Annkathrin Hömberg
Department of Ecohydrology and Biogeochemistry
Institute of Landscape Ecology
Heisenbergstr. 2, D-48149 Münster
e-mail annkathrin.hoemberg [at] wwu.de
contact University of Bayreuth - Enviromental Geochemistry [de]
Curriculum vitae
- since 10/2017: Research assistant and PhD student, Ecohydrology and Biogeochemistry Research Group, Prof. Dr. Klaus-Holger Knorr, University of Münster and Enviromental Geochemistry , Dr. Jörg Schaller, University of Bayreuth
- 04/2015 - 09/2017: Master of Science Geoecology - Enviromental Sciences, University of Bayreuth
Master thesis: "Effects of drying and rewetting on soluble phosphorus and nitrogen in forest floors: An experiment with undisturbed columns" (supervised by Prof. Dr. Egbert Matzner)
- 04/2015 - 07/2017: Student assistant in the Groups of Plant Ecology and Soil Ecology, University of Bayreuth
- 10/2010 - 10/2014: Bachelor of Science Landscape Ecology, Biology and Geography, University of Münster
Bachelor thesis: "Geochemical characterisation of peatlands in the Changbai Mountains - Major and trace element contents and peat decomposition indices" (supervised by Dr. Klaus-Holger Knorr)
Research interests
- role of silicon on biogeochemical processes in peatlands
- biogeochemical interactions between plants and soil
- effects of drying and rewetting on nutrient cycles in forest floors and soils
Research project
Research Articles (Journals)
- Wang, H.Y., Yu, Z.G., Zhou, F.W., Hernandez, J.C., Grandjean, A., Biester, H., Xiao, K.Q., and Knorr, K.H. . “Microbial communities and functions are structured by vertical geochemical zones in a northern peatland.” Science of the Total Environment 950. doi: 10.1016/j.scitotenv.2024.175273.
- Hömberg, A, Knorr, K-H, and Schaller, J. . “Methane Production Rate during Anoxic Litter Decomposition Depends on Si Mass Fractions, Nutrient Stoichiometry, and Carbon Quality.” Plants 10: 618.. doi: 10.3390/plants10040618.
- Hömberg, A, Broder, T, Knorr, K-H, and Schaller, J. . “Divergent effect of silicon on greenhouse gas production from reduced and oxidized peat organic matter.” Geoderma 386: 114916.. doi: 10.1016/j.geoderma.2020.114916.
- Hömberg, A, Broder, T, Schaller, J, and Knorr, K-H. . “Methane fluxes but not respiratory carbon dioxide fluxes altered under Si amendment during drying – rewetting cycles in fen peat mesocosms.” Geoderma 404: 115338–.. doi: 10.1016/j.geoderma.2021.115338.
- Hömberg, AObst M, Knorr, K-HKalbitz K, and Schaller, J. . “Increased silicon concentration in fen peat leads to a release of iron and phosphate and changes in the composition of dissolved organic matter.” Geoderma 374: 114422.. doi: 10.1016/j.geoderma.2020.114422.
- Hömberg, A, and Matzner, E. . “Effects of drying and rewetting on soluble phosphorus and nitrogen in forest floors: An experiment with undisturbed columns.” Journal of Plant Nutrition and Soil Science 181: 177–184. doi: 10.1002/jpln.201700380.