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Cauvery River Biodiversity & Hydrological Status
December 13 , 2023
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- The paper, titled “Cauvery River: Land Use Dynamics Biodiversity & Hydrological Status” was published by scientists and researchers at the Indian Institute of Science (IISc), Bengaluru.
- Natural vegetation on nearly 12,850 sq. km of land in the Cauvery basin was lost in the 50 years between 1965 to 2016.
- Karnataka has lost much more than any other State in the basin.
- It accounts for three-fourths of the lost cover, while Tamil Nadu’s share is around one-fifth.
- Natural vegetation cover went down by around 46% all these years.
- The quantum of reduction of dense vegetation was 35% (6,123 sq. km) and that of degraded vegetation, 63% (6,727 sq. km).
- The extent of area under irrigation rose from 6,556 sq. km in 1928 to 20,233 sq. km now.
- In Karnataka, it was from 1,193 sq. km to 8,497 sq. km. Consequently, the water demand of the two States increased.
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