Sahyadri Conservation Series: 24 ENVIS Technical Report: 54,  April 2013
http://www.iisc.ernet.in/
Kumaradhara River Basin, Karnataka Western Ghats: Need for Conservation and Sustainable Use
http://wgbis.ces.iisc.ernet.in/energy/
1Energy and Wetlands Research Group, Centre for Ecological Sciences, Indian Institute of Science, Bangalore – 560012, India.
2Member, Western Ghats Task Force, Government of Karnataka, 3Member, Karnataka Biodiversity Board, Government of Karnataka
4Member, Tree Authority  Mangalore (Rural),  Government of Karnataka
*Corresponding author: cestvr@ces.iisc.ernet.in
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Water spread area was assessed by digitizing the contour of 83 m. Contours of 80 and 100 m were digitized using the Survey of India topographic maps of Scale 1:50000. Interpolation of these provided 83 m contour and overlay of Figure 5 with the region corresponding to 83 m contour provided the extent of submergence, which is about 1882.96 hectares. Table 3 lists various land uses in the submergence area. Forest constitute the major portion (46.66%) followed by areca plantation (27.75%), rubber plantation (6.53%) and agriculture (1.87%).


Figure7: Kukke MHS Submergence area 83 m RL

Table 3: Land uses in the likely submergence area (at FRL 83 m)

Land Use Area in Ha Percentage
Water 276.25 14.67
Forest 878.59 46.66
Rubber 122.99 6.53
Areca 522.44 27.75
Open 33.41 1.77
Agriculture 35.18 1.87
Built up 14.10 0.75
Area under Submergence 1882.96

 

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