Tobias Fabian

Tobias Fabian

  • Karlsruher Institut für Technologie (KIT)
    Institut für Geographie und Geoökologie
    Adenauerring 20b
    76131 Karlsruhe
    Germany

Publikationen

Beiträge in referierten Zeitschriften

Tobias Fabian

Soil and water analyses, Element cycling, Soil biogeochemistry

Topics

  • Analyses of water samples, soil samples and soil extracts by TOC, ICP-OES, ICP-MS, Continuous Flow Analyzer, EA-IRMS
  • Sodium retention in the phyllosphere of a tropical montane forest in the Andes of southern Ecuador
  • Sodium demand of soil fauna and of microorganisms in tropical forest ecosystems in Ecuador
  • Nitrogen minaralization along an altitudinal gradient in a tropical Andean ecosystem in Ecuador

Curriculum Vitae

Since 2020 Technical research assistant in the Laboratory of Soil Biogeochemistry of the Geomorphology and Soil Science Group at the Institute of Geography and Geoecology of the Karlsruhe Institute of Technology.
2015-2020 Research assistant in the Laboratory of Soil Biogeochemistry of the Geomorphology and Soil Science Group at the Institute of Geography and Geoecology of the Karlsruhe Institute of Technology.
2017-2023 Study of Geoecology (M.Sc.) at the Institute of Geography and Geoecology of the Karlsruhe Institute of Technology. Title of the Master thesis: „Vertical δ13C signature in soil as proxy for N mineralisation under tropical forest and pastures along an elevation gradient in South Ecuador“.
2012-2017 Study of Geoecology (B.Sc.) at the Institute of Geography and Geoecology of the Karlsruhe Institute of Technology. Title of the Bachelor thesis: „Sodium uptake in the canopy of a tropical montane rainforest in southern Ecuador“.

Projects

Since 2018 Nutrient supply as driver of biomass production and associated ecosystem water fluxes along a land-use and climate gradient (DFG, WI 1601/26-1). The project is part of the DFG Research Unit 2730 - Environmental changes in biodiversity hotspot ecosystems of South Ecuador: response and feedback effects (RESPECT). www.tropicalmountainforest.org
2015-2017 Nutrient cycles and their response to climate change in a tropical montane rain forest in the Andes of South Ecuador. Project of the Research Platform DFG PAK 823-825: Platform for Biodiversity, Ecosystem Monitoring and Research in South Ecuador. www.tropicalmountainforest.org

Presentations

Oral presentations

Fabian, T., Velescu, A., Espinosa, C.I., Wilcke, W. (2023): Vertical distribution of δ13C values in soils to predict N mineralization rates along an elevational gradient in South Ecuador. Annual Conference of the Society for Tropical Ecology, 19.-23. June 2023, České Budějovice.

Fabian, T., Velescu, A., Espinosa, C.I., Wilcke, W. (2022): Vertical distribution of δ13C values in soils to predict N mineralization rates under forest and pasture along an elevational gradient in South Ecuador. Conference of the German Society of Soil Science, 5.-8. September 2022, Trier.

Fabian, T., Velescu, A., Nellessen, T., Wilcke, W. (2019): Sodium limitation of soil fauna affects decomposition processes in a tropical montane forest in South Ecuador. Conference of the German Society of Soil Science and of the Swiss Soil Science Society, 25.-28. August 2019, Bern.

Fabian, T., Velescu, A., Wilcke, W. (2018): Sodium retention in the canopy of a tropical montane forest in South Ecuador. Annual Conference of the Society for Tropical Ecology, 26.-30. March 2018, Paris.

Poster

Velescu, A., Fabian, T., Espinosa, C.I., Wilcke, W. (2024): The changing nitrogen cycle in a tropical montane forest in South Ecuador. Status Symposium der DFG Research Unit 2730, 21.-22. March 2024, Loja, Ecuador.

Fabian, T., Velescu, A., Espinosa, C.I., Wilcke, W. (2024): Nutrient uptake of three tree species in a tropical dry forest in Ecuador assessed via the xylem sap. Status Symposium der DFG Research Unit 2730, 21.-22. March 2024, Loja, Ecuador.

Velescu, A., Fabian, T., Espinosa, C.I., Wilcke, W. (2023): Stable N isotope ratios in the litterfall and organic layer of a tropical montane forest in South Ecuador. Conference of the German Society of Soil Science, 4.-8. September 2023, Halle.

Fabian, T., Velescu, A., Espinosa, C.I., Wilcke, W. (2023): Vertical distribution of δ13C values in soils to predict N mineralization in differently humid forests in Ecuador. Conference of the German Society of Soil Science, 4.-8. September 2023, Halle.

Fabian, T., Velescu, A., Nellessen, T., Wilcke, W. (2019): Sodium limitation of soil fauna affects decomposition processes in a tropical montane forest in South Ecuador. Status symposium of the DFG Research Unit 2730, 7.-8. October 2019, Loja, Ecuador.

Fabian, T., Velescu, A., Camenzind, T., Wilcke, W., Rillig, M.C. (2017): Sodium in a tropical montane forest in South Ecuador: demand of phyllosphere microorganisms and effects on decomposition. Conference of the German Society of Soil Science, 3.-6. September 2017, Göttingen.

Velescu, A., Fabian, T., Wilcke, W. (2016): Nutrient availability drives dissolved organic matter cycling in a tropical montane forest of Ecuador. Annual Conference of the Society for Tropical Ecology, 23.-26. April 2016, Göttingen.

Fabian, T., Velescu, A., Camenzind, T., Wilcke, W., Rillig, M.C. (2016): Sodium shortage increases Na retention in the phyllosphere and affects decomposition processes in a tropical montane forest in South Ecuador. Annual Conference of the Society for Tropical Ecology, 23.-26. April 2016, Göttingen.

Publications