The concept biodiversity is used a long time ago, the first person was the conservationist Raymond F. Dasmann in the 1968; but the term was widely adopted by the science and environmental world in 1980s, when Lovejoy (tropical and conservation biologist) and other contemporaries scientist in America advocated the use of the term “Biological Diversity”.

Biodiversity includes the variety and variability of ecosystems, animals, plants and micro-organisms, at genetic, species and ecosystems levels, which are necessary to sustain human life as well as the key functions of ecosystems.

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