Nepal Water Conservation Foundation ...

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Human intervention in river system for water development changes its dynamics. The changes are unavoidable and have impacts, as the normal flow situations get altered. When confined to a microcosm, these changes do not create major disturbances to the natural system often, however, water development projects, especially with reservoirs cause environmental and social damages.

 Siltation and riverbed erosion are two of the major environmental problems created by reservoirs storage of water can lower its quality and in a micro scale reservoirs induce climatic changes. Damming of rivers can disturb aquatic life cycle by changing of the river the environment. Storage projects, when submerge land, forces inhabitants to move away from their homes. People thus displaced are subjected to social and economical hardships.

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