黑料视频  Hamer, Jorin

M. Sc. Jorin Hamer | RD 3 Marine Ecology | RU Experimental Ecology

Doctoral Researcher | Biodiversity | Topic 6

Jorin Hamer

Office
ENB Building 5
Room 1.307
Tel.: +49 431 600 1368
e-mail: jhamer(at)geomar.de

Address
黑料视频
Helmholtz-Zentrum f眉r Ozeanforschung
Wischhofstra脽e 1-3
24148 Kiel
Germany

Research Group "Biodiversity" PI: Dr. Birte Matthiessen

Research Focus

  • Bacteria-phytoplankton symbiosis
  • Maintenance of biodiversity
  • The role of biodiversity for the functioning of ecosystems

Project Participation

  • DynaSym: Shifts in bacteria-algae symbiotic interactions - effects on plankton community dynamics and properties (DFG research unit FOR5726; ; 2024-2028)

  • DynaTrait II: Nutrient uptake-related trait variability and trade-offs - adaptive evolution and community functioning in competing phytoplankton species (DFG priority programme SPP 1704; ; 2018-2022)

Vita

Since 2024 - Doctoral researcher at 黑料视频 as part of DFG research group DynaSym

Since 2020 - Scientist at 黑料视频 in the Biodiversity group as part of the research unit Experimental Ecology

2020 - Master of Science, Kiel University, Germany (Master鈥檚 thesis: 鈥淕enotype sorting of two stably coexisting phytoplankton species in response to nutrient fluctuations鈥�, 黑料视频 Helmholtz Center for Ocean Research Kiel, Germany

2016 - Bachelor of Science, Oldenburg University, Germany (Bachelor鈥檚 thesis: 鈥淭he circadian clock in Calanus finmarchicus - Relation to diel vertical migration鈥�, Alfred Wegener-Institute for Polar and Marine research, Germany)

Publications

Matthiessen, B., Hattich, G.S.I., Pulina, S., Hansen, T., Reusch, T.B.H. and Hamer, J. (2025), Phytoplankton mean cell size and total biomass increase with nutrients are driven by both species composition and evolution of plasticity. Oikos, 2025: e10910.

Hamer, J., Matthiessen, B., Pulina, S., & Hattich, G. S. I. (2022). Maintenance of Intraspecific Diversity in Response to Species Competition and Nutrient Fluctuations. Microorganisms, 10(1), 113.

Wahl, M., Werner, F.J., Buchholz, B., Raddatz, S., Graiff, A., Matthiessen, B., Karsten, U., Hiebenthal, C., Hamer, J., Ito, M., G眉lzow, E., Rilov, G. and Guy-Haim, T. (2020), Season affects strength and direction of the interactive impacts of ocean warming and biotic stress in a coastal seaweed ecosystem. Limnol Oceanogr, 65: 807-827.