Dams are great sources of hydroelectric power. They can also provide the advantage of

flood control
enhancing natural spawning patterns of fish
alterations in the flow and temperature of the river
land erosion
@AlexandervonHumboldt2

Question

Dams are great sources of hydroelectric power. They can also provide the advantage of

 flood control
 enhancing natural spawning patterns of fish
 alterations in the flow and temperature of the river
 land erosion
@AlexandervonHumboldt2

alexandervonhumboldt2 · Answer

A dam is a barrier that impounds water or underground streams. The reservoirs created by dams not only suppress floods but provide water for various needs to include irrigation, human consumption, industrial use, aquaculture and navigability.