Populations Genomics and Ecology

Stange Lab at LIB Museum Koenig Bonn

In my working group we deal with population genomics (whole genome analyses), ecology, and morphology of freshwater fishes, currently with a focus on Eurasian minnows (Phoxinus spp.). To this end, we carry out standardised monitoring using point abundance electro fishing, record ecological parameters, collect fish and examine them morphologically (geometric morphometrics, linear measuements) and trophically (stomach content analyses, stable isotopes). The results of trophic and morphological investigations are combined with whole genome analyses in order to be able to make statements about species/population boundaries, ecological preferences of individual species and the genomic basis of those as well as the influence of hybridisation on species statuses through stocking measures.

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Research Tools

We integrate genomics, barcoding, morphology, and ecology

  • Bioinformatics
  • Molecular techniques
  • Identify genetic units
  • Abundance monitoring
  • Meristics and taxonomic characters

Research Projects

PhoxHY

In the project funded by the Leibniz Association (2021-2026), we research the effect of hybridisation of native and non-native minnows (Phoxinus spp.) in the Sieg River in North-Rhine Westphalia on genomic, morphological, and trophic level.

Pandemic Preparedness

In work package 1 (2025) of the Leibniz Lab Pandemic Preparedness we build the foundations for a global map of pathogen diversity based on genomic data from museum collections and targeted sampling of potential pathogen reservoirs.

Rhine eDNA

Pilot project (2023-) on the detection protential of invertebrate and vertebarte eDNA from Rhine water samples stretching almost the entire German length in collaboration with the German Ocean Foundation.

Join Us

Whether you have your own research idea as a Master, PhD student, or as a Postodc, or you are searching for a Master thesis, or want to gain insights into resaerch as a volunteer, feel free to reach out to me. I currently offer the following projects for Master theses:

  • Age determination in minnows from scales
  • Ecological Adaptation of minnows (Phoxinus) through the lateral line organ
  • Histological evaluation of gonadal differentiation in minnows (Phoxinus)