Linked from
The 29 pages that link to Dam, each with the reason it gives.
Flood controlRelated: Reservoir operations can store incoming floodwater and release it later.
ReservoirRelated: Dams create many reservoirs and control how water enters and leaves them.
HydropowerRelated: Dams create head and regulate flow at many hydropower stations.
Freshwater fishRelated: Dams change flow, fragment habitat, and obstruct fish movement.
River basinRelated: Dams alter the timing and movement of water and sediment through a basin.
GharialRelated: Dams change river flows and divide habitat used by gharials.
River dolphinRelated: Dams alter habitat and can isolate populations within river systems.