Suspended sediment concentrations (A, D), BOD (B, E), and dissolved oxygen concentrations (C, F) as a function of time before, during, and after weed cutting with the boat (deep) method (A, B, C) and scythe (D, E, F) in Dybvad and Sonderup stream, respectively. The grey area signifies the time for active weed cutting. Open and closed symbols represent measurements conducted up- and downstream of the stream reach subjected to weed cutting, respectively.