1. Research Area 3 “Agricultural Landscape Systems”, Leibniz-Centre for Agricultural Landscape Research (ZALF) e.V. , Eberswalder Str. 84 , 15374 Müncheberg, Germany
2. Faculty of Landscape Management and Nature Conservation, University for Sustainable Development (HNEE) , Schickler Straße 5 , 16225 Eberswalde, Germany