Question

Identify any three ecological problems caused by building large dams

Answer 1

Consequences of building large dams.

In a need for ecological restoration and the engineering solutions to implement large-scale projects.

Many scientists believed that the dams are reducing the complete ecological benefits that can be derived from the free flowing rivers.

Also they believed that dams tend to create many environmental impact like wild life habitual destruction, changes in wildlife migration pattern, interferes the natural flow of water.

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Answer 2

The three ecological problems caused by building large dams could be soil erosion, extinction of species, loss of forests and wildlife, etc.

Explanation:

• Although the dam construction has served the humans a great deal, it has some vital consequences on our environment.
• Some of these ecological problems caused by building large dams are:
• Erosion of the top fertile layer of soil and coastal deltas is one of the chief consequences of dam construction.
• The dams hold the sediments back which recharges the downstream ecosystems naturally. As a result, many aquatic species are getting extinct.
• Dam construction requires a large space for setting up the plant and due to which the forests are being cleared constantly. This loss of forests and wildlife is badly affecting the ecological balance in the environment and causing a rise in temperatures, flooding, disturbing food chains, etc.

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