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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