Fig. 3
From: Behaviour of anadromous brown trout (Salmo trutta) in a hydropower regulated freshwater system
Number of sea trout moving between habitats or remained within one habitat throughout the study (July 20 to Nov. 14, 2021). Movement between downstream river and lake before (blue) and after (orange) elevation of the flap weir (Sep. 15), movement between the lake and the upstream river (red), and black points indicate how many sea trout that were only detected within the given habitat