(i) A hotspot is a geographic region that is both a significant reservoir of biodiversity and is threatened with destruction. It is an area of high endemism and high level of species richness.
(ii) Ramsar Sites : It is a wetland site designated of international importance under the Ramsar Convention, an inter-governmental environmental treaty established in 1971 by UNESCO and came into Force in 1975.
(iii) The Red Data book maintained by IUCN is created for the recordings of endangered and rare species of plants, animals, fungi as well as some local sub-species that exist within the territory of the state or country.
