to obtain the concentrations of most phytoplankton pigments. The data are often further processed to obtain the chlorophyll-a concentration of various phytoplankton groups (e.g., Taylor et al. 2011, Soppa [...] system (LWCC, WPI) following Lefering et al. (2016). QFT-ICAM: We determine the particulate and phytoplankton absorption coefficients with the portable quantitative filter technique (QFT) integrating cavity

island Helgoland for eleven days. The aim of the project is to deepen their knowledge of coastal phytoplankton research.

Naberhaus (Photo: Alfred-Wegener-Institut) Title of Masters thesis: Characterisation of the Arctic Phytoplankton community at the Chlorophyll maximum at the Hausgarten observatory in spring 2023 using microscopy

seawater and feedbacks with phytoplankton physiology and elemental cycles We make use of the increase in process-based understanding of iron biogeochemistry and phytoplankton physiology to improve the [...] biologically-mediated processes that convey carbon to the deep ocean. Biomass concentrations of the phytoplankton functional groups in the biogeochemistry model REcoM (mean over the upper 150m of the watercolumn; [...] description of the iron cycle in biogeochemical models, its role for phytoplankton physiological adaptations, and the ensuing consequences for elemental fluxes e.g., of silicon and iron. Iron is present

Philippi Dr. Kim Vane PhD Canditates Antonia Thielecke, M.Sc. Dissertation Title: Response of Arctic phytoplankton to declining silicic acid Judith Matz, M.Sc. Dissertation Title: TBD M.Sc. Candidates Joshua Neitzel [...] nutrient conditions Anna Narberhaus, B.Sc. Master thesis title: Characterisation of the Arctic Phytoplankton community at the Chlorophyll maximum at the Hausgarten observatory in spring 2023 using microscopy [...] pigment analysis. B.Sc. Candidates Laura Laier Bachelor thesis title: Pelagic macroalgae and phytoplankton across the subtropical Atlantic HiWis Mohammed Sahid Publications 2024 Mar Fernández-Méndez (

2017 Wattenmeerstation Sylt Ansprechpartner: Mirco Scharfe, Johannes Rick Find out more Global Phytoplankton trends 4.-8. Dezember 2017 in Bremerhaven (Hörsaal, Gebäude D Ansprechpartner: Alexandra Kraberg

relationship between drivers and the respective responses in growth and elemental composition of a phytoplankton species is the necessary first step to estimate the impact on organisms, ecosystems and the cycling [...] does not provide any information about the underlying processes. Moreover, the sensitivity of a phytoplankton species towards drivers may differ depending on the investigated ‘subcellular level’. To explain [...] metabolic pathways that explain different sensitivities of species and groups. Levels of diversity in phytoplankton (Graphic: Phytochange) Species Shifts – Studies that focus on single species and strains alone

Dr Jenna Balaguer with her dissertation on the role of micronutrients for phytoplankton growth in the Antarctic and Dr Jonas Preine with his dissertation on the development of the marine volcanic field

measurements of phytoplankton populations to facilitate their continuous monitoring and create reliable time-series data sets. Alison Chase Using Automated Imagery to Investigate Phytoplankton Size Structure [...] living particles and phytoplankton community composition. In addition, we show a comparison between imagery-based results and High Performance Liquid Chromatography (HPLC)-based phytoplankton size structure [...] uncertainties in the pigment-based analysis of phytoplankton community. Building the expertise for collection, management, and application of automated phytoplankton imagery data will allow application of this

Candidate SiDeEFFECT - Ny-Ålesund 2024 (Photo: Esther Horvath) Dissertation Title: Response of Arctic phytoplankton to declining silicic acid Masters thesis Title: Where will harp seals go when the climate changes