what are the disadvantage of dams
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Damming of rivers and regulating their flow result in excessive sedimentation at the bottom of the reservoir. This may hamper aquatic life and their migration to other water bodies. Building of dams result in the submergence of land and vegetation. This results in the decomposition of vegetation.
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Disadvantages:
1}Dams also fragment rivers making it difficult for aquatic fauna to migrate for spawning, i.e , to produce eggs.
2}It results in displacement of local communities.
3}The multipurpose projects induced earthquake, causes waterborne diseases.
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