Im Rahmen eines DFG Projekts zum Thema „PFAS Bioaccumulation in Riverine Ecosystems and Fish“ ist an der Hochschule Bremen folgende Doktorandenstelle ausgeschrieben:

PhD student (f/m/d) “PFAS Bioaccumulation in Riverine Ecosystems and Fish”

Code: FK5-2-2024, Pay group / Entgeltgruppe 13 TV-L

The position is available from the 1. August 2024 and will be filled with 65% of the full working hours per week (25.48 hours) and is limited to 36 months. The position is suitable for part-time.

At Hochschule Bremen – City University of Applied Sciences, we are a dynamic and innovative institution dedicated to providing high-quality education and fostering academic excellence. Located in the vibrant city of Bremen, Germany, our university of applied sciences offers a diverse range of programs and research opportunities across various fields. With a strong emphasis on practical learning and applied and fundamental research, we strive to prepare our students and young researchers for successful careers in their chosen fields. We are proud to be a member of UAS7, a prestigious alliance of seven leading German universities of applied sciences.

Project Description

Freshwater ecosystems are among the most affected by anthropogenic pollutants worldwide. The primary goal of this DFG-funded project is to elucidate the fate of both classical and emerging organofluorine pollutants in Europe’s aquatic ecosystems and to identify the key factors influencing their accumulation in fish. Employing advanced analytical techniques, the project aims to quantify several tens of anthropogenic chemicals throughout the aquatic food web in various lotic and lentic environments. A physiological assessment, combined with chemical analyses of pollutants in a range of biota (from plankton to top predators), and the determination of trophic positions using stable isotope analysis, will shed light on biomagnification processes within the food chain and provide crucial data for assessing risks to human health. The project is conducted in close collaboration with the Institute of Microbiology of the Czech Academy of Sciences in Prague and the Institute of Hydrobiology in České Budějovice, Czech Republic.

Further information about the research group led by Prof. Dr. Thomas Klefoth can be obtained by:


  • Designing and conducting field sampling campaigns for fish, macrozoobenthos, algae, and water in major European rivers, specifically the Weser and Elbe rivers
  • Fish aging
  • Data analyses
  • Publication of results in scientific journals and presentation at conferences
  • Co-supervision of B.Sc, M.Sc. theses and student assistants
  • Support in project administration


  • Successfully completed (or be close to completion) M.Sc. in either fisheries, (aquatic) biology or a related discipline
  • Experience in field work for sampling fish and other taxa
  • Experiences in electrofishing, gill-net fishing or fish aging is advantageous
  • Experiences in driving a boat or possession of a boating license is advantageous
  • Good knowledge of standard research software (office, statistical software, R)
  • Good language skills in German and English
  • Willingness to travel within Germany and Europe
  • Willingness to work in an interdisciplinary team


  • An interesting position in an international, interdisciplinary research team at one of the leading universities of applied sciences in Germany
  • Flexible working hours at a family-friendly university
  • Wide range of opportunities for personal and professional development
  • Company pension scheme (VBL)
  • City center campus with good public transport connections
  • A subsidized job ticket for public transport
  • Access to the student union canteen
  • Subsidized company fitness in all EGYM Wellpass-studios

…and 10 more reasons to choose us.

In the case of university degrees that you completed outside the EU, please submit the assessment of the Central O ce for Foreign Education (ZAB). Alternatively, please send a PDF excerpt from the database for the [the recognition and evaluation of foreign educational certificates (ANABIN)German Link].
For vocational qualifications completed outside Germany, please send the german translation and recognition in Germany. Information on this can be found at the Federal Institute for Vocational Education and Training (BIBB).

Bremen University of Applied Sciences promotes the employment of women at all levels. Women are therefore particularly encouraged to apply.

Candidates with an officially recognized disability with essentially the same professional and personal qualifications will be given priority. Applications from persons with a migration background are welcomed.

Further information about the University of Applied Sciences Bremen can be found at If you have any questions regarding the job advertisement, please contact Prof. Dr. Thomas Klefoth at thomas.klefoth(at)

We look forward to receiving your application (including a one-page letter explaining your qualification and motivation to pursue a PhD in fish- and riverine ecotoxicology, a CV including the names and contact details of two academic references and a transcript of records) on or before 04.06.2024 inclusive via


University of Applied Sciences Bremen
Neustadtswall 30
28199 Bremen/Germany