Dr. rer. nat. Wagner, Hans-Georg: Investigations into the occurrence and ecology of lichens and lichenicolous fungi in a forest pasture area in southern Lower Saxony, December 16, 2011, LS General Ecology

Dr. rer. pol. Kunze, Conrad: Sociography of rural energy projects. A comparative exploratory study of rural participatory initiatives for the development of regional energy infrastructures using renewable energies, based on the example of seven municipalities in a new federal state, December 13, 2011, LS Social Science Environmental Issues

Dr.-Ing. Wagner, Stephan: Transfer of a multi-stage chemical-biological process for sulfate separation and metal elimination to groundwater affected by mining, August 29, 2011, LS Waste Management

Dr. rer. nat. Bouchnak, Rihab: Control of energy allocation in cladocerans through feed algae of varying quality and under stress conditions, July 19, 2011, Department of Water Protection

Dr. rer. nat. Kurtz, Stefan: Investigations of Mn(II) removal processes in the treatment of wastewater from a coal mine in Vang Danh (Vietnam) and development of a process for the demanganization of mine water, July 6, 2011, Department of Environmental Geology

Dr.-Ing. Ilian, Jens: Biofiltration and electrochemical treatment for the production of service water from small sewage treatment plant effluents, March 18, 2011, LS Water Technology and Municipal Water Engineering

Dr.-Ing. El-Qomboz, Yasser D. Abu: Development of integrative solutions for waste management in temporary refugee camps using the example of the Beach Camp refugee camp in Gaza (Palestine), January 21, 2011, Waste Management

Dr.-Ing. Koller, Christian: Geophysical borehole measuring probe for multi-method and azimuth-dependent detection of flows in the annular space of groundwater measuring points, January 21, 2011, Department of Environmental Geology