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Dr. Janna Wambsganß

Research associate


Tennenbacherstr. 4
79085 Freiburg im Breisgau     


Room 04076
Tel. 0761/203-8623
Fax 0761/203-3781







  • MSc. Course Ecosystem Management
  • MSc. Course Root Ecology
  • BSc. Course Silviculture (Excursions)

Research interests

  • Biodiversity-Ecosystem functioning (BEF) relationships with a special focus on below-ground ecosystem functions and processes
  • Fine-root traits
  • Decomposition dynamics of below- and above-ground litter

Publications (peer-reviewed)

  • Wambsganss, J., Freschet, G.T., Beyer, F., Bauhus, J., Scherer-Lorenzen, M. (2021): Tree Diversity, Initial Litter Quality, and Site Conditions Drive Early-Stage Fine-Root Decomposition in European Forests. Ecosystems, accepted. DOI: 10.1007/s10021-021-00728-3. 
  • Gillespie, L., Hättenschwiler, S., Milcu, A., Wambsganss, J., Ammar, S., Fromin, N. (2021): Tree species mixing affects soil microbial functioning indirectly via root and litter traits and soil parameters in European forests. Functional Ecology, 35, 2190-2206. DOI: 10.1111/1365-2435.13877 
  • Wambsganss, J., Freschet, G.T., Beyer, F., Scherer-Lorenzen, M., Bauhus, J. (2021): Tree species mixing causes a shift in fine-root soil exploitation strategies across European forest types. Functional Ecology, DOI:
  • Wambsganss, J., Beyer, F., Freschet, G.T., Scherer-Lorenzen, M., Bauhus, J. (2021): Tree species mixing reduces biomass but increases length of absorptive fine roots in European forests. Journal of Ecology, accepted, DOI:
  • Ganault, P., Nahmani, J., Hättenschwiler, S., Gillespie, L., David, J.-F., Henneron, L., Iorio, E., Mazzia, C., Muys, B., Pasquet, A., Prada-Salcedo, L.D., Wambsganss, J., Daceans, T. (2021): Relative importance of tree species richness, tree functional type, and microenvironment for soil macrofauna communities in European forests. OecologiaDOI:
  • Prada-Salcedo, Luis D., Goldmann, K., Heintz-Buschart, A., Reitz, T., Wambsganss, J., Bauhus, J., Buscot, F. (2021): Fungal guilds and soil functionality respond to tree community traits rather than to tree diversity in European forests. Molecular Ecology 30, 2, 572-591. DOI:
  • Prada-Salcedo, Luis D., Wambsganss, J., Bauhus, J., Buscot, F., Goldmann, K. (2021): Low root functional dispersion enhances functionality of plant growth by influencing bacteria activities in European forest soils. Environmental Microbiology, DOI:
  • Stutz, K.P., Kaiser, K. Wambsganss, J., Santos, F., Berhe, A.A., Lang, F. (2019): Lignin from white-rotted European beech deadwood and soil functions. Biogeochemistry. DOI:
  • Wambsganss, J., Stutz, K.P., Lang, F. (2017): European beech deadwood can increase soil organic carbon sequestration in forest topsoils. Forest Ecology and Management 405, 200-209.DOI: 10.1016/j.foreco.2017.08.053
  • Stutz, K.P., Dann, D., Wambsganss, J., Scherer-Lorenzen, M., Lang, F. (2017): Phenolic matter from deadwood can impact forest soil properties. Geoderma 288, 204-212.
    DOI: 10.1016/j.geoderma.2016.11.014


Conference contributions

  • Wambsganß, J., Freschet, G.T., Beyer, F., Bauhus, J., Scherer-Lorenzen, M. (2021): Auswirkungen von Baumartenvielfalt, Feinwurzeleigenschaften und (Mikro)-klima auf die Zersetzung von absorbierenden Feinwurzeln in europäischen Wäldern. Forstwissenschaftliche Tagung, FowiTa 2021, 13.09.2021, Freising (Deutschland).
  • Wambsganss, J., Beyer, F., Freschet, G., Scherer-Lorenzen, M., Bauhus, J. (2019): Fine-root soil exploration and exploitation in mixed and monospecific forest stands across Europe (oral presentation). IUFRO 2019, Curitiba, Brazil. 04.10.2019.
  • Wambsganss, J., Beyer, F., Freschet, G., Scherer-Lorenzen, M., Bauhus, J. (2019): Why fine-root decomposition rates of 13 tree species differ between mixed- and monospecific forest stands: a search for mechanisms across European forests (poster presentation). IUFRO 2019, Curitiba, Brazil. 05.10.2019.
  • Wambsganss, J., Freschet, G., Scherer-Lorenzen, M., Bauhus, J. (2018): Einfluss der Baumartendiversität auf funktionelle Eigenschaften von Feinwurzln und ihre Bodenerschließung. Forstwissenschaftliche Tagung FowiTa 2018. Göttingen (Deutschland), 25.09.2018
  • Wambsganss, J., Freschet, G., Scherer-Lorenzen, M., Bauhus, J. (2018): Fine root response to changing tree species diversity in mature forest stands across Europe (rapid fire presentation). North American Forest Soils Conference. Quebec City (Canada), 04.06.2018
  • Stutz, K., Wambsganß, J., Lang, F. (2016): Deadwood as biogeochemical 'hot-spots' in soil and forest ecosystems (Poster). AGU Fall Meeting. San Francisco (USA), 12.12.2016
  • Stutz, K., Wambsganß, J., Kaiser, K., Lang, F. (2016): Where and how European beech deadwood affects soil (Vortrag). ASA-CSSA-SSSA Annual Meeting, 9.11.2016, Phoenix (USA)
  • Stutz, K., Wambsganß, J., Fink, S., Lang, F. (2016): Soil Ecological challenges for forestry in the Bioeconomy (Poster). Status-Seminar des Forschungsprogrammes "Bioökonomie Baden-Württemberg", 13.10.2016, Hohenheim (Deutschland)
  • Stutz, K., Wambsganß, J., Lang, F. (2016): Soil ecological challenges for forestry in the Bioeconomy (Vortrag). Forstwissenschaftliche Tagung FowiTa 2016, 28.09.2016, Freiburg (Deutschland)
  • Wambsganß, J., Stutz, K., Lang, F. (2016): Einfluss von Totholz auf die Stabilität der organischen Bodensubstanz (Vortrag). Forstwissenschaftliche Tagung FowiTa 2016, 27.09.2016, Freiburg (Deutschland)
  • Stutz, K., Wambsganß, J., Dann, D., Fink, S., Lang, F. (2015): Lignocellulose in Soil: Does it Make a Difference? (Poster). Statusseminar des Bioökonomieforschungsprogramm Baden-Württemberg. Hohenheim (Deutschland), 29.10.2015
  • Stutz, K., Wambsganß, J., Dann, D., Kaiser, K., Lang, F. (2015): Lignin in soil aggregation and physical functions (Poster). 5th International Symposion on Soil Organic Matter. Göttingen (Deutschland), 23.09.2015
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