0.0
20.0
40.0
60.0
80.0
100.0
120.0
Area (sq. km) (in Thousands)
NDVI
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
Area (sq. km) (in Thousands)
Elevation (m)
(a)
(b)
Fig. 2 a NDVI distribution and b Elevation zones of Northeast India
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P. Saikia et al.