Fig. 1From: Freshwater ecosystems profit from activated carbon-based wastewater treatment across various levels of biological organisation in a short timeframeLocation of the WWTP Langwiese, the field sampling sites, and the bypass stations. The map is based on OpenStreetMap. Map data, ©OpenStreetMap contributors, http://opendatacommons.org/licenses/dbcl/1.0/.eBack to article page