Xam idea - Science

Book: Xam idea - Science

Chapter: 16. Management of Natural Resources

Subject: Biology - Class 10th

Q. No. 10 of Proficiency Exercise

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“Narmada Bachao Aandolan” raised issues of how constructions of big dams create environmental problems. Discuss two such issues.

“Narmada Bachao Aandolan” raised many social, environmental and economic issues that opposed the construction of dams:

As dams require large ground base, a huge number of local communities are displaced from their original place of settlement without proper compensation.

Construction of dams increase soil salinity and promote soil erosion.

It causes deforestation on a large scale as a lot of forest cover is cut down. Deforestation also stimulates earthquakes.

Rich biodiversity is lost and wildlife affected.

Dam construction needs a lot of capital investment. Consequently a lot of public money is wasted without any benefits.

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