Previous Group Members

PhD candidates

Fabian Wolf: Kiel University / GEOMAR on the “Extreme events – effects of heat waves and upwelling events on benthic communities of the Baltic Sea, and possibilities for their mitigation”
(PhD, 2018 – 2021) -> Researchgate


Jahangir Vajed Samiei: Kiel University / GEOMAR on the “The neglected role of environmental fluctuations as modulator of stress and driver of rapid evolution“ (PhD, 2017 – 2021); Intense collaborations following his PhD in my group -> Researchgate


Ola Mohamed Nour: Kiel University / GEOMAR on the “Impact of elevated temperature and different salinities on the brush-clawed shore crab Hemigrapsus takanoi“ (Co-supervision: PhD fellowship of the German Academic Exchange Service (PhD, DAAD, 2016 – 2019); Now at Alexandria University, Alexandria, Egypt -> Researchgate 


Claudia BOMMARITO | PostDoc Position | PhD | GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel | Division of Benthic Ecology | Research profile

Claudia Bommarito: Kiel University / GEOMAR on the “Environmental drivers of host-parasite interaction in the Baltic and Adriatic Sea under a global change perspective“ (Co-supervision: PhD fellowship Venice University (PhD, 2016 – 2019)) -> Researchgate 



Bachelor and Master students

Amalia Skrifvars: Åbo Akademi University “Phytoplankton community composition in the Baltic Sea during contrasting winter conditions” (co-supervisor, main supervisors Giannina Hattich & Conny Sjöqvist Researcher, University of Turku; Master 2022-2023)

Riitta M. Chorfi: University of Akureyri / University Centre of the Westfjords “Examination of multiple stressor susception of Zostera marina L. and impact on sediment erosion rates in the Turku Archipelago” (main supervisor, Master 2022-2023)

Sarah Rühmkorff: Kiel University “Ocean change impacts on Archipelago Sea benthic communities” (main supervisor, Master 2022)



Maren A. Staniek: Utrecht University “Condition and Physiology of C. edule and L. balthica under the Pressure of Marine Heatwaves in the German Wadden Sea – A Mesocosm Experiment” (co-supervisor, main supervisors Lukas Meysick and Jack Middelburg; Master 2022)


Anthony Linman: Åbo Akademi University “Effects of salinity, temperature, and food availability on the ecology of the crustacean copepod Eurytemora affinis (co-supervisor, main supervisor Jonna Engström-Öst Researcher Novia Finland; Master 2021)


Niklas Niemi: Åbo Akademi University Phenotyping Eelgrass and its herbivore isopod from the Swedish west-coast” (main supervisor, Master 2021)



Lucinda Kraufvelin: Åbo Akademi University “Prolonged non-tidal desiccation events as potential drivers of shallow-water benthic communities” (main supervisor, Master 2020)
Now a PhD candidate in my group


Laura Hennigs: Oldenburg University “Physiological responses of Cerastoderma glaucum to short term temperature fluctuations” (supervision together with Jahangir Vajedsamiei, Master, 2020); Now at University of Greifswald, Germany -> Researchgate


Tatjana Liese: Kiel University “Evaluation of new aquaculture methodologies for the Baltic Sea cockle Cerastoderma edule, in an environmental change context” (co-supervisor, Master, 2019)


Katja Seebass: Osnabrück University on the “The role of hypoxic upwelling in mitigating the negative impacts of marine heatwaves in an important marine predator” (main supervisor in collaboration with Fabian Wolf, Bachelor 2019)
Now studying her MSc at GEOMAR Kiel


Sarah Rühmkorff: Kiel University “The impact of heatwaves and upwelling events on the predator Asterias rubens within the Baltic Sea” (main supervisor, Bachelor, 2018)
Now doing her MSc thesis in my group


Sonia Morón: Kiel University “Effects of extreme events on the performance of shallow and deep-water populations of the common sea star Asterias rubens” (main supervisor, Master, 2018); Now at Université du Québec à Chicoutimi -> Researchgate 



Previous group members

Moritz Baumeister: Oldenburg University “The impact of fluctuating temperature regimes on the common starfish Asterias rubens“ (main supervisor, Bachelor, 2017)

Fabian Wolf: Kiel University “The neglected role of environmental fluctuations in climate change research – a small-scale community approach“ (main supervisor, Master, 2017)

Now doing a PhD thesis in my group but placed at GEOMAR Kiel

Laura Hennigs: Oldenburg University “Do fluctuating pH regimes determine growth rates of the barnacle Balanus improvisus, and are these altered within the diffusive boundary layer of the bladder wrack Fucus vesiculosus?“ (main supervisor, Bachelor, 2017)

Mildred Johnson: Kiel University “Determination of the buffering capacity of diffusive boundary layers in an acidifying ocean“ (co-supervisor, Master, 2017)

Laura Schütt: Kiel University “Do fluctuating temperatures affect Clupea harengus eggs and larvae differently than a constant temperature of the same mean?“ (main supervisor, Master, 2016-17)

Patrick Blaß: Kiel University “Einfluss von Temperaturschwankung auf Herzraten, Filtration und Wachstum der Miesmuschel (Mytilus edulis, Linné 1758)“ (main supervisor, Master, 2016)

Shula Cowley: Portsmouth University, UK “Antifouling properties of a Low Emission Antifouling paint – laboratory and field studies“ (main supervisor – internship, co-supervisor – Bachelor, 2014)

Anothai Ekelund: Gothenburg University, Sweden: “CO2 induced stoichiometric mismatch between barnacle larvae and their diatom food“ (co-supervisor, Bachelor, 2014)

Kristian Meijerbom: Gothenburg University: “CO2 induced shifts in Zostera marina infection by its parasite Labyrinthula zosterae“ (co-supervisor, Bachelor, 2014)

Iris Schaub: Rostock University: “Der wechselseitige Einfluss von Ozeanversauerung und Nahrungsbedingungen auf die Seepocke Amphibalanus improvisus“ (main supervisor, Diploma, 2012)

Ana L S Lopes: Kiel University: “Does future ocean acidification affect respiration rates and development of Amphibalanus improvisus larvae?“ (main supervisor, Bachelor, 2011)

Sebastian Opitz: Kiel University: “Vergleichende Untersuchungen über den Einfluss von erhöhtem Seewasser pCO2 auf den gemeinen Seestern Asterias rubens L.“ (co-supervisor, Staatsexamen, 2011)



Leonie Zimmermann & Leonie Däschle; Trier University, Germany (Mar 2023)

Ayoub Laghmich, Ankara University, Turkey (July 2022)

Miguel Senghor Machado Karekezi ERSAMUS Internship

Sean Kearney, Kiel University (Jul-Sep 2019)

Erja Frei, Oldenburg University (Jun-Jul 2019)

Laura Hennigs, Oldenburg University (Sep-Nov 2016)

Sarah Breimann, Aberdeen University (Feb-Sep 2016)

Lena Soumpasus, Kiel University (Jun 2016)

Moritz Ehrlich, Jennifer Schulze, Kiel University (summer 2015)

Jenny Tamm, Potsdam University (Jul-Aug 2015)

Ulrike Jäger, Berlin University (Mar-May 2015)

Mara Heinrichs, Oldenburg University (ERASMUS, May-Jul 2014)

Giannina SI Hattich, Kiel University (ERASMUS, Jul-Sep 2013)

School internships: Levin Mats Wieschermann, Bochum (3 wks); Sönke Beween, Bad Nenndorf (4 wks); Viviane Mejta, Yspertal, Austria (8 wks)



The 2021/22 Group


The 2020/21 Group


The 2019 Group


The 2018 Group