TY - GEN A1 - Seiffert, Thomas A1 - Nenov, Rossen A1 - Maurer, Thomas A1 - Gerwin, Werner A1 - Veste, Maik A1 - Raab, Thomas ED - Holzheu, Stefan ED - Thies, B. T1 - Microdrone-based photogrammetry for water catchment monitoring T2 - Dimensions of ecology - from global change to molecular ecology, (GfÖ) 39th annual conference, University of Bayreuth, 14th - 18th September 2009 Y1 - 2009 SP - S. 129 PB - Bayreuther Zentrum für Ökologie und Umweltforschung (BayCEER) Selbstverlag CY - Bayreuth ER -