Forests are major repositories of biodiversity
and provide essential goods and services for humanity. Biodiversity loss is a
major threat to forest ecosystem and emerging as a great challenge to humanity.
Estimation of biodiversity or biological
richness of a region is a difficult task that is an impossible goal without technological inputs. The Northeast India, part of Indo-Burma
biodiversity hotspot, is one of the still relatively undisturbed regions of the
world harbouring almost 50% of the flowering plant of the Indian subcontinent.
This region is economically less developed and
forests are under tremendous pressure from the anthropogenic influences mainly
due to the local traditional shifting (jhum) cultivation practices.
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