species in Northern Europe

Gesche Bock (Click here for Gesche's website)
Graduate Research Scientist (February 2025 – current) – co-supervised with PD Dr. Florian Weinberger (Click here for Florian's website)
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Previous group members:
- Dr. James W. E. Dickey (Alexander von Humboldt Postdoctoral Fellow, September 2021 – August 2023) – co-supervised by Prof. Dr. Jonathan Jeschke at IGB Leibniz-Institute of Freshwater Ecology and Inland Fisheries – Assessing the impacts of emerging invasive alien species from the freshwater pet trade; (January 2018 – March 2018) – Ph.D. exchange student – Using the Relative Impact Potential (RIP) metric to assess a possible Ponto-Caspian invader
- Dr. Ross N. Cuthbert (Alexander von Humboldt Postdoctoral Fellow, March 2020 – February 2022) – Quantifying climate change effects on invasive species ecological impact
- Dr. Yaping Lin (Postdoctoral Fellow, June 2017 – July 2020) – co-supervised with Prof. Dr. Aibin Zhan (Chinese Academy of Science) – Evaluation of genetic variation and fitness following the reduction in population size of taxa during the transport and establishment stages
- Dr. Andrea Barco (January 2015 – January 2017) – Postdoctoral Fellow – Evolutionary transitions of species from marine to freshwater habitats and vice versa
- Filipa Alexandra Paiva Antunes (October 2015 – December 2020) – Ph.D. student – The role of geographic origin and life history stages in invasion ecology - a comparative assessment of Northern European, Ponto-Caspian and North American species
- Isabel Casties (September 2014 – June 2018) – Ph.D. student – Non-indigenous species in Northern Europe and the Great Lakes-St. Lawrence River: the importance of geographic origin
- Elisabeth Renk (November 2021 – January 2024) – The effect of salinity on the survival and feeding rates of three pet trade snails
- Nora Theurich (November 2021 – November 2023) – Master Student – Assessing predatory behaviour of non-native crab - Hemigrapsus takanoi - in the Kiel Fjord; (November 2020 – November 2021) – Bachelor Student – Using comparative functional responses to quantify predatory impacts from the recent invader Hemigrapsus takanoi across demographic, temperature and salinity variations
- Cindy Giselle Martinez Reyes (August 2019 – September 2023) – Master Student – Environmental tolerance of species with and without invasion record under current and future global warming scenarios; (December 2023 – February 2024) – Graduate Research Assistant – Changes in gammarid communities due to global warming
- Louisa Langrehr (February 2019 – July 2020) – Master Student – Do anthropogenic stressors facilitate evolution of species and biological invasions?
- Nora Charlotte Pauli (May 2016 – January 2018) – Master student – Adaptation capacity of Gammarus spp. to different salinity than the original populations of those species are capable to tolerate
- Elzbieta Kazanaviciute (August 2022 – March 2024) – Bachelor Student – co-supervised with Dr. Alex Bush (Lancaster University, UK) – Diversity and relative abundance of gammarid taxa in Schleswig Holstein
- Christina Sommer (April 2017 – October 2017) – Bachelor Student – Parental care of Gammarus salinus
- Alena Sidow (April 2016 – December 2016) – Bachelor Student – Comparative assessment of Gammarus sp. populations from anthropogenically impacted and protected habitats
- Janine-Isabell Franz (November 2024 – February 2025) – Master Student – Science Project 2: Spatial distribution of Ponto-Caspian taxa in the North and Baltic Seas
- Christopher Akwamioh (September 2023 – October 2024) – Master Student – Science Project 1 & 2: 1. Changes in gammarid communities due to global warming; and 2. Winter Assessment of Zooplankton Communities in Downtown Kiel, Schleswig-Holstein, Germany
- Syrmalenia Kotronaki (July 2020 – August 2021) Graduate Research Assistant – Comparative assessment of global biodiversity and non-native species diversity; (December 2016 – December 2019) Student Research Assistant
- Jennifer Catherine Nascimento-Schulze (October 2015 – November 2016) – Student Research Assistant – Introduction bias towards taxa that survive management of ship ballast water – shared project with Lara Schmittmann
- Lara Schmittmann (October 2015 – September 2016) – Student Research Assistant – Introduction bias towards taxa that survive management of ship ballast water – shared project with Jennifer Catherine Nascimento-Schulze
- Petra Kundin (July 2018 – August 2018) – Erasmus Student
- Antonios Geropoulos (September 2016 – November 2016) – Erasmus Student
- Gregor Till Stefen (May 2016 – June 2019; September 2021– April 2023) – Laboratory Technician
- Fabian Wendt (January 2015 – January 2016) – Laboratory Technician