Question

disadvantages of multy purpose river valley project

Answer 1

a. Natural flow of river is affected causing poor flow of sediments also
b. Excessive sedimentation of the reservoir
c. Stream beds become rockier
d. Dam fragments a river thus making it difficult for aquatic fauna to migrate, and for spawning
e. Reservoirs submerge the existing vegetation and soil leading to its decomposition over time.
f. Deforestation and displacement of local people.

Answer 2

Answer:

Advantage of Multipurpose Project -

(1) It controls floods.

(2) It provides irrigation facilities and navigation.

(3) It generates electricity.

(4) It promotes inland irrigation, fishing and afforestation.

(5) Human consumption.

(6) It provides power generation.

Disadvantage of Multipurpose Project -

(1) It induces earthquakes.

(2) Population gets displaced.

(3) Aquatic life gets affected.

(4) Flow of underground water is also checked.

(5) River water gets diverted.

(6) Extensive forests submerged under water.

Hope it helps you.