Department of Land Resource Management,
Ranchi, Jharkhand, India
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Forest ecosystems have an imperative role to balance the biogeochemical cycles, maintains the ecological equilibrium, and life-supporting systems. However, the forest ecosystem has been drastically exaggerated during last few decades by dramatic increment in urbanization, industrialization, huge mining activities, forest fire, and various anthropogenic interferences. Thereby, it is very crucial to monitor the forest ecosystem for sustainable development and decision making. The traditional methods of forest monitoring i.e. surveying, sampling, report analysis, etc. are too costly, time-taking, cumbersome, required huge manpower, etc. In this regard, availability of remote sensing data since 1972 has provided a new angle of forest monitoring and management. The remote sensing methods are very cost-effective, time-saving, required less man power, etc., over traditional methods. In addition, development in spectral, spatial, temporal resolution of various satellite sensors data have also aided the new dimension of forest monitoring. So, qualitative and quantitative assessment of forest ecosystem is very needful for updating the forest inventory database at various scale.