Today there are more than 45,000 large dams around the world, which play an important role in communities and economies that harness these water resources for their economic development.
Effects of dams on forest:
1.Thousands of hectares of forest will be cleared.
2. Killing of wild animals and destruction of aquatic life.
3. Spreading of water borne diseases.
4. Water logging increases the salinity of the soil.
Ex: Narmadha Sagar project it has submerged 3.5 lakhs hectares of forest.
Effects of dam on tribal people
1. Construction of big dams lead to the displacement of tribal people.
2. Displacement and cultural change affects the tribal people both mentally and physically.
3. They do not accommodate the modern food habits and life style.
4. Tribal people are ill treated by the modern society.
5. Many of the displaced people were not recognised and resettled or comp
