(1) Agree:
(i) Regulating and damming of rivers affect their natural flow causing poor sediment flow and excessive sedimentation at the bottom of the reservoir.
(ii) It results in rockier stream beds and poorer habitats for the rivers’ aquatic life.
(iii) Dams also fragment rivers making it difficult for aquatic fauna to migrate.
(iv) The reservoirs created on the flood plains submerge the existing vegetation and soil leading to its decomposition.
(2) Disagree:
(i) Dams are built for irrigation as well as for generating electricity.
(ii) Darns supply water for domestic and industrial use.
(iii) Initially, it was expected that large dams would control flood as well as conserve water.
