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Disadvantages of the Narmada Dam (Local people, economy, environment).

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Final answer:

The Narmada Dam has caused the displacement of local populations, led to environmental changes such as wildlife habitat loss, and presented economic issues like silt build-up and potential earthquake risks due to its location on a fault.

Step-by-step explanation:

Disadvantages of the Narmada Dam

The construction of the Narmada Dam has led to several disadvantages impacting local people, the economy, and the environment.

One significant issue is the displacement of communities; as reservoirs are formed, they can flood large areas, forcing inhabitants to relocate. This often disrupts livelihoods and can lead to a loss of cultural heritage and community cohesion.

Environmentally, dams like the Narmada project contribute to the loss of natural wildlife habitat and changes in the river's ecosystem. Downstream effects can include altered water temperatures, chemistry, and flow characteristics, which can have far-reaching impacts on local flora and fauna.

Furthermore, large-scale hydroelectric projects can impede fish migration and change the nature of the river itself from a flowing water body to a static reservoir.

In terms of economic drawbacks, the silt build-up behind dams can eventually render the hydroelectric power generation facilities useless, and maintenance of these structures can be costly.

Corruption and fraud in the handling of compensation for displaced individuals can also signify resource mismanagement.

Additionally, the potential risk of the dam triggering earthquakes due to its location in a fault zone poses a serious concern.

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