Question

What are ecological problem are caused by dam

Answer 1

Answer:

one of the first problems with dams is the erosion of land. Dams hold back the sediment load normally found in a river flow, depriving the downstream of this. In order to make up for the sediments , the downstream water erodes its channels and banks. This lowering of the riverbed thteatens vegetation and wildlife.

Answer 2

Ans : The dams can be constructed only in a limited

number of places, preferably in hilly terrains.

Large areas of agricultural land and human

habitation are to be sacrificed as they get

submerged. Large ecosystems are destroyed

when submerged under the water in dams.