Why does contruction of dams effect reduction of fish
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Sedimentation problems on regulated rivers are considerably different from natural rivers. Problems include sedimentation in reservoirs, channel effects downstream of dams, and in-stream flow requirements for maintenance of channels and fisheries. ... Moreover, in-stream mining can cause multiple effects on fish habitat.
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The construction of a dam on a river can block or delay upstream fish migration and thus contribute to the decline and even the extinction of species that depend on longitudinal movements along the stream during certain phases of their life cycle.
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The construction of a dam on a river can block or delay upstream fish migration and thus contribute to the decline and even the extinction of species that depend on longitudinal movements along the stream during certain phases of their life cycle.
Hope This Helps You..!
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