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Department Head: 

Prof. Dr. Alexandra-Maria Klein
phone:+49 (0)761 203-67770



Mrs. Ilona Winkler
phone:+49 (0)761 203-3635
fax:+49 (0)761 203-3638


Chair of Nature Conservation
& Landscape Ecology
University of Freiburg
Tennenbacher Str. 4
D-79106 Freiburg




MSc. Katharina Wittmann

 20230117-P1174208-2.jpg Katharina Wittmann
see also: AG Didaktik der Biologie (Uni Mainz) -  I²-CAMPUS  



Different habitats as well as the structural elements and resources they contain are my main area of ​​interest. I am particularly interested how insects use our cultural landscape as a habitat and how they interact with each other on the ecological level. Therefore, in my doctorate, I occupy myself with how different habitat qualities affect the gender ratio as well as the biomass of solitary bees and wasps. My aim is to disentangle the complex relations of fundamental interactions between habitat and insects and hope to shed more light on those processes in order to understand these fascinating creatures better.

Current project: Sex determination and biomass allocation in response to habitat quality”.




since 2020 PhD at the Chair of Nature Conservation and Landscape Ecology, Faculty of Environment and Natural Resources, University of Freiburg
2019 - 2020 Master of Science, Faculty of Environment and Natural Resources, University of Freiburg, Germany, thesis entiteld: "Habitat preferences of nocturnal butterflies in the Southern Black Forest"
2014 - 2017 Bachelor of Science, Faculty of Biology, Ludwig-Maximilian University Munich, Germany; thesis entitled: „Identification and verification of Y chromosome sequences in the Californian sea lion (Zalophus californianus)“
  Internships at Helmholtz Centre for Environmental Research (UFZ), Foundation for the Preservation of Wildlife and Cultural Assets (FPWC, Armenia) and Black Forest National Park



  • Wittmann, K., Gamal Ibrahim, M., Straw, A.D., Klein, A.M. & Staab, M. (2024): Monitoring fast-moving animals - building a customized camera system and evaluation toolset. Methods in Ecology and Evolution 00, 1-7. Link
  • Wittmann, K., Klein, A.M. & Staab, M. (2023): The influence of habitat properties on sex determination in cavity-nesting Hymenoptera. Basic and Applied Ecology 70: 1-11. Link
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