International
Efforts
1.
International Union for Conservation of Nature (IUCN) – Red List of
Threatened Species: IUCN publishes the list of
species of plants and animals which hare threatened for their survival and are
facing extinction from time to time. It contains following categories:
(a)
Extinct species
(b)
Extinct in Wild species
(c)
Critically Endangered species
(d)
Endangered species
(e)
Vulnerable species
(f)
Near Threatened species
(g)
Least concern species
Few
important Categories:
(1)
Endangered species- those in
immediate danger of extermination i.e. extinction.
(2)
Critically endangered species-
will not survive without direct human intervention and protection.
(3)
Threatened species- so called
because of decline in numbers.
(4)
Rare species- not presently in
danger but are subject to risk.
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