PhD Bravo Sepulveda, Violeta: Bioremediation of petrohydrocarbons contaminated groundwater, 28.11.2006, LS Altlasten

PhD Alemagi, Dieudonne: Towards a Comprehensive Strategy for the Effective and Efficient Management of Industrial Pollution Along the Atlantic Coast of Cameroon, 13.11.2006, LS Neuwertwirtschaft

PhD Ewusi, Anthony: Groundwater Exploration and Management using Geophysica: Northern region of Ghana, 10.11.2006, LS Umweltgeologie

PhD Angwafo, Tsi Evaristus: Status of Wildlife and its Utilisation in Faro and Benoué National Parks North Cameroon: Case study of the Derby Eland (Taurotragus derbianus gigas Gray, 1947) and the African Wild Dog (Lycaon pictus Temminck, 1840), 07.08.2006, LS Allgemeine Ökologie

PhD Fei-Baffoe, Bernhard: Double stage dry-wet fermentation of unsorted municipal solid waste, 27.07.2006, LS Abfallwirtschaft

PhD Wongdeethai, Angkarn: The Development of Modern Management Tools and Their Specific Requirements for the Assessment of Recyclability of Products, 29.05.2006

PhD Fonche, Florentin Mongeng: The impact of alien plant invasions on biodiversity in South Africa. The case of alien Acacia species in the Gauteng and Chromolaena odorata in the Kwazulu National Provinces, 11.01.2006, LS Allgemeine Ökologie