Guest researcher at the Department of Environmental Studies
University of California, Santa Cruz
Phd Thesis at the University of Bayreuth:
"Variability of physical, chemical and hydraulic parameters
in soils of Mt. Kilimanjaro across different land uses"
Studies of Geoecology at the University of Bayreuth
"Carbon and nitrogen stocks of soils under different exotic
tree species and natural forest in Ethiopia:
Influence of soil properties and site factors"