The biodiversity of Braunschweig's flowing waters is the subject of Diana Goertzen's research. The analysis of long-term data showed that the biodiversity of aquatic insects and other aquatic invertebrates in the flowing waters has increased significantly. A major reason for this is the increasingly ecologically oriented watercourse management in the city of Braunschweig. The Neue Braunschweiger reported on this on 08.10.2022:
https://anzeigenblaetter.bzv.de/titles/neuebraunschweiger/11798/publications/709/pages/6 (German only)
A long version of the article can be found on the website of the SE|BS: https://www.stadtentwaesserung-braunschweig.de/2022/09/21/biodiversitaet-an-braunschweigs-gewaessern-nimmt-zu/. (German only)
Science for Environment Policy