In ex-situ approach to conservation of biodiversity, threatened animals and plants are taken out from their natural habitat and placed in a special setting, like zoo, wildlife sanctuaries, botanical gardens, etc., where they can be protected and given special care.
Advantages of ex-situ approach to conservation of biology –
i. The plants and animals are under supervision all the time due to which in case of any health issue, help can be provided immediately.
ii. The protection, they get in ex-situ approach, prevents them from exploitation.
iii. Gametes of the threatened species can be preserved in viable and fertile condition for long periods using cryopreservation techniques.
iv. Seeds of different genetic strains of commercially important plants can be kept for long periods in seed banks.
v. Makes the study of threatened and endangered species easier.
vi. Modern techniques like in vitro fertilization, tissue culture methods, etc. make the better success rate of reproduction.
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