In the counties of Norrbotten and Västerbotten, a project called Remibar is under way, which aims to remove migration barriers for fish and other aquatic animals. Measures will be implemented in five main water catchments, three of which are situated in the county of Norrbotten (river Råneälven, river Varjisån and river Ängesån), and two of which are in located in the county of Västerbotten (river Lögdeälven and river Sävarån).