The station Selhausen Juelich, with ICOS code DE-RuS, is a crop site located in the catchment of the river Rur, between the cities of Duren and Juelich. The climate is maritime temperate and the field has a size of 9.7 ha, a slope of about 0.3°, and is surrounded by fields with the same type of crop rotation, occasionally including additional crops such as rapeseed, potatoes, maize oat and white mustard.